# ARRA vs Grammatik Coach

The clearest difference is update cadence: Grammatik Coach at daily against ARRA's every 3 weeks. 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.

ARRA ships an update every 3 weeks, Grammatik Coach daily. The most recent releases landed on October 29, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ARRA | Grammatik Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 136 MB | 73 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stiefel Magyarorszag Terkepkiado Vizualtechnikai es Taneszkozkereskedelmi KFT](https://appshunter.io/developer/1031250479) | [Nikko Laurenciana](https://appshunter.io/developer/1728438884) |

## What reviewers say

### ARRA

[App page](https://appshunter.io/ios/app/arra/id1159674526)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grammatik Coach

[App page](https://appshunter.io/ios/app/grammatik-coach/id6664063835)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ARRA free?

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

### Is Grammatik Coach free?

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

### Do ARRA or Grammatik Coach have ads?

Neither ARRA nor Grammatik Coach shows ads.

### Which is updated more often, ARRA or Grammatik Coach?

ARRA ships an update every 3 weeks, and Grammatik Coach daily. Most recently, ARRA was updated on October 29, 2026 and Grammatik Coach on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*