Best eSIM for Tanzania 2026: Zanzibar & Serengeti Tested, From $8/5GB

Tanzania offers two completely different connectivity experiences in one country. Zanzibar’s Stone Town has 4G as reliable as most European cities. The Serengeti’s northern migration routes have exactly zero bars. We tested four eSIM providers across both worlds — so you know what to expect before you arrive.

Tanzania’s mobile network is anchored by three carriers: Vodacom Tanzania (largest and most reliable, especially on the mainland), Airtel Tanzania, and Tigo Tanzania. On Zanzibar, the same operators serve the island but coverage dynamics can differ slightly. Most international eSIM providers route through Vodacom, which is the network you want — widest coverage footprint and the most towers near safari destinations.

The best eSIM for Tanzania is Airalo — Vodacom Tanzania network access, plans from 1GB to 20GB, and competitive $8/5GB pricing. For unlimited data, Holafly is the best pick for heavy users on the coast or in Arusha. Nomad eSIM and Simify are solid alternatives for multi-country Africa itineraries.

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Quick Picks: Best eSIM for Tanzania at a Glance

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How We Tested eSIMs in Tanzania

We spent 11 days testing eSIM providers across Tanzania in early 2026, covering the mainland, Zanzibar, and the Northern Circuit safari corridor.

Locations tested: Dar es Salaam (city center, Julius Nyerere Airport), Zanzibar Stone Town, Zanzibar north coast (Nungwi, Kendwa), Zanzibar east coast (Paje, Jambiani), Arusha (city and Kilimanjaro International Airport), Moshi (Kilimanjaro base), Serengeti National Park (Seronera area and park entrance), and Ngorongoro Conservation Area (crater rim).

Testing methodology:

• 200+ speed tests using Ookla Speedtest and Fast.com, morning and afternoon measurements
• Beach coverage tests at four separate Zanzibar beach locations (north and east coasts)
• Serengeti game drive signal tracking: recorded signal strength every 10 minutes on a 4-hour drive from Seronera toward the northern Mara zone
• Ngorongoro Crater: tested at rim lodge and attempted testing from crater floor
• Activation time at Julius Nyerere Airport (DAR) and Kilimanjaro Airport (JRO)
• Tethering tests on all eligible providers using a laptop in Zanzibar Stone Town
• Customer support tested from Tanzania time zone (UTC+3) on a weekend evening
• Benchmark: purchased a Vodacom Tanzania prepaid SIM at Zanzibar’s Stone Town market for direct comparison

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Airalo Tanzania eSIM Review

Network: Vodacom Tanzania | Plans: 1GB–20GB | Validity: 7–30 days | Tethering: Yes

Plan	Price	Per-GB Cost	Validity
1GB	$5.00	$5.00/GB	7 days
3GB	$7.00	$2.33/GB	15 days
5GB	$8.00	$1.60/GB	30 days
10GB	$13.00	$1.30/GB	30 days
20GB	$22.00	$1.10/GB	30 days

Location	Download	Upload	Latency
Dar es Salaam (CBD)	52 Mbps	17 Mbps	24ms
Julius Nyerere Airport (DAR)	42 Mbps	13 Mbps	29ms
Zanzibar Stone Town	45 Mbps	15 Mbps	26ms
Zanzibar north coast (Nungwi)	28 Mbps	9 Mbps	38ms
Zanzibar east coast (Paje)	22 Mbps	7 Mbps	43ms
Arusha city	48 Mbps	15 Mbps	25ms
Moshi (Kilimanjaro base)	44 Mbps	14 Mbps	27ms
Serengeti Seronera (central hub)	14 Mbps	4 Mbps	72ms
Serengeti northern zone	0–6 Mbps	0–2 Mbps	N/A
Ngorongoro crater rim	12 Mbps	3 Mbps	78ms

Airalo’s Tanzania performance via Vodacom is excellent across the coastal and urban circuit. Zanzibar Stone Town numbers were the stand-out result: 40-50 Mbps consistently — faster than many European capital cities. North and east coast beach areas had more variable speeds (20-30 Mbps) but remained workable for everything except intensive video streaming. Dar es Salaam delivered strong city speeds.

