# ProntoSIM — Affordable Global eSIM Data

> Purchase and activate eSIMs instantly for global mobile data access. (iPhone/iPad app by SwiftyByte SARL.)

- Source: https://appshunter.io/ios/app/prontosim/id6736466709 (this page in markdown: same URL + `.md`)
- Developer: [SwiftyByte SARL](https://appshunter.io/developer/1772063457)
- Category: Travel
- Price: Free
- Rating: 5.00/5 from 5 App Store ratings · 3 written reviews indexed
- Age rating: 12+
- Requires: iOS 15.1 · 56 MB
- Languages: American English
- Released: 2024-11-05
- Data updated: 2026-08-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/prontosim/id6736466709/reviews.md

## What is ProntoSIM?

ProntoSIM – Buy eSIMs Instantly, Stay Connected Globally
Say goodbye to physical SIM cards and roaming fees! With ProntoSIM, you can purchase and activate eSIMs directly on your phone, giving you instant access to local and international networks wherever you go.

Why ProntoSIM?
- Instant eSIM Activation: Buy, download, and activate your eSIM in minutes. No more waiting or paperwork.
- Global Coverage: Access 300+ networks in over 190 countries with affordable data plans and seamless connectivity.
- No Contracts, No Hassles: Choose the data plan that fits your needs, from short-term options to long-term packages. Only pay for what you use!
- Travel Ready: Avoid expensive roaming charges. ProntoSIM connects you to local networks at local prices, making it perfect for travelers.
- Simple Setup: Our intuitive app makes it easy to set up your eSIM with step-by-step instructions.
- Secure & Reliable: ProntoSIM uses the latest technology to ensure your connection is secure and stable, wherever you are.

Perfect for Travelers, Digital Nomads, and Expats
Whether you’re exploring a new country, working remotely, or staying connected on a business trip, ProntoSIM gives you the flexibility and convenience to manage your mobile connectivity with ease.
Key Features:
- Browse, buy, and activate eSIMs in minutes.
- Access affordable local and global data plans.
- Manage multiple eSIM profiles from the app.
- Stay connected with 24/7 customer support.

Download ProntoSIM today and enjoy seamless global connectivity at your fingertips!

## Key features

- Instant eSIM activation
- Global coverage in 190+ countries
- Affordable local data plans
- No contracts or hidden fees
- Manage multiple eSIM profiles
- 24/7 customer support

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/prontosim/id6736466709/reviews.md

### 5/5 — great

*2025-04-10*

love it

### 5/5 — Love it

*2024-12-18*

Very useful app 
Used it during my trip to France 
Loved the service

### 5/5 — ProntoSim review

*2024-12-18*

Wow wow wow - what a great app - amazing features, great connectivity and very friendly customer service.

## Frequently asked questions about ProntoSIM

### How does ProntoSIM work?

ProntoSIM allows you to purchase and activate eSIMs directly on your phone. You can browse, buy, and activate data plans in minutes, providing instant access to local and international networks without needing a physical SIM card.

### What countries does ProntoSIM cover?

ProntoSIM offers global coverage, providing access to over 300 networks in more than 190 countries. This ensures you can stay connected affordably wherever your travels take you.

### Is ProntoSIM free to use?

The ProntoSIM app is free to download and use. You only pay for the data plans you purchase for your eSIMs, offering a flexible pay-as-you-go model.

### Does ProntoSIM have ads?

Yes, ProntoSIM contains advertisements. These ads help support the free provision of the app and its services to users.

### What are the benefits of using ProntoSIM for travel?

ProntoSIM helps you avoid expensive roaming charges by connecting you to local networks at local prices. It offers instant activation and flexible data plans, making it ideal for travelers.

### Can I manage multiple eSIMs with ProntoSIM?

Yes, the app allows you to manage multiple eSIM profiles from within the application. This provides convenience for users who switch between different plans or regions.

### How often is ProntoSIM updated?

The latest version of ProntoSIM is 1.4.5, and it was last updated on November 12, 2025. Updates typically include performance improvements and new features.

### What devices are supported by ProntoSIM?

ProntoSIM is supported on iPhones and iPods. Ensure your device is compatible with eSIM technology to use the service effectively.

## Version history (last 5 releases)

### 1.5.4 — 2026-07-29

UI enhancement

### 1.5.3 — 2026-05-27

Login bug fix

### 1.5.2 — 2026-05-17

-> unlimited packages new UI

### 1.4.7 — 2026-05-01

Bug fixes

### 1.4.6 — 2026-04-24

Bugs fixes

## Apps similar to ProntoSIM

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [AE-SIM](https://appshunter.io/ios/app/ae-sim/id6741000787) | — | Free | Travel |
| [sim365](https://appshunter.io/ios/app/sim365/id6503078906) | 3.0 (2) | Free | Travel |
| [Constella Mobile](https://appshunter.io/ios/app/constella-mobile/id6544783228) | 5.0 (11) | Free | Travel |
| [SimSiz: eSIM & 2nd Number](https://appshunter.io/ios/app/simsiz-esim-and-2nd-number/id6743417514) | — | Free | Travel |
| [Esimora](https://appshunter.io/ios/app/esimora/id6736468670) | 5.0 (4) | Free | Travel |
| [Simles eSIM](https://appshunter.io/ios/app/simles-esim/id6742178873) | 5.0 (1) | Free | Travel |

## More apps by SwiftyByte SARL

- [ParishSolution](https://appshunter.io/ios/app/parishsolution/id6747159252)

All apps by SwiftyByte SARL: https://appshunter.io/developer/1772063457

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-01.*