# Readefine vs AI Prompt Modifier

The clearest difference is in-app purchases: AI Prompt Modifier at none against Readefine's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Readefine sells 1 in-app purchase, starting at $10.00 per month. AI Prompt Modifier asks for nothing beyond the download.

Readefine ships an update every 3 weeks, AI Prompt Modifier monthly. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Readefine | AI Prompt Modifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/readefine/id1544832207/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Freemium | — |
| Size | 9 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Readefine LLC](https://appshunter.io/developer/1544832209) | [Windmillcode LLC](https://appshunter.io/developer/1755065554) |

## What reviewers say

### Readefine

[App page](https://appshunter.io/ios/app/readefine/id1544832207)

This app rewrites web content to suit your needs, offering AI-powered summarization, translation, tone changes, and simplification. It also includes a hyper-speed dictionary and unit converter.

**Highlights:** AI-powered rewording, Summarize web content, Translate into multiple languages, Adjust text tone and complexity, Hyper-speed dictionary, Unit and currency conversion

**Features:** Safari Extension

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Readefine AI: Pro | $10.00 | per month |


### AI Prompt Modifier

[App page](https://appshunter.io/ios/app/ai-prompt-modifier/id6736705362)

**Features:** Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is Readefine free?

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

### Is AI Prompt Modifier free?

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

### Do Readefine or AI Prompt Modifier have ads?

Neither Readefine nor AI Prompt Modifier shows ads.

### Which is updated more often, Readefine or AI Prompt Modifier?

Readefine ships an update every 3 weeks, and AI Prompt Modifier monthly. Most recently, Readefine was updated on October 12, 2026 and AI Prompt Modifier on October 14, 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.*