# AI DOCH vs Optimist by Octolife

The clearest difference is update cadence: Optimist by Octolife at every 2 weeks against AI DOCH's every 5 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.

AI DOCH ships an update every 5 weeks, Optimist by Octolife every 2 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AI DOCH | Optimist by Octolife |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 197 MB | 38 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DOCH](https://appshunter.io/developer/1823838741) | [Octolife](https://appshunter.io/developer/1869600117) |

## What reviewers say

### AI DOCH

[App page](https://appshunter.io/ios/app/ai-doch/id6748001802)

**Features:** macOS Compatibility

**In-app purchases:** none


### Optimist by Octolife

[App page](https://appshunter.io/ios/app/optimist-by-octolife/id6757917861)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI DOCH free?

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

### Is Optimist by Octolife free?

Optimist by Octolife is free to download, with no in-app purchases.

### Do AI DOCH or Optimist by Octolife have ads?

Neither AI DOCH nor Optimist by Octolife shows ads.

### Which is updated more often, AI DOCH or Optimist by Octolife?

AI DOCH ships an update every 5 weeks, and Optimist by Octolife every 2 weeks. Most recently, AI DOCH was updated on October 25, 2026 and Optimist by Octolife on October 31, 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.*