# atrophy vs Silvia AI

The clearest difference is rating: atrophy at 3.7 against Silvia AI's 1.0. Silvia AI's advantage is in-app purchases (none vs 2) and update cadence (daily vs every 5 days). On price, ratings volume, ads and iOS requirement there is nothing between them.

Both are free to download. atrophy sells 2 in-app purchases, starting at $4.99 per month. Silvia AI asks for nothing beyond the download.

atrophy holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

atrophy ships an update every 5 days, Silvia AI daily. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | atrophy | Silvia AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/atrophy/id6765778979/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/silvia-ai/id6790340491/reviews) |
| Number of ratings | **3** | 2 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Freemium | **Free** |
| Size | 11 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Graham Annett](https://appshunter.io/developer/1896070977) | [James Silvia](https://appshunter.io/developer/6788970603) |

## What reviewers say

### 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 |


### Silvia AI

[App page](https://appshunter.io/ios/app/silvia-ai/id6790340491)

This AI chat studio assists with various tasks including writing, coding, research, and creative projects. It offers smart model routing, file and image analysis, voice input, and polished chat history management. An internet connection is required for AI responses.

**Highlights:** Smart model routing, Text generation and explanation, File and image analysis, Image generation from text, Voice input, Polished chat history

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is atrophy free?

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

### Is Silvia AI free?

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

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

atrophy is rated higher. atrophy averages 3.7 out of 5 from 3 ratings, while Silvia AI averages 1.0 from 2 ratings.

### Do atrophy or Silvia AI have ads?

Neither atrophy nor Silvia AI shows ads.

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

atrophy ships an update every 5 days, and Silvia AI daily. Most recently, atrophy was updated on October 7, 2026 and Silvia AI on October 25, 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.*