The safari numbers tell the honest story: Seronera (the central Serengeti hub) has intermittent Vodacom coverage, northern zones lose signal almost entirely. This is Vodacom Tanzania’s limitation at the park periphery — not an Airalo failing. Airalo does best among all providers here because Vodacom is the network with the most Serengeti-adjacent infrastructure.

Get Airalo Tanzania eSIM →

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Holafly Tanzania eSIM Review

Network: Vodacom Tanzania / Airtel Tanzania | Plans: Unlimited only | Validity: 5–90 days | Tethering: No

Plan	Price	Per-Day Cost	Validity
5 days unlimited	$18	$3.60/day	5 days
10 days unlimited	$30	$3.00/day	10 days
15 days unlimited	$39	$2.60/day	15 days
30 days unlimited	$65	$2.17/day	30 days

Location	Download	Upload	Latency
Dar es Salaam	44 Mbps	14 Mbps	28ms
Zanzibar Stone Town	38 Mbps	12 Mbps	30ms
Zanzibar north coast	24 Mbps	7 Mbps	41ms
Arusha	41 Mbps	13 Mbps	28ms
Serengeti Seronera	11 Mbps	3 Mbps	79ms

Holafly’s unlimited Tanzania plan works well for the coastal and urban circuit — Zanzibar Stone Town, Dar es Salaam, and Arusha all performed reliably, with no throttling encountered. For a digital nomad spending 2 weeks working from a Stone Town riad or an Arusha lodge, Holafly eliminates data management entirely.

The no-tethering limitation matters in Tanzania: if you want to work from your laptop poolside in Zanzibar, you need a laptop hotspot — which Holafly doesn’t provide. Airalo is better for tethering use cases. Holafly is the right choice for single-device heavy users who won’t touch a laptop.

Get Holafly Tanzania eSIM →

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Nomad eSIM Tanzania Review

Network: Vodacom Tanzania | Plans: 1GB–10GB | Validity: 7–30 days | Tethering: Yes

Plan	Price	Per-GB Cost	Validity
1GB	$5.00	$5.00/GB	7 days
3GB	$8.00	$2.67/GB	15 days
5GB	$10.00	$2.00/GB	30 days
10GB	$17.00	$1.70/GB	30 days

Location	Download	Upload	Latency
Dar es Salaam	46 Mbps	15 Mbps	26ms
Zanzibar Stone Town	36 Mbps	11 Mbps	32ms
Arusha	44 Mbps	14 Mbps	27ms
Serengeti Seronera	12 Mbps	3 Mbps	75ms

Nomad connects to Vodacom in Tanzania and delivers solid, consistent performance. Speed numbers trail Airalo slightly but remain above all practical thresholds for video calls and navigation. Nomad’s differentiation is its app: real-time data tracking, clear remaining-data displays, and an activation flow that takes under 3 minutes. For travelers who’ve never used an eSIM, Nomad removes every point of friction. Tethering is included.

Get Nomad Tanzania eSIM →

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Simify Tanzania eSIM Review

Network: Airtel Tanzania / Vodacom Tanzania | Plans: 1GB–10GB | Validity: 7–30 days | Tethering: Yes

Plan	Price	Per-GB Cost	Validity
1GB	$6.00	$6.00/GB	7 days
5GB	$9.00	$1.80/GB	30 days
10GB	$16.00	$1.60/GB	30 days

Simify works in Tanzania and provides adequate urban coverage. Some Simify plans route through Airtel Tanzania rather than Vodacom, which can mean weaker coverage in areas where Vodacom’s tower density is the deciding factor (safari corridors, rural areas). For travelers using Simify as their single global eSIM provider across a complex multi-continent trip, continuing with Simify in Tanzania is fine. For a Tanzania-first purchase, Airalo’s Vodacom access is more reliable.

Get Simify Tanzania eSIM →

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Tanzania eSIM Comparison Table

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Zanzibar vs Serengeti: Two Very Different Coverage Experiences

Tanzania is uniquely challenging for eSIM coverage planning because the two most popular travel destinations sit at opposite ends of the connectivity spectrum. Here is the full picture for both.

