# AI Prompt Builder vs Prompt Rewriter

The clearest difference is in-app purchases: Prompt Rewriter at none against AI Prompt Builder's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Prompt Builder sells 1 one-off in-app purchase. Prompt Rewriter asks for nothing beyond the download.

## The numbers

| Metric | AI Prompt Builder | Prompt Rewriter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 6 MB | 2 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eduardo Dominguez Menendez](https://appshunter.io/developer/1697629661) | [Federated Unified Worker Network Inc](https://appshunter.io/developer/6775053957) |

## What reviewers say

### AI Prompt Builder

[App page](https://appshunter.io/ios/app/ai-prompt-builder/id6737697088)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited prompts + Remove Ads | $4.99 | one-time |


### Prompt Rewriter

[App page](https://appshunter.io/ios/app/prompt-rewriter/id6776006674)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Prompt Builder free?

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

### Is Prompt Rewriter free?

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

### Do AI Prompt Builder or Prompt Rewriter have ads?

Neither AI Prompt Builder nor Prompt Rewriter 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.*