# Nucleus vs Ai Detector

The clearest difference is in-app purchases: Nucleus at none against Ai Detector's 3. Ai Detector's advantage is iOS requirement (13.1 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ai Detector sells 3 in-app purchases, starting at $3.99 per 7 days. Nucleus asks for nothing beyond the download.

Nucleus ships an update every 9 days, Ai Detector weekly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Nucleus | Ai Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (63 ratings)](https://appshunter.io/ios/app/ai-detector-detect-ai-writer/id6449285320/reviews)** |
| Number of ratings | — | **63** |
| Positive reviews | — | 16.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 61 MB |
| Requires iOS | 15.0 | **13.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yekta Sarioglu](https://appshunter.io/developer/1633831532) | [Trang Phung Dieu](https://appshunter.io/developer/1688508746) |

## What reviewers say

### Nucleus

[App page](https://appshunter.io/ios/app/nucleus/id1633831530)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ai Detector

[App page](https://appshunter.io/ios/app/ai-detector-detect-ai-writer/id6449285320)

This app analyzes written text to determine if it was generated by a human or an AI. It provides a percentage indicating the likelihood of AI involvement, helping users verify content authenticity. Features include text scanning from documents and direct input.

**Highlights:** AI-generated content detection, Human-generated content verification, Text scanning via camera, Copy-paste text analysis, Percentage-based results, Content authenticity assurance

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Nucleus free?

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

### Is Ai Detector free?

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

### Do Nucleus or Ai Detector have ads?

Neither Nucleus nor Ai Detector shows ads.

### Which is updated more often, Nucleus or Ai Detector?

Nucleus ships an update every 9 days, and Ai Detector weekly. Most recently, Nucleus was updated on November 7, 2026 and Ai Detector on November 3, 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.*