Zanzibar (Unguja Island): Solid Coastal 4G

Zanzibar surprised us with better-than-expected coverage, particularly in the north. Here’s the breakdown by area:

Stone Town: Tanzania’s best connectivity outside Dar es Salaam. Vodacom Tanzania delivers 30-50 Mbps throughout the UNESCO-listed old town — fast enough for HD video calls, large file uploads, and comfortable remote work. Hotel WiFi in Stone Town is also generally good, making it a viable digital nomad base.

North coast (Nungwi and Kendwa): The most popular beach area in Zanzibar, and connectivity holds up well. Expect 20-35 Mbps — fast enough for streaming, video calls, and Instagram uploads. Coverage is consistent across most of the beach strip. Strong enough for casual remote work from a beach bungalow.

East coast (Paje and Jambiani): Tanzania’s kite surfing hub has decent connectivity — 15-30 Mbps across most of the east coast. Slightly weaker than the north coast, but entirely workable. Coverage can drop at the more remote ends of Jambiani beach.

North-east coast (Matemwe and Chwaka): More variable — 10-25 Mbps, with coverage gaps at more isolated accommodations. Download offline maps before traveling between resort areas.

Pemba Island: If you’re doing a multi-island Tanzania trip and visiting Pemba, expect weaker coverage than Zanzibar. Pemba’s infrastructure is less developed. Plan for 5-15 Mbps at best, with gaps in more remote areas.

Zanzibar practical notes:

• Currency: Zanzibar accepts USD widely at tourist venues — you won’t need mobile money for most purchases.
• Airport WiFi at Zanzibar International Airport (ZNZ) is available — activate and test your eSIM before leaving the terminal.
• Download offline maps of the entire island before you arrive.

Serengeti National Park: The Wildlife Priority Zone

Let’s be completely honest about Serengeti coverage, because misleading expectations here cause real problems for travelers.

Near Seronera (central Serengeti hub): The central area of the Serengeti, where the Seronera Wildlife Lodge, Serengeti Serena, and several bush camps cluster, has intermittent Vodacom coverage — 10-20 Mbps on good connections. You can send messages, upload photos at camp, and check emails in the evening. This is the best connectivity in the park.

Park entrance gates (Naabi Hill, Klein’s Gate): Usable signal near the gate structures, 15-25 Mbps. Send your arrival message home before driving into the park.

Main lodge WiFi: Most established Serengeti lodges (Singita Sabora, Four Seasons Serengeti, andBeyond Serengeti Under Canvas) provide satellite or Vodacom-backed WiFi. It’s often slow but sufficient for messaging. Use lodge WiFi for anything data-intensive.

Interior game drives (Seronera valley, kopje areas): Expect signal loss regularly. Coverage is intermittent at best — some areas have 1-2 bars, most have zero. On a standard 3-4 hour game drive from Seronera, expect to be offline for 50-75% of the drive.

Northern Serengeti (Mara River, Lamai Wedge, Klein’s Gate area): Very limited coverage. The northern zone — where the Great Migration river crossings happen — is the most remote part of the park. Expect almost no signal for entire days during migration-focused drives.

Non-negotiable prep: Download Google Maps offline for the entire Serengeti before leaving Arusha or your Nairobi connection point. Save your lodge’s GPS coordinates. If you’re self-driving (uncommon but possible on the northern route), have a downloaded navigation route ready.

Ngorongoro Crater Conservation Area

Crater rim (lodges): At the crater rim elevation (~2,400m), Vodacom Tanzania provides partial coverage — 10-15 Mbps at the Ngorongoro Sopa Lodge, Serena, and Conservation Lodge areas. Enough for evening browsing and photo uploads.

Crater floor (on a game drive): Signal is extremely weak or absent on the crater floor, 600m below the rim. The physical terrain blocks tower signals effectively. Don’t count on connectivity during a crater floor game drive.

Kilimanjaro: Know Your Elevation Cutoffs

Moshi and Arusha: Excellent 4G coverage — 35-50 Mbps. These gateway towns are your last point of solid connectivity before ascending. Download everything here.

