# AI Detector vs Harold.

The clearest difference is review sentiment: Harold. at 100% against AI Detector's 0%. Harold. also leads on rating (5.0 vs 2.0) and in-app purchases (none vs 1). On price, ratings volume, device support and iOS requirement there is nothing between them.

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

Harold. holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 0% of AI Detector's written reviews are positive against 100% of Harold.'s.

AI Detector ships an update every 4 months, Harold. every 2 weeks. The most recent releases landed on September 1, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | AI Detector | Harold. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/ai-detector-text-scanner/id6446067546/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/harold/id6762239740/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 3 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Mihail Salari](https://appshunter.io/developer/1263980303) | [SAI SIDDHI VINAYAK KARNATI](https://appshunter.io/developer/1893511884) |

## What reviewers say

### AI Detector

[App page](https://appshunter.io/ios/app/ai-detector-text-scanner/id6446067546)

This app analyzes text to determine if it was generated by AI or a human. It helps identify fake news, fraudulent messages, and chatbots, enhancing online privacy and security. The tool offers a clear interface for verifying content authenticity.

**Highlights:** Detects AI-generated text, Identifies fake news and fraud, Differentiates human vs. machine writing, Analyzes text from images and documents, Provides AI content percentage, Enhances online privacy and security

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GPTZero Pro - no Ads! | $1.99 | one-time |


### Harold.

[App page](https://appshunter.io/ios/app/harold/id6762239740)

This app allows writers to share drafts and receive precise, inline feedback from friends. Its distraction-free editor helps focus on content, and shared drafts enable collaborators to comment directly on specific text passages.

**Highlights:** Distraction-free writing editor, Inline commenting on text, Share drafts directly from app, Collaborative feedback tool, Supports various written content

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Detector free?

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

### Is Harold. free?

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

### Which has better reviews, AI Detector or Harold.?

Harold. is rated higher. AI Detector averages 2.0 out of 5 from 3 ratings, while Harold. averages 5.0 from 5 ratings.

### Do AI Detector or Harold. have ads?

AI Detector shows ads; Harold. does not.

### Which is updated more often, AI Detector or Harold.?

AI Detector ships an update every 4 months, and Harold. every 2 weeks. Most recently, AI Detector was updated on September 1, 2026 and Harold. on September 12, 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.*