Comparison

ChessBased vs Stockfish 19 Chess Engine

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

ChessBased

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
Read full description

Now with Stockfish 19!! The only chess app with the strongest chess player on the planet in your pocket. ChessBased:Stockfish 19 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 19 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. 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 engine. Better prep.

About

Stockfish 19 Chess Engine

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
Currently charting
Read full description

Play chess against Stockfish, one of the world's strongest chess engines. Enjoy a simple and focused chess experience designed for players who want to challenge a powerful AI opponent without unnecessary features. PLAY AGAINST STOCKFISH Challenge the Stockfish chess engine and test your chess skills against the computer. Choose whether you or Stockfish plays as White or Black. PLAY OFFLINE Play chess without an internet connection. No online account is required to play against the Stockfish engine. SIMPLE CHESS EXPERIENCE Open the app, choose your side, and start playing. FEATURES * Stockfish chess engine * Play against AI * Offline chess gameplay * No account required Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy : https://sites.google.com/view/stockfish-chess-privacy/home

Screenshots

ChessBased3 screens
Stockfish 19 Chess Engine4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard8 real differences · 3 level
ChessBased versus Stockfish 19 Chess Engine: the parameters behind the verdict, then further details
ParameterChessBasedStockfish 19 Chess Engine
PriceFree — better$4.99
Rating4.0 (1 ratings) — better3.0 (1 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings11
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank—#198 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size2 MB126 MB
Age rating4+4+
DeveloperENVISIONAIRY LLCIshrak khan

Customer experience

ChessBased

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Stockfish 19 Chess Engine

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

1 purchases

ChessBased

One-time1
  • ChessBased: Stockfish 18$4.99
None

Stockfish 19 Chess Engine

No in-app purchases

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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