# DogAI vs CatharSushi

The clearest difference is ads: DogAI at none against CatharSushi's shown. DogAI also leads on iOS requirement (11.0 vs 13.0). CatharSushi's advantage is update cadence (every 6 days vs every 2 weeks). On price, 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.

DogAI ships an update every 2 weeks, CatharSushi every 6 days. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | DogAI | CatharSushi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 29 MB | 38 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Takayuki Kawai](https://appshunter.io/developer/1574540128) | [Mutsumi Kubo](https://appshunter.io/developer/1738725654) |

## What reviewers say

### DogAI

[App page](https://appshunter.io/ios/app/dogai/id6446479782)

**In-app purchases:** none


### CatharSushi

[App page](https://appshunter.io/ios/app/catharsushi/id6499454958)

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

**In-app purchases:** none


## Frequently asked questions

### Is DogAI free?

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

### Is CatharSushi free?

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

### Do DogAI or CatharSushi have ads?

CatharSushi shows ads; DogAI does not.

### Which is updated more often, DogAI or CatharSushi?

DogAI ships an update every 2 weeks, and CatharSushi every 6 days. Most recently, DogAI was updated on October 25, 2026 and CatharSushi on October 27, 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.*