# ThinkMate vs Undetectable AI Paraphrase

The clearest difference is monetization model: ThinkMate at free with in-app purchases against Undetectable AI Paraphrase's subscription. ThinkMate also leads on update cadence (every 5 days vs every 4 weeks). Undetectable AI Paraphrase's advantage is iOS requirement (13.0 vs 16.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. ThinkMate sells 3 one-off in-app purchases and Undetectable AI Paraphrase sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ThinkMate ships an update every 5 days, Undetectable AI Paraphrase every 4 weeks. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ThinkMate | Undetectable AI Paraphrase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/undetectable-ai-paraphrase/id6711331017/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 11 MB | 79 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shota Abe](https://appshunter.io/developer/1610459325) | [Sebin Varghese](https://appshunter.io/developer/1756459350) |

## What reviewers say

### ThinkMate

[App page](https://appshunter.io/ios/app/thinkmate/id6446218160)

This AI-powered tool offers intelligent chat capabilities and web search integration. It synchronizes data across devices using iCloud and provides syntax highlighting for code. Enhance your learning and productivity with smart assistance.

**Highlights:** AI Chat, Web Search, iCloud Sync, Syntax Highlight

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $2.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


### Undetectable AI Paraphrase

[App page](https://appshunter.io/ios/app/undetectable-ai-paraphrase/id6711331017)

This tool helps you rewrite text to sound more human and avoid AI detection. It offers features to analyze AI content, rephrase sentences, and convert AI-generated text into natural-sounding writing. Upload documents or use your camera to scan text for easy processing.

**Highlights:** AI Content Check, Camera Text Scanning, Humanizer Feature, Easy Paraphrasing, User-Friendly Interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription Weekly | $6.99 | per 7 days |
| Premium Subscription Monthly | $24.99 | per month |


## Frequently asked questions

### Is ThinkMate free?

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

### Is Undetectable AI Paraphrase free?

Undetectable AI Paraphrase is free to download, with in-app purchases available.

### Do ThinkMate or Undetectable AI Paraphrase have ads?

Neither ThinkMate nor Undetectable AI Paraphrase shows ads.

### Which is updated more often, ThinkMate or Undetectable AI Paraphrase?

ThinkMate ships an update every 5 days, and Undetectable AI Paraphrase every 4 weeks. Most recently, ThinkMate was updated on October 3, 2026 and Undetectable AI Paraphrase on October 10, 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.*