# AI Agent Builder vs Prompt Keyboard

The clearest difference is price: Prompt Keyboard at Free against AI Agent Builder's $2.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Prompt Keyboard is free to download; AI Agent Builder costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | AI Agent Builder | Prompt Keyboard |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Size | 6 MB | 11 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yuhsiu Lai](https://appshunter.io/developer/433114647) | [Ha Do Thi Thu](https://appshunter.io/developer/1707030622) |

## What reviewers say

### AI Agent Builder

[App page](https://appshunter.io/ios/app/ai-agent-builder-create-agent/id6762403953)

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

**In-app purchases:** none


### Prompt Keyboard

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

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Agent Builder free?

AI Agent Builder costs $2.99, with no in-app purchases.

### Is Prompt Keyboard free?

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

### Do AI Agent Builder or Prompt Keyboard have ads?

Neither AI Agent Builder 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.*