United Republic of Tanzania eSIM

ZAIN/Celtel Tanzania 5G

Free hotspotFree hotspot on every plan No throttling on fixed-data plansfrom €3.39 7–30 days

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How much data, for how long?

01Compare data for your trip length

30 days

7 days

Validity does not start until your eSIM connects to a supported network at your destination. There is no deadline for first use. You can buy now and keep your plan for a future trip. Full refund on request, used or unused. We always refund the full amount you paid when you request it, whether your eSIM is unused, partly used or fully used. There is no time limit for requesting a refund.

One-time payment: Data-only: no phone number, voice calls or SMS. You pay once. There is no automatic renewal or extra charge when your data runs out.
Top-up eligibility: Top-ups are separate purchases. My eSIMs shows the options available for your eSIM. Availability can change; if no suitable top-up is offered, you may need to buy a new eSIM.

Going elsewhere too?

Add another country — each one is its own eSIM, all managed in one app.

Several countries, one eSIM

Each plan below includes United Republic of Tanzania. Compare their country lists to find the one that fits your route.

World

179 countries

United Republic of Tanzania

20 GB · 30 days

€63.09

1 eSIM

United Republic of Tanzania eSIM at a glance

Networks: ZAIN/Celtel Tanzania 5G
Plans: 5 plans, 1 GB to 20 GB, valid 7 to 30 days
Hotspot: Free hotspot on every plan
Speed: No throttling on fixed-data plans
Calls and texts: Data only. Call and text through apps such as WhatsApp, or keep your usual SIM on.
Validity: Does not start until the eSIM first connects to a supported network at your destination.
Refunds: Full refund on request, even after use

There is no deadline for first use. You can buy now and keep your plan for a future trip.

Tanzania eSIM for Arusha, Moshi and island stays

Compare Tanzania eSIM plans for Kilimanjaro airport, an Arusha or Moshi stay, and a separately managed ferry and island visit.

Kilimanjaro International Airport is a starting point, not the final town: ground transfers can lead to Arusha or Moshi. Confirm the town, lodging and organiser before arrival. Dar es Salaam adds separate steps for city or airport arrival, ferry terminal, sailing booking and island accommodation. The ferry operator lists Zanzibar, Pemba and Tanga, but the route does not prove mobile service at sea or island inclusion in the selected eSIM. Save each booking and next pickup independently.

How eSIM works in United Republic of Tanzania

Add the eSIM over reliable Wi-Fi and keep instructions outside the phone. Leave it off until Tanzania, then select Horizon for data and enable roaming. The first successful connection to a supported network in the included destination starts the selected validity. Keep home-line roaming off unless you accept its charges. Before an outdoor day or ferry, store the organiser contact, ticket, meeting point and island address offline; do not rely on mobile reception or onboard Wi-Fi.

Buy a plan
Pick a destination, data allowance and validity period.
Install your eSIM
Scan the QR or auto-install in the app — no physical SIM.
Land & connect
Data activates on first connection at your destination.

Size it to your trip

Pick the profile closest to your trip. The estimate assumes normal use — maps, messaging, photos, a short call home.

As a rule of thumb, a 3–4 day city break runs on about 1–3 GB, a one-week trip on 3–5 GB, a two-week multi-country tour on 8–12 GB, and working on the road takes about 1 GB a day, so 15 GB or more for two weeks.

Recommended size

3GB3–4 days

≈0.4 GB a day

Maps every day
Messaging and photos
A short call home most days

See plans this size

In total, a 20 GB data allowance covers roughly 6,700 shared photos, 333 hours of social media and browsing, 59 hours of video calls, 250 hours of music streaming, or about 4000 hours of maps and navigation. Messaging apps barely use data.

All United Republic of Tanzania eSIM plans

Important cities in United Republic of Tanzania

Arusha · City guide

Arusha

Ground transfers from Kilimanjaro International Airport can lead to Arusha. Keep the confirmed vehicle or organiser contact with the lodging address; the airport name alone does not identify the final meeting place.