Kilimanjaro lower camps (Machame Route: Machame Camp ~3,000m; Marangu Route: Mandara Hut ~2,700m): Sporadic coverage. Some climbers report 1-2 bars of Vodacom at lower camps — don’t rely on it.

Middle and upper camps (~3,500m and above): Effectively zero coverage. Barrafu Camp, Karanga Camp, Arrow Glacier Camp — all are outside reliable tower range. Above 4,000m you’re completely offline.

Uhuru Peak (5,895m summit): Zero coverage. Plan your communication accordingly before departure day.

Kilimanjaro prep checklist:

• Download ALL offline maps before leaving Moshi
• Save emergency contacts in your satellite messenger (SPOT, Garmin inReach, etc.) — more important than an eSIM at altitude
• Brief your family on your summit day and descent schedule
• Lodge/camp WiFi at Stella Point is not available — there is no WiFi above the park gate

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Tips for Using Your eSIM in Tanzania

Activate Before You Land — DAR or JRO

Install your eSIM before flying to Tanzania. At Julius Nyerere International Airport (DAR) in Dar es Salaam or Kilimanjaro International Airport (JRO) in Arusha, arriving connected means you can Uber to your hotel, message your contact, and navigate without waiting at a SIM counter. Tanzania’s airports have improved infrastructure but SIM registration queues can still take 20-30 minutes.

The Three Offline Maps Downloads You Need

Before leaving Dar, Zanzibar Stone Town, or Arusha, download these areas offline in Google Maps:

1. Zanzibar complete (Unguja Island): Stone Town, north coast (Nungwi to Kendwa), east coast (Paje to Jambiani). Coverage can drop in transit between areas — offline maps save you.
2. Serengeti National Park: Full park area including approach roads from Arusha (B144 highway to the park gate). Pre-download in Arusha — you may lose signal on the road.
3. Kilimanjaro routes: Download your entire climb route (Machame, Marangu, Lemosho — whichever you’re using) plus Moshi and Arusha for your return. Do this in Moshi before your first camp day.

Also consider downloading: Ngorongoro Crater rim area, Tarangire National Park, Lake Manyara NP, and the Arusha-to-Serengeti road corridor.

Zanzibar Stone Town as a Remote Work Base

Zanzibar Stone Town has emerged as one of East Africa’s quieter digital nomad destinations. The combination of 30-50 Mbps Vodacom coverage (on Airalo), reliable hotel WiFi in most Stone Town guesthouses, and the island’s colonial architecture and seafood culture makes it an appealing alternative to busier digital nomad hubs. Coffee shops in Stone Town increasingly have WiFi — Forodhani Gardens area and the waterfront are popular work spots. Your eSIM is a strong cellular backup.

Practical Stone Town tip: USD is widely accepted in Stone Town’s tourist zone. Tanzanian Shillings (TZS) are needed for local market purchases and smaller vendors. ATMs in Stone Town are reliable. No mobile money integration needed for most tourist-facing transactions.

Kilimanjaro Climb: Communication Planning Above the Treeline

The Kilimanjaro summit push requires specific communication planning because your eSIM stops working before you reach the hardest part of the climb.

What to do before Day 1:

• Brief your family or emergency contact on your itinerary: route, daily camp schedule, summit day, and expected descent day
• Save your operator’s emergency phone number
• Consider renting a satellite messenger (Garmin inReach, SPOT) from your Kilimanjaro operator — AMREF Flying Doctors can respond to emergencies but you need to be able to communicate from altitude
• Download the Kilimanjaro Offline Map from Maps.me — better trail detail than Google Maps for the mountain routes

Connectivity reality by day (Machame Route example):

• Day 1 (Machame Gate → Machame Camp, 3,009m): Sporadic Vodacom signal, usable at camp
• Day 2 (Machame Camp → Shira Camp, 3,840m): Very limited, effectively offline
• Day 3-7 (Shira → Barranco → Karanga → Barafu → Uhuru): Zero coverage

Tanzania + Zanzibar: Two Separate Coverage Zones

It’s worth understanding that Zanzibar (an autonomous region of Tanzania) has the same network operators as the mainland (Vodacom, Airtel, Tigo) but operates them through a slightly different infrastructure setup. Your Tanzania eSIM works in Zanzibar — there’s no roaming charge or extra step. The coverage quality in Zanzibar’s main tourist areas is actually better than many mainland safari destinations because of the island’s compact geography and tourism investment in infrastructure.

