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Best International Sim Card Apps

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

Every iPhone needs a few good international sim card apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top International Sim Card Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Airalo: eSIM for travel & dataAiralo: eSIM for travel & dataFree4.6★ (100K)NoNoSep 2026
2Holafly eSIM: Unlimited DataHolafly eSIM: Unlimited DataFree4.8★ (36K)NoNoSep 2026
3Saily: eSIM + phone numberSaily: eSIM + phone numberFree4.7★ (12K)YesNoSep 2026
4Nomad eSIM: Prepaid Data PlanNomad eSIM: Prepaid Data PlanFree4.8★ (16K)YesNoSep 2026
5T-Mobile Prepaid eSIMT-Mobile Prepaid eSIMFree4.9★ (16K)NoNoSep 2026
6aloSIM: 5G Prepaid Travel eSIMaloSIM: 5G Prepaid Travel eSIMFree4.6★ (1.3K)YesNoSep 2026
7eCard24 ROAMING SIMeCard24 ROAMING SIMFree—YesNoMay 2026
8esimTellesimTellFree——NoAug 2026

Top Picks for International Sim Card

Airalo: eSIM for travel & data#1

Airalo: eSIM for travel & data by Airalo

Stay connected anywhere
Editor's Choice
✈️ Travel
4.6😊(100K ratings)
Free
#50in Travel
Airalo: eSIM for travel & data screenshot 1
Airalo: eSIM for travel & data screenshot 2
Airalo: eSIM for travel & data screenshot 3
Airalo: eSIM for travel & data screenshot 4
Airalo: eSIM for travel & data screenshot 5
Airalo: eSIM for travel & data screenshot 6

Stay connected globally with digital SIM cards for your travels. Easily install an eSIM and get online in over 200 countries and regions without roaming fees. Enjoy affordable data, call, and text services.

What We Love

  • 🚀 Convenient and easy to use
  • 💡 Flexible and affordable data plans
  • 👍 Seamless connectivity across multiple countries
  • 🚀 Instant activation upon arrival
  • 👍 Helpful customer support

Room to Improve

  • 🐛 Occasional connectivity issues
  • 🐛 Confusing setup process
  • 🐛 Lack of local phone number support
  • 🐛 Unreliable customer service response times
Holafly eSIM: Unlimited Data#2

Holafly eSIM: Unlimited Data by HOLAFLY LIMITED

Travel SIM Card & WiFi Hotspot
Strong Contender
✈️ Travel
4.8😐(36K ratings)
Free
#81in Travel
Holafly eSIM: Unlimited Data screenshot 1
Holafly eSIM: Unlimited Data screenshot 2
Holafly eSIM: Unlimited Data screenshot 3
Holafly eSIM: Unlimited Data screenshot 4
Holafly eSIM: Unlimited Data screenshot 5
Holafly eSIM: Unlimited Data screenshot 6

Stay connected globally with digital SIM cards offering unlimited data for travel. Avoid expensive roaming fees and enjoy easy installation and activation for seamless internet access in over 200 destinations.

What We Love

  • 🚀 Easy to use
  • 🚀 Reliable service
  • 🚀 Excellent customer service
  • 🚀 Unlimited data
  • 🚀 Seamless installation
  • 🚀 Works well in multiple countries

Room to Improve

  • 🐛 Unreliable connectivity
  • 🐛 Slow speeds
  • 🐛 Lack of transparency on fair use policies
  • 🐛 Difficult to get refunds
  • 🐛 Buggy app experience
  • 🐛 Poor coverage in some areas
Saily: eSIM + phone number#3

Saily: eSIM + phone number by Nordvpn S.A.

Get data and a second number
Worth Considering
✈️ Travel
4.7😞(12K ratings)
FreeAds
#86in Travel
Saily: eSIM + phone number screenshot 1
Saily: eSIM + phone number screenshot 2
Saily: eSIM + phone number screenshot 3
Saily: eSIM + phone number screenshot 4
Saily: eSIM + phone number screenshot 5
Saily: eSIM + phone number screenshot 6

This app provides virtual SIM cards for mobile data, allowing travelers to access fast and reliable internet in over 200 destinations. Avoid roaming fees and stay connected easily with plans that can be installed and activated in minutes.

What We Love

  • 💡 Cheap and affordable
  • 👍 Easy setup and activation
  • 🚀 Fast and reliable data speeds in some regions
  • 🔒 Secure and trustworthy provider

Room to Improve

  • 🐛 Unreliable connectivity and slow speeds in certain countries (e.g. Japan, Vietnam, India)
  • 🔍 Lack of transparency around network coverage and speeds
  • ⚠️ Inconsistent customer support and refusal to provide refunds
  • 🗺️ Limited regional plans and inability to use remaining data in other countries

More International Sim Card apps to explore

FAQ about International Sim Card

What are the best international sim card apps for iPhone?
Airalo: eSIM for travel & data tops our international sim card apps ranking as of August 2026, with a 4.6-star average from 100K App Store ratings, and it's free to download.
Yes — 20 of the top international sim card apps we rank are free to download, including Airalo: eSIM for travel & data and Holafly eSIM: Unlimited Data.
Airalo: eSIM for travel & data has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ international sim card apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
An Airalo eSIM plan provides you with mobile data, call, and text services. You can choose from prepaid local, regional, or global eSIM plans to get online in over 200 countries and regions. The plan includes a specific amount of data valid for a set period, and you can top up or download a new eSIM if needed.
eSIMs from Airalo are affordable, starting from US$4.50 for 1GB of data. The final cost depends on the amount of data and the validity period you choose for your plan. There are no hidden fees, ensuring transparent pricing for your global connectivity needs.

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