# Cockatoo vs 4DI

The clearest difference is in-app purchases: 4DI at none against Cockatoo's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cockatoo sells 3 in-app purchases, starting at $19.99 per month. 4DI asks for nothing beyond the download.

Cockatoo ships an update every 5 days, 4DI weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Cockatoo | 4DI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (762 ratings)](https://appshunter.io/ios/app/cockatoo-ai-note-taker/id6499500731/reviews)** | — |
| Number of ratings | **762** | — |
| Positive reviews | 64.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 5 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cockatoo](https://appshunter.io/developer/1743673851) | [Robert Poetzsch](https://appshunter.io/developer/1860642630) |

## What reviewers say

### Cockatoo

[App page](https://appshunter.io/ios/app/cockatoo-ai-note-taker/id6499500731)

This app uses AI to capture, transcribe, and summarize spoken content from meetings, lectures, or dictation. It transforms audio and video files into text, offers voice typing, and provides an AI writing assistant for refining notes. It also includes translation capabilities for over 90 languages.

**Highlights:** AI-powered recording and transcription, Automatic summaries and action items, High-accuracy voice typing and dictation, Convert audio/video files to text, AI writing assistant for note refinement, Multi-language translation

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cockatoo Pro - Monthly Billing | $19.99 | per month |
| Cockatoo Pro | $95.99 | per year |
| Cockatoo Pro - Yearly Billing | $119.99 | per year |


### 4DI

[App page](https://appshunter.io/ios/app/4di-data-integrity-tool/id6760180866)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cockatoo free?

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

### Is 4DI free?

4DI is free to download, with no in-app purchases.

### Do Cockatoo or 4DI have ads?

Neither Cockatoo nor 4DI shows ads.

### Which is updated more often, Cockatoo or 4DI?

Cockatoo ships an update every 5 days, and 4DI weekly. Most recently, Cockatoo was updated on October 30, 2026 and 4DI 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.*