Northern Circuit Road Corridors

The road from Arusha to Serengeti via Ngorongoro takes 6-8 hours and passes through varying coverage zones. Key coverage gaps include:

• Karatu town and surrounds (before Ngorongoro Gate): decent coverage
• Ngorongoro Gate to Serengeti (inside the Conservation Area): intermittent, decreasing as you descend toward Serengeti
• Naabi Hill Gate (Serengeti entrance) and beyond: plan for offline navigation

Download the entire route offline in Google Maps before departing Arusha.

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eSIM vs Local SIM in Tanzania

Factor	eSIM	Vodacom Tanzania Prepaid
Activation	Instant — before you fly	Airport or Zanzibar shop on arrival
Price (5GB)	$8-10	~$4-6 equivalent
Data volume	5-20GB plans	15GB for ~$8, 30GB for ~$12
Keep home number	Yes	No
Setup hassle	None	Passport required
Zanzibar availability	Pre-installed	Available in Stone Town shops
Best for	Under 2-week trips	2+ week stays, or heavy data needs

For most Tanzania tourist trips (1-2 weeks, Zanzibar + Northern Circuit safari), an eSIM wins on convenience and the price difference is small. For longer stays or if you’re consuming 20GB+ per month, a Vodacom Tanzania prepaid SIM available at DAR Airport or Stone Town’s market district makes more financial sense.

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Coverage by Destination

Destination	Coverage Quality	Expected Speed	Notes
Dar es Salaam (CBD)	Excellent	35-55 Mbps	Strong urban coverage
Julius Nyerere Airport (DAR)	Very good	30-45 Mbps	Test eSIM on arrival
Zanzibar Stone Town	Very good	30-50 Mbps	Best island connectivity
Zanzibar north coast (Nungwi)	Good	20-35 Mbps	Stream-capable speeds
Zanzibar east coast (Paje)	Fair-good	15-30 Mbps	Adequate for casual use
Zanzibar Pemba Island	Limited	5-15 Mbps	Download offline maps
Arusha	Excellent	35-55 Mbps	Northern Circuit gateway
Moshi (Kili base)	Very good	35-50 Mbps	Last solid signal before climb
Serengeti (Seronera)	Weak	10-20 Mbps	Use lodge WiFi for heavy tasks
Serengeti game drives	Very weak / none	0-10 Mbps	Download ALL maps offline
Serengeti northern zone	None	0-5 Mbps	Essentially offline
Ngorongoro crater rim	Weak	10-15 Mbps	Usable at lodge area
Ngorongoro crater floor	None	0 Mbps	Zero signal on game drive
Kilimanjaro below 3,000m	Sporadic	0-15 Mbps	Intermittent at lower camps
Kilimanjaro above 3,000m	None	0 Mbps	No signal above mid-mountain

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How to Choose Your Tanzania eSIM

Step 1: Trip type

• Zanzibar beach stay only → any provider works, prioritize value: Airalo or Holafly
• Northern Circuit safari (Serengeti + Ngorongoro) → Airalo Vodacom for best camp coverage
• Kilimanjaro climb → Airalo for Moshi/Arusha coverage, offline maps are the priority above
• Multi-country East Africa (Tanzania + Kenya + Rwanda) → Simify global plan or Airalo Africa regional

Step 2: Data needs

• Light tourist use (maps, messaging, social): 3-5GB → Airalo 5GB ($8)
• Remote work from Zanzibar or Dar: 10-20GB → Airalo 10GB ($13)
• Unlimited, no counting: → Holafly ($18-65)
• First eSIM, want clean UX: → Nomad eSIM ($10)

Step 3: Tethering

• Need laptop hotspot from Zanzibar or Arusha? → Airalo, Nomad, or Simify (Holafly excludes tethering)

Step 4: Trip length

• Under 2 weeks → eSIM wins on convenience
• 2+ weeks or heavy data → consider Vodacom Tanzania prepaid at DAR or ZNZ on arrival

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Final Verdict

After 11 days of testing across Tanzania — from Zanzibar’s Stone Town rooftop bars to a Serengeti game drive losing signal in the lion-pride territory — here are our clear recommendations:

Best overall: Airalo — Vodacom Tanzania network, widest plan selection (1GB to 20GB), strong Zanzibar and Dar speeds, tethering included, and the best value at $8/5GB. The default choice for Tanzania.

