# AI Chat vs atrophy

The clearest difference is rating: AI Chat at 5.0 against atrophy's 3.7. AI Chat also leads on device support (3 vs 1) and iOS requirement (13.6 vs 17.0). atrophy's advantage is monetization model (freemium vs subscription) and ratings volume (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AI Chat sells 4 in-app purchases, starting at $4.99 per 7 days 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.

AI Chat holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

AI Chat ships an update every 9 days, atrophy every 5 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AI Chat | atrophy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-chat-ai-solver-chatbot/id6450626834/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/atrophy/id6765778979/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Subscription | **Freemium** |
| Size | 25 MB | 11 MB |
| Requires iOS | **13.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Thu trang hoang](https://appshunter.io/developer/1665917878) | [Graham Annett](https://appshunter.io/developer/1896070977) |

## What reviewers say

### AI Chat

[App page](https://appshunter.io/ios/app/ai-chat-ai-solver-chatbot/id6450626834)

This AI-powered chatbot leverages advanced models to provide real-time information and solve a wide range of problems. It acts as a personal tutor for academic and professional tasks, offering features like scanning for information, generating various types of written content, and creative brainstorming.

**Highlights:** Scan and solve academic problems, Generate written content (emails, essays, code), Creative brainstorming and idea generation, Real-time information retrieval, Personalized AI tutor, Content summarization and translation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly premium Subscription | $4.99 | per 7 days |
| Monthly Pro subscription | $7.99 | per month |
| Social_AI_Assistant_Pro | $14.99 | per 3 months |
| Social AI_Premium_Premium | $119.99 | 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 AI Chat free?

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

### Is atrophy free?

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

### Which has better reviews, AI Chat or atrophy?

AI Chat is rated higher. AI Chat averages 5.0 out of 5 from 1 ratings, while atrophy averages 3.7 from 3 ratings.

### Do AI Chat or atrophy have ads?

Neither AI Chat nor atrophy shows ads.

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

AI Chat ships an update every 9 days, and atrophy every 5 days. Most recently, AI Chat was updated on November 3, 2026 and atrophy on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*