# Check Plagiarism vs AI Detector

The clearest difference is rating: AI Detector at 4.5 against Check Plagiarism's 3.7. AI Detector also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Check Plagiarism sells 2 in-app purchases, starting at $9.99 per month and AI Detector sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Detector holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 11 and 26 respectively.

Check Plagiarism ships an update every 2 months, AI Detector every 3 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Check Plagiarism | AI Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (11 ratings)](https://appshunter.io/ios/app/check-plagiarism-humanizer/id1615757881/reviews) | **[4.5 (26 ratings)](https://appshunter.io/ios/app/ai-detector-text-analyzer/id6479370564/reviews)** |
| Number of ratings | 11 | **26** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 75 MB | 38 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abdul Rehman](https://appshunter.io/developer/1606519308) | [Apollo Technologies LLC](https://appshunter.io/developer/1723251047) |

## What reviewers say

### Check Plagiarism

[App page](https://appshunter.io/ios/app/check-plagiarism-humanizer/id1615757881)

Detect duplicate content and plagiarized text in your documents. This user-friendly tool offers detailed reports with plagiarism percentages and identifies original sources. It also includes AI content humanization, summarization, grammar checking, and AI detection.

**Highlights:** Duplicate content detection, Plagiarism reports with percentages, Identifies original sources, Humanizer AI, Summarize Text, Grammar Checker, AI Content Detector

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.99 | per month |
| Yearly Plan | $99.99 | per year |


### AI Detector

[App page](https://appshunter.io/ios/app/ai-detector-text-analyzer/id6479370564)

This tool analyzes text to identify AI-generated content with high accuracy and offers a feature to humanize AI writing. It provides detailed reports and supports multiple languages, helping users ensure content authenticity.

**Highlights:** AI detection and humanization, In-depth analysis reports, One-click scanning, Scan history and cloud sync, Multilingual support, Continuous updates

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GPT Detector Premium | $7.99 | per 7 days |
| GPT Detector Premium | $19.99 | per month |
| GPT Detector Premium | $89.99 | per year |


## Frequently asked questions

### Is Check Plagiarism free?

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

### Is AI Detector free?

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

### Which has better reviews, Check Plagiarism or AI Detector?

AI Detector is rated higher. Check Plagiarism averages 3.7 out of 5 from 11 ratings, while AI Detector averages 4.5 from 26 ratings.

### Do Check Plagiarism or AI Detector have ads?

Neither Check Plagiarism nor AI Detector shows ads.

### Which is updated more often, Check Plagiarism or AI Detector?

Check Plagiarism ships an update every 2 months, and AI Detector every 3 weeks. Most recently, Check Plagiarism was updated on October 30, 2026 and AI Detector on October 24, 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.*