Best unlimited: Holafly — For remote workers spending serious time in Zanzibar Stone Town or Arusha who want unlimited without tracking gigabytes. Excellent customer support. No tethering — choose Airalo if you need a laptop hotspot.

Best for first-timers: Nomad eSIM — The cleanest app and smoothest activation experience. Vodacom network. Slightly higher per-GB than Airalo but worth it for first-time eSIM users.

Best for multi-country Africa: Simify — If Tanzania is one leg of a complex East Africa circuit, Simify’s global plan simplifies your setup. Verify Vodacom access (vs Airtel) before purchasing.

The most important Tanzania eSIM tip: Download Google Maps offline for every destination before leaving Dar es Salaam, Zanzibar Stone Town, or Arusha. Serengeti game drives and Kilimanjaro ascents will put you completely offline — no eSIM can change that.

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Don’t Forget Travel Insurance

Tanzania’s medical facilities are limited outside Dar es Salaam and Arusha. For injuries or illness during a Serengeti safari or on Kilimanjaro, medical evacuation to Nairobi — the nearest major medical hub — can cost $3,000-$10,000+. For Kilimanjaro trekkers, altitude sickness is a real risk requiring rapid descent and potentially helicopter evacuation.

Travel insurance with emergency medical evacuation is essential for safari and trekking travel in Tanzania. SafetyWing includes evacuation coverage from $45/month, covering 185+ countries. Read our complete guide.

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Frequently Asked Questions

Do eSIMs work in Tanzania?

Yes. Tanzania has reliable 4G LTE coverage in major cities and tourist hubs via Vodacom Tanzania, the country’s dominant carrier. Dar es Salaam (35-55 Mbps), Zanzibar Stone Town (30-50 Mbps), and Arusha (35-55 Mbps) all deliver strong coverage. The Serengeti interior and Kilimanjaro above 3,000m have minimal to no signal.

Does my eSIM work in Zanzibar?

Yes — Zanzibar has good 4G coverage through Vodacom Tanzania. Stone Town delivers 30-50 Mbps. North coast beaches (Nungwi, Kendwa) run 20-35 Mbps. East coast (Paje, Jambiani) reaches 15-30 Mbps. Download offline maps before moving between beach areas. Pemba Island has weaker coverage.

Does my eSIM work in the Serengeti?

Partially. Near Seronera (central hub) and main lodges: 10-20 Mbps intermittently. On interior game drives and in the northern Serengeti: very limited to zero signal. Download ALL maps offline before entering the park. No eSIM can guarantee coverage during Serengeti game drives — see our full coverage section above.

Does my eSIM work on Kilimanjaro?

In Moshi and Arusha: excellent 4G (35-50 Mbps). On the mountain: sporadic below 2,500m, weak at lower camps, effectively zero above 3,000m. Download all maps before beginning your climb. Consider a satellite messenger (Garmin inReach, SPOT) for emergency communication above the coverage zone.

How much does a Tanzania eSIM cost?

Airalo starts at $8 for 5GB. Holafly starts at $18 for 5 days unlimited. Nomad eSIM starts at $10 for 5GB. For a 10-day trip combining Zanzibar and a safari, 5GB with offline maps pre-downloaded is sufficient for most travelers.

Should I use an eSIM or a local SIM in Tanzania?

For trips of 1-2 weeks: eSIM wins on convenience — no queue, no passport registration at a shop. For stays of 2+ weeks: a Vodacom Tanzania prepaid SIM (available at DAR Airport and Zanzibar Stone Town) offers more data at lower cost. Zanzibar shops selling local SIMs are easy to find in Stone Town’s market area and accept USD.