# ChessBased vs Stockfish 19 Chess Engine

The clearest difference is review sentiment: ChessBased at 100% against Stockfish 19 Chess Engine's 0%. ChessBased also leads on price (Free vs $4.99) and rating (4.0 vs 3.0). Stockfish 19 Chess Engine's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 2 weeks). On ratings volume, ads and device support there is nothing between them.

ChessBased is free to download; Stockfish 19 Chess Engine costs $4.99 up front. ChessBased sells 1 one-off in-app purchase. Stockfish 19 Chess Engine asks for nothing beyond the download.

ChessBased holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 100% of ChessBased's written reviews are positive against 0% of Stockfish 19 Chess Engine's.

ChessBased ships an update every 2 weeks, Stockfish 19 Chess Engine every 5 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ChessBased | Stockfish 19 Chess Engine |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/chessbased-stockfish-19/id6773557320/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/stockfish-19-chess-engine/id6813605429/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#198** |
| Size | 2 MB | 126 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ENVISIONAIRY LLC](https://appshunter.io/developer/1605281065) | [Ishrak khan](https://appshunter.io/developer/1864160195) |

## What reviewers say

### ChessBased

[App page](https://appshunter.io/ios/app/chessbased-stockfish-19/id6773557320)

Analyze chess openings with millions of games and advanced engine evaluations. Prepare like a grandmaster with a seamless interface, win-loss statistics, and move-by-move exploration. Save your favorite lines for later study on your iPhone or iPad.

**Highlights:** Millions of games database, Stockfish 18 engine evaluations, Win-loss statistics, Move-by-move exploration, Save favorite lines, Seamless UI

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessBased: Stockfish 18 | $4.99 | one-time |


### Stockfish 19 Chess Engine

[App page](https://appshunter.io/ios/app/stockfish-19-chess-engine/id6813605429)

**Currently charting:** #198 Top Paid · Board (US App Store)

Engage in a straightforward chess experience against a top-tier AI. This application allows you to play offline without needing an account, offering a pure challenge against a powerful engine.

**Highlights:** Play against Stockfish AI, Offline chess gameplay, No account required, Choose your side (White/Black), Simple interface

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

**In-app purchases:** none


## Frequently asked questions

### Is ChessBased free?

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

### Is Stockfish 19 Chess Engine free?

Stockfish 19 Chess Engine costs $4.99, with no in-app purchases.

### Which has better reviews, ChessBased or Stockfish 19 Chess Engine?

ChessBased is rated higher. ChessBased averages 4.0 out of 5 from 1 ratings, while Stockfish 19 Chess Engine averages 3.0 from 1 ratings.

### Do ChessBased or Stockfish 19 Chess Engine have ads?

Neither ChessBased nor Stockfish 19 Chess Engine shows ads.

### Which is updated more often, ChessBased or Stockfish 19 Chess Engine?

ChessBased ships an update every 2 weeks, and Stockfish 19 Chess Engine every 5 days. Most recently, ChessBased was updated on October 31, 2026 and Stockfish 19 Chess Engine on November 6, 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.*