# Deutschi vs Sigma AI math solver

The clearest difference is ads: Sigma AI math solver at none against Deutschi's shown. Sigma AI math solver also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price 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 | Deutschi | Sigma AI math solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Size | 559 MB | 25 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Deutschub UG (haftungsbeschrnkt)](https://appshunter.io/developer/1829282520) | [Uridiinbish Narankhuu](https://appshunter.io/developer/1872069897) |

## What reviewers say

### Deutschi

[App page](https://appshunter.io/ios/app/deutschi-learn-german/id6749206848)

**In-app purchases:** none


### Sigma AI math solver

[App page](https://appshunter.io/ios/app/sigma-ai-math-solver/id6759162133)

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

**In-app purchases:** none


## Frequently asked questions

### Is Deutschi free?

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

### Is Sigma AI math solver free?

Sigma AI math solver is free to download, with no in-app purchases.

### Do Deutschi or Sigma AI math solver have ads?

Deutschi shows ads; Sigma AI math solver does not.

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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.*