# SIMTEST.it vs iON

The clearest difference is update cadence: iON at every 2 months against SIMTEST.it's every 30 months. SIMTEST.it's advantage is iOS requirement (8.0 vs 14.0). On price, ads, 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.

SIMTEST.it ships an update every 30 months, iON every 2 months. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SIMTEST.it | iON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 2 months** |
| Size | 17 MB | 37 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Swiss Digital AG](https://appshunter.io/developer/1016348988) | [ARKNAV INTERNATIONAL, INC.](https://appshunter.io/developer/1445504205) |

## What reviewers say

### SIMTEST.it

[App page](https://appshunter.io/ios/app/simtestit/id1359655002)

**Features:** macOS Compatibility

**In-app purchases:** none


### iON

[App page](https://appshunter.io/ios/app/ion-it/id1445504206)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIMTEST.it free?

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

### Is iON free?

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

### Do SIMTEST.it or iON have ads?

Neither SIMTEST.it nor iON shows ads.

### Which is updated more often, SIMTEST.it or iON?

SIMTEST.it ships an update every 30 months, and iON every 2 months. Most recently, SIMTEST.it was updated on October 2, 2026 and iON on October 9, 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.*