# ChessBased: Stockfish 18 — Chess Opening Database: SF 18

> Chess opening analysis database with Stockfish 18 engine evaluations. (iPhone/iPad app by ENVISIONAIRY LLC.)

- Source: https://appshunter.io/ios/app/chessbased-stockfish-18/id6773557320 (this page in markdown: same URL + `.md`)
- Developer: [ENVISIONAIRY LLC](https://appshunter.io/developer/1605281065)
- Category: Games, Education, Board, Strategy
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.6 · 2 MB
- Languages: American English
- Released: 2026-05-29
- Data updated: 2026-08-05
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/chessbased-stockfish-18/id6773557320/reviews.md

## What is ChessBased?

Tired of clunky $500 ChessBase on Windows? ChessBased takes opening analysis to a whole new level. At a glance, users see a seamless UI of openings databases with millions of games, win-loss statistics, and depth 60+ (!!) Stockfish 18 evaluations. That's right. With trillions of positions in the engine database, we did the hard work for you when it comes to looking at evals in your favorite chess openings. Now you can prepare like Magnus Carlsen and Hikaru Nakamura, without having to spend thousands on expensive hardware or heating up your phone like an oven. 

Explore openings move by move, compare master-game trends, review engine-backed recommendations, and save your favorite lines in Lichess-like fashion for later study. ChessBased is built for fast, focused preparation on iPhone and iPad, whether you’re checking a tournament line, building a repertoire, or just curious what a depth 60+, 192 core engine thinks.

Simple UI. Powerful data. Better prep.

## Key features

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

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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



## Frequently asked questions about ChessBased

### What is ChessBased?

ChessBased is a mobile application designed for in-depth chess opening analysis. It provides access to millions of games and uses the powerful Stockfish 18 engine for evaluations, allowing users to prepare like professional players.

### What are the key features of ChessBased?

ChessBased offers a seamless user interface displaying opening databases with millions of games, win-loss statistics, and Stockfish 18 evaluations up to depth 60+. Users can explore openings move by move, compare master game trends, and save favorite lines for study.

### Who is the target audience for ChessBased?

This app is designed for chess players of all levels who want to improve their opening strategy and preparation. It's particularly useful for those looking for a powerful, mobile-friendly alternative to expensive desktop software.

### Does ChessBased have ads?

No, ChessBased is ad-free, ensuring an uninterrupted analysis experience for users.

### What devices does ChessBased support?

ChessBased is available for iPhone and iPad devices, offering a consistent experience across Apple's mobile platforms.

### How does ChessBased compare to ChessBase?

ChessBased aims to provide similar opening analysis capabilities to expensive desktop software like ChessBase, but in a more accessible and user-friendly mobile interface, without the high cost.

### What is the age rating for ChessBased?

ChessBased has an age rating of 4+, making it suitable for a wide range of users interested in chess.

### When was ChessBased last updated?

The latest version of ChessBased, 1.0.2, was last updated on July 23, 2026, indicating recent development and support.

## Version history (last 4 releases)

### 1.0.3 — 2026-07-30

- More fun themes and boards!

### 1.0.2 — 2026-07-23

- Openings practice feature
- Flip board option

### 1.0.1 — 2026-07-06

- Tapping a move will now play a move, allowing users to quickly go through variations rather than always have to tap twice to make moves

### 1.0 — 2026-05-29

No release notes.

## More apps by ENVISIONAIRY LLC

- [ChessPen](https://appshunter.io/ios/app/chesspen/id1605281063)
- [Chessly: Chess Puzzles](https://appshunter.io/ios/app/chessly-chess-puzzles/id6759234053)
- [imp AI](https://appshunter.io/ios/app/imp-ai/id6759437915)
- [SoundStash: Audio Manager](https://appshunter.io/ios/app/soundstash-audio-manager/id6761884066)
- [MBA Prep: 2026 GMAT & EA](https://appshunter.io/ios/app/mba-prep-2026-gmat-and-ea/id6765839297)

All apps by ENVISIONAIRY LLC: https://appshunter.io/developer/1605281065

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-05.*