# MentorCircle AI vs atrophy

The clearest difference is update cadence: atrophy at every 5 days against MentorCircle AI's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MentorCircle AI sells 4 in-app purchases, starting at $9.99 per month and atrophy sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

MentorCircle AI ships an update every 2 months, atrophy every 5 days. The most recent releases landed on October 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MentorCircle AI | atrophy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/atrophy/id6765778979/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 59 MB | 11 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Michael Spix](https://appshunter.io/developer/1826138335) | [Graham Annett](https://appshunter.io/developer/1896070977) |

## What reviewers say

### MentorCircle AI

[App page](https://appshunter.io/ios/app/mentorcircle-ai/id6748538990)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Starter Monthly | $9.99 | per month |
| Premium Pro Monthly | $19.99 | per month |
| Premium Starter Yearly | $89.99 | per year |
| Premium Pro Yearly | $179.99 | per year |


### atrophy

[App page](https://appshunter.io/ios/app/atrophy/id6765778979)

This app helps you assess how much you rely on AI for judgment. It offers offline diagnostic quizzes to identify AI-generated content, verify claims, and gauge your confidence. Results are presented as a calibration score and a shareable card.

**Highlights:** Offline diagnostic quizzes, AI content identification, Claim verification, Confidence gauging, Calibration score, Shareable result card

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atrophy Monthly | $4.99 | per month |
| Atrophy Yearly | $49.99 | per year |


## Frequently asked questions

### Is MentorCircle AI free?

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

### Is atrophy free?

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

### Do MentorCircle AI or atrophy have ads?

Neither MentorCircle AI nor atrophy shows ads.

### Which is updated more often, MentorCircle AI or atrophy?

MentorCircle AI ships an update every 2 months, and atrophy every 5 days. Most recently, MentorCircle AI was updated on October 28, 2026 and atrophy on October 7, 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.*