# OSIRIS HAN vs TrueSim

The clearest difference is update cadence: TrueSim at every 3 months against OSIRIS HAN's every 8 months. OSIRIS HAN's advantage is iOS requirement (11.0 vs 15.6). 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.

OSIRIS HAN ships an update every 8 months, TrueSim every 3 months. The most recent releases landed on October 7, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | OSIRIS HAN | TrueSim |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Size | 35 MB | 75 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CACI bv](https://appshunter.io/developer/961337312) | [TrueSim](https://appshunter.io/developer/1609206000) |

## What reviewers say

### OSIRIS HAN

[App page](https://appshunter.io/ios/app/osiris-han/id1602207513)

**Features:** macOS Compatibility

**In-app purchases:** none


### TrueSim

[App page](https://appshunter.io/ios/app/truesim/id1609205998)

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

**In-app purchases:** none


## Frequently asked questions

### Is OSIRIS HAN free?

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

### Is TrueSim free?

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

### Do OSIRIS HAN or TrueSim have ads?

Neither OSIRIS HAN nor TrueSim shows ads.

### Which is updated more often, OSIRIS HAN or TrueSim?

OSIRIS HAN ships an update every 8 months, and TrueSim every 3 months. Most recently, OSIRIS HAN was updated on October 7, 2026 and TrueSim on September 19, 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.*