# Doculla vs CPU

The clearest difference is in-app purchases: CPU at none against Doculla's 2. CPU also leads on update cadence (daily vs every 10 days) and iOS requirement (15.6 vs 17.0). Doculla's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Doculla sells 2 in-app purchases, starting at $3.99 per month. CPU asks for nothing beyond the download.

Doculla ships an update every 10 days, CPU daily. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Doculla | CPU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Daily** |
| Size | 12 MB | 5 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Philipp Baldauf](https://appshunter.io/developer/613102952) | [Renya Miyahara](https://appshunter.io/developer/6789789604) |

## What reviewers say

### Doculla

[App page](https://appshunter.io/ios/app/doculla-ai-document-scanner/id6738603780)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $24.99 | per year |


### CPU

[App page](https://appshunter.io/ios/app/cpu-g/id6793358304)

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

**In-app purchases:** none


## Frequently asked questions

### Is Doculla free?

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

### Is CPU free?

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

### Do Doculla or CPU have ads?

CPU shows ads; Doculla does not.

### Which is updated more often, Doculla or CPU?

Doculla ships an update every 10 days, and CPU daily. Most recently, Doculla was updated on November 8, 2026 and CPU 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.*