# Optical Simulator vs NoemieFit

The clearest difference is update cadence: NoemieFit at every 4 weeks against Optical Simulator's every 4 months. Optical Simulator's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

Optical Simulator ships an update every 4 months, NoemieFit every 4 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Optical Simulator | NoemieFit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Size | 82 MB | 90 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Treeview Studio SAS](https://appshunter.io/developer/1171912639) | [Shenzhen Xiaonuomi Technology Co.,Ltd.](https://appshunter.io/developer/1680435808) |

## What reviewers say

### Optical Simulator

[App page](https://appshunter.io/ios/app/optical-simulator/id1536399422)

**Features:** macOS Compatibility

**In-app purchases:** none


### NoemieFit

[App page](https://appshunter.io/ios/app/noemiefit/id6742306168)

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

**In-app purchases:** none


## Frequently asked questions

### Is Optical Simulator free?

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

### Is NoemieFit free?

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

### Do Optical Simulator or NoemieFit have ads?

Neither Optical Simulator nor NoemieFit shows ads.

### Which is updated more often, Optical Simulator or NoemieFit?

Optical Simulator ships an update every 4 months, and NoemieFit every 4 weeks. Most recently, Optical Simulator was updated on November 7, 2026 and NoemieFit on November 8, 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.*