# Stockfish Chess Analysis vs 7Sec Chess

The clearest difference is in-app purchases: 7Sec Chess at none against Stockfish Chess Analysis's 3. 7Sec Chess also leads on update cadence (weekly vs fortnightly). Stockfish Chess Analysis's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Stockfish Chess Analysis sells 3 in-app purchases, starting at $8.99 per 7 days. 7Sec Chess asks for nothing beyond the download.

Stockfish Chess Analysis ships an update fortnightly, 7Sec Chess weekly. The most recent releases landed on October 28, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Stockfish Chess Analysis | 7Sec Chess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (81 ratings)](https://appshunter.io/ios/app/stockfish-chess-analysis/id6744956284/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 120 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krishna Sangeeth KS](https://appshunter.io/developer/1796652653) | [Salih Eksioglu](https://appshunter.io/developer/1633491617) |

## What reviewers say

### Stockfish Chess Analysis

[App page](https://appshunter.io/ios/app/stockfish-chess-analysis/id6744956284)

Analyze chess positions from a photo or by inputting moves. Get AI-powered best move suggestions, learn tactics, and play against the engine with live tips. Ideal for players of all levels looking to improve their game.

**Highlights:** Scan chessboards from photos, AI-powered best move suggestions, Learn new chess tactics, Play against Stockfish engine, Live help and tips during play, Multiple difficulty levels

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $8.99 | per 7 days |
| Monthly Subscription | $17.99 | per month |
| Yearly Subscription | $69.99 | per year |


### 7Sec Chess

[App page](https://appshunter.io/ios/app/7sec-chess/id6754979752)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stockfish Chess Analysis free?

Stockfish Chess Analysis is free to download, with in-app purchases available.

### Is 7Sec Chess free?

7Sec Chess is free to download, with no in-app purchases.

### Do Stockfish Chess Analysis or 7Sec Chess have ads?

7Sec Chess shows ads; Stockfish Chess Analysis does not.

### Which is updated more often, Stockfish Chess Analysis or 7Sec Chess?

Stockfish Chess Analysis ships an update fortnightly, and 7Sec Chess weekly. Most recently, Stockfish Chess Analysis was updated on October 28, 2026 and 7Sec Chess on October 15, 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.*