# Cerebro vs Prompt Keyboard

The clearest difference is in-app purchases: Prompt Keyboard at none against Cerebro's 2. Prompt Keyboard also leads on iOS requirement (17.6 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Cerebro sells 2 in-app purchases, starting at $9.99 per month. Prompt Keyboard asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Cerebro against 5.0 for Prompt Keyboard. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Cerebro | Prompt Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/cerebro-your-second-brain/id6761205619/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/prompt-keyboard-ai-paste/id6770451676/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Freemium | **Free** |
| Size | 87 MB | 11 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Henry PL, LLC](https://appshunter.io/developer/1470349167) | [Ha Do Thi Thu](https://appshunter.io/developer/1707030622) |

## What reviewers say

### Cerebro

[App page](https://appshunter.io/ios/app/cerebro-your-second-brain/id6761205619)

This AI-powered thought journal helps you capture ideas and resurfaces forgotten thoughts with context. It automatically extracts to-dos and uses semantic search to find entries based on meaning, not just keywords. Designed for those who struggle with organization, it removes friction by letting AI handle the sorting.

**Highlights:** AI-powered thought processing, Automatic to-do extraction, Semantic search for ideas, Resurfaces forgotten thoughts, Frictionless writing experience, No folders or manual organization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cerebro Pro | $9.99 | per month |
| Cerebro Pro | $79.99 | per year |


### Prompt Keyboard

[App page](https://appshunter.io/ios/app/prompt-keyboard-ai-paste/id6770451676)

Streamline your AI interactions by saving, organizing, and quickly pasting custom prompts and templates. Create flexible prompts with variables and enhance existing ones for better results. Your data stays private on your device.

**Highlights:** Save and organize reusable prompts, Paste prompts from a custom keyboard, Create flexible prompt templates with variables, Fill template variables before pasting, Built-in prompt packs for various uses, Local prompt builder and enhancer, Organize prompts with categories and tags

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

**In-app purchases:** none


## Frequently asked questions

### Is Cerebro free?

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

### Is Prompt Keyboard free?

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

### Which has better reviews, Cerebro or Prompt Keyboard?

Cerebro and Prompt Keyboard are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Cerebro or Prompt Keyboard have ads?

Neither Cerebro nor Prompt Keyboard shows ads.

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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.*