# Duka vs Octo AI

The clearest difference is in-app purchases: Duka at none against Octo AI's 2. Octo AI's advantage is update cadence (every 4 days vs fortnightly) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Octo AI sells 2 in-app purchases, starting at $4.99 per 7 days. Duka asks for nothing beyond the download.

Duka ships an update fortnightly, Octo AI every 4 days. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Duka | Octo AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Size | 65 MB | 58 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ian Marchi](https://appshunter.io/developer/6785102077) | [CENGIZHAN ERTURAN](https://appshunter.io/developer/6803370468) |

## What reviewers say

### Duka

[App page](https://appshunter.io/ios/app/duka-vestibular-e-enem/id6785102075)

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

**In-app purchases:** none


### Octo AI

[App page](https://appshunter.io/ios/app/octo-ai-video-problem-solver/id6803370466)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Octo AI Pro - Weekly | $4.99 | per 7 days |
| Octo AI Pro - Monthly | $12.99 | per month |


## Frequently asked questions

### Is Duka free?

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

### Is Octo AI free?

Octo AI is free to download, with in-app purchases available.

### Do Duka or Octo AI have ads?

Neither Duka nor Octo AI shows ads.

### Which is updated more often, Duka or Octo AI?

Duka ships an update fortnightly, and Octo AI every 4 days. Most recently, Duka was updated on October 31, 2026 and Octo AI on November 10, 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.*