One Sim

Horizon Digital Ventures L.L.C. Travel iPhoneiPadiPod touch

One Sim is a free Travel app for iPhone and iPad by Horizon Digital Ventures L.L.C. Rated 4.9/5 from 10 ratings. Requires iOS 16.4. Updated October 10, 2026.

Rating: 4.9; 10 ratings
Price: Free; on the App Store
Size: 73 MB; Age 4+
Updated: Oct 10; 2026 · v2.0.2

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Screenshots

About One Sim

With onesim, you install your eSIM once and never again. Every time you buy a new data package, it’s instantly ready to use - no reinstallation, no QR codes, no roaming headaches. Whether you’re exploring Europe, heading across the Americas, or venturing into Asia, onesim keeps you connected with reliable data in every country you visit. Stay online for maps, messaging, and memories - all with a single data plan. Why travelers love onesim: • One eSIM - install once and you’re set • One data package per region - Traveling to Europe? Purchase one data package and you’re covered wherever you go! • Seamless coverage - stay online as you cross countries • Fast 4G/5G data - perfect for maps, chat, and travel apps

Ratings & reviews

4.9

10 ratings

5 ★ 90% 4 ★ 10% 3 ★ 0% 2 ★ 0% 1 ★ 0%

What’s new

Version 2.0.2 · Updated October 10, 2026

Thank you for using onesim! We continuously strive to make the app even better for you. This version brings performance improvements and optimizations for a faster, smoother experience.

App privacy

The developer, Horizon Digital Ventures L.L.C., reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

Usage Data: Product Interaction

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

Usage Data: Product Interaction
Contact Info: Physical Address, Email Address, Name, Phone Number

Used for: Analytics, App Functionality

App details

One Sim is a free Travel app for iPhone, iPad and iPod touch, developed by Horizon Digital Ventures L.L.C. It is rated 4.9 out of 5 from 10 ratings on the App Store, requires iOS 16.4 or later, is 73 MB to download and is available in 12 languages. It was first released on September 27, 2025 and last updated on October 10, 2026.

Category: Travel
Rating: 4.9 / 5 (10 ratings)
Price: Free
Version: 2.0.2
Size: 73 MB
Requires: iOS 16.4 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English, Albanian, Croatian, French, German, Italian, Portuguese, Russian and 4 more
Age rating: 4+
Released: September 27, 2025
Last updated: October 10, 2026
Developer: Horizon Digital Ventures L.L.C.

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Alternatives to One Sim

Looking for apps like One Sim? Here are 6 similar apps on the App Store. The highest rated is 99esim: Travel eSIM Data (4.9/5), and all 6 are free to download.

One Sim vs. alternatives
App	Rating	Price	Last updated	Compare
One Sim	4.9 / 5 (10 ratings)	Free	October 10, 2026
MobiSIM: eSIM Travel Data	4.0 / 5 (4)	Free	Jul 29, 2026	Compare
Gjirafa eSIM: Travel Data SIM	4.4 / 5 (13)	Free	Oct 6, 2026	Compare
99esim: Travel eSIM Data	4.9 / 5 (144)	Free	Jun 25, 2026	Compare
Kudo eSIM	4.3 / 5 (18)	Free	Oct 3, 2026	Compare
Scan Ride : Food and More	3.7 / 5 (9)	Free	Oct 13, 2026	Compare
VIA eSIM	4.9 / 5 (136)	Free	Sep 7, 2026	Compare

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