# AiST Ai vs OMTech Lab

The clearest difference is device support: AiST Ai at 4 against OMTech Lab's 2. OMTech Lab's advantage is iOS requirement (13.0 vs 17.0). 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.

## The numbers

| Metric | AiST Ai | OMTech Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 8 MB | 96 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Deasoft, OOO](https://appshunter.io/developer/1281082792) | [Rygel Advanced Machines](https://appshunter.io/developer/1708154308) |

## What reviewers say

### AiST Ai

[App page](https://appshunter.io/ios/app/aist-ai/id6738985033)

**Features:** Apple Watch app

**In-app purchases:** none


### OMTech Lab

[App page](https://appshunter.io/ios/app/omtech-lab/id6755588816)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AiST Ai free?

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

### Is OMTech Lab free?

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

### Do AiST Ai or OMTech Lab have ads?

Neither AiST Ai nor OMTech Lab shows ads.

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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.*