Arusha eSIM — set up before you fly

Why Horizon

Choose a Tanzania eSIM for mainland and island stages

Choose a data amount and validity for every confirmed stage, including organiser messages, booking management, maps, internet calls, photos and hotspot use. Confirm mainland Tanzania in the exact plan, then check Zanzibar or Pemba separately if either is on the itinerary; geography alone is not product coverage. Tanzania is outside Horizon's current six-destination Africa package, so that regional label does not include this trip. Any other country also needs its own explicit listing.

Horizon eSIM Before you travel

Plan for

United Republic of Tanzania

Compare plan details

Check device compatibility

Install over Wi-Fi before departure

Flexible choice
Better plans, built for real trips
Compare the listed data allowances and validity periods for your destination.
Before departure
Easy to use
Install over reliable Wi-Fi before departure and follow the plan's activation instructions.
Clear comparison
Compare the full plan
Review the current price, data, validity and coverage before checkout. Horizon fixed-data plans have no throttling.
Reuse when eligible
Reuse an eligible eSIM
When the selected plan supports reuse or top-ups, My eSIMs shows the eligible options for the installed profile.
Usage control
Stay connected
We'll alert you as you approach your limit. If the plan supports a top-up, My eSIMs shows the eligible options.
Multi-country
Global & regional plans
Choose country, regional or global coverage and check every destination in the plan details.

Frequently asked questions

Should my airport transfer go to Arusha or Moshi?

Follow the confirmed lodging and organiser booking. Both towns can be reached by ground transfer from Kilimanjaro International Airport, but they are different final addresses and meeting arrangements.

What should I save for the Zanzibar ferry?

Keep the sailing booking, terminal instructions, operator contact and island accommodation address offline. Use data for booking changes and the next pickup, without relying on reception at sea or onboard Wi-Fi.

Does my Tanzania package include Zanzibar or Pemba?

Check the selected product's exact destination and territory list. Do not infer island eligibility from the Tanzania name, the ferry route or political geography; verify Zanzibar or Pemba for that product before buying.

Will the eSIM work at sea or throughout an outdoor trip?

That is not guaranteed. A listed territory does not promise reception on water or at every outdoor location. Keep the ticket, return plan, organiser contact, meeting point and essential instructions offline.

How should I choose validity for mainland and island stages?

Cover the entire confirmed itinerary, including arrival, transfer days, ferry stage and island stay. The first successful supported-network connection in an included destination starts Horizon's selected validity period.

Can I keep my number and share a hotspot in Tanzania?

With a compatible dual-SIM device, the home SIM can remain installed; its provider may charge for active services. Horizon is data-only and includes no local number. Hotspot sharing is free on every Horizon plan, draws from the same allowance and is not throttled.

Does the United Republic of Tanzania eSIM include calls and texts?

No. Horizon plans are data-only, with no phone number for calls or texts. Use apps such as WhatsApp or FaceTime over the eSIM's data, or keep your usual SIM on for ordinary calls and texts.

Do I need to turn on data roaming for the United Republic of Tanzania eSIM?

Yes. A travel eSIM connects to local networks as a roaming line, so turn on data roaming for the Horizon eSIM when you arrive. The plan is prepaid, so Horizon does not bill you after checkout. Keep data roaming off on your usual SIM to avoid charges from your home carrier.

What happens if I run out of data on the United Republic of Tanzania eSIM?

You can buy more. If your plan supports a top-up, My eSIMs shows the data you can add to the same eSIM. If it does not, buy another United Republic of Tanzania plan and install it the same way.

Will my phone work with the United Republic of Tanzania eSIM?

It will if your phone supports eSIM and is not locked to your home carrier. Many recent iPhone and Android models do, but some regional versions do not, so check your exact model on the supported devices page before you buy.

See supported devices

Will Horizon slow down my data?

No. Horizon fixed-data plans have no throttling. There is no daily limit that slows you down, so you can use your whole plan in one day if you need to. Your speed depends on the local network, your signal and how busy the network is. When your data allowance is used up, the plan stops rather than slowing down.

Can I get a refund if I already used some data?

Yes. We always refund the full amount you paid when you request it, whether your eSIM is unused, partly used or fully used. There is no time limit for requesting a refund.

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