# sim365 vs ProntoSIM

The clearest difference is review sentiment: ProntoSIM at 100% against sim365's 33%. ProntoSIM also leads on rating (5.0 vs 3.0) and update cadence (every 9 days vs every 3 weeks). sim365's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ProntoSIM holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 33% of sim365's written reviews are positive against 100% of ProntoSIM's.

sim365 ships an update every 3 weeks, ProntoSIM every 9 days. The most recent releases landed on September 30, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | sim365 | ProntoSIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/sim365/id6503078906/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/prontosim/id6736466709/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 55 MB | 56 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [inmobiles](https://appshunter.io/developer/423977077) | [SwiftyByte SARL](https://appshunter.io/developer/1772063457) |

## What reviewers say

### sim365

[App page](https://appshunter.io/ios/app/sim365/id6503078906)

This app provides an eSIM solution for global travelers, offering affordable data plans to avoid expensive roaming charges. Easily install and activate a digital SIM for seamless internet access in multiple countries, allowing you to stay connected like a local.

**Highlights:** eSIM for international travel, Affordable data plans, Avoid roaming charges, Global coverage, Simple installation and activation, Unlimited data options

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ProntoSIM

[App page](https://appshunter.io/ios/app/prontosim/id6736466709)

Instantly purchase and activate eSIMs for global connectivity. Avoid roaming fees with affordable local data plans in over 190 countries. Perfect for travelers and digital nomads.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is sim365 free?

sim365 is free to download, with no in-app purchases.

### Is ProntoSIM free?

ProntoSIM is free to download, with no in-app purchases.

### Which has better reviews, sim365 or ProntoSIM?

ProntoSIM is rated higher. sim365 averages 3.0 out of 5 from 2 ratings, while ProntoSIM averages 5.0 from 5 ratings.

### Do sim365 or ProntoSIM have ads?

ProntoSIM shows ads; sim365 does not.

### Which is updated more often, sim365 or ProntoSIM?

sim365 ships an update every 3 weeks, and ProntoSIM every 9 days. Most recently, sim365 was updated on September 30, 2026 and ProntoSIM on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*