Comparison

Chess Engine vs ChessWOW Stockfish 19 Analysis

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

Head to head
About

Chess Engine

Instantly analyze any chess board by scanning it to find the best next move. This tool uses advanced AI and a powerful chess engine to help you study, train, and improve your game. Digitize diagrams from books or review tournament games with confidence.

Highlights
  • Scan physical or digital chess boards
  • Instantly find the next best move
  • AI board recognition
  • Stockfish engine analysis
  • Digitize diagrams from books
  • Save and export to FEN/PGN
Features
Read full description

Capture any physical or digital chess board and instantly find the NEXT BEST MOVE. No more manual entry. No more guessing. Just scan, solve, and win. Stop wondering what you missed and start understanding why. ▶ Why Use ChessFox: Whether you are reading a chess book, playing a friend at a park, or reviewing a tournament game, ChessFox uses stockfish to "see" the board and provide instantly the next best move. - Total Confidence in Every Game: Never feel lost in a position again. Get the clarity of a 3500+ ELO engine analyzing your specific real-world setup. - Study Smarter, Not Harder: Instantly digitize diagrams from books or newspapers. Spend your time learning the theory, not setting up the pieces. - The Perfect Training Partner: Carry a Grandmaster in your pocket. Get hints, find blunders, and explore "what-if" scenarios on the fly. ▶ What Sets ChessFox Apart: - Board Recognition: Our AI identifies pieces and positions from any chess board. - Deep Engine Analysis: Powered by Stockfish, the world’s strongest chess engine, for precision accuracy. - Save & Export: Instantly convert scans to FEN or PGN to share with coaches or export to your favorite analysis tools. JOIN THOUSANDS OF IMPROVING PLAYERS From casual hobbyists to dedicated club players, ChessFox is the essential tool for anyone serious about improving their game. Stop playing in the dark and start seeing the board with total clarity. Download ChessFox now and find your next winning move. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ChessWOW Stockfish 19 Analysis

Analyze chess games and positions using the powerful Stockfish 19 engine directly on your device. Import from screenshots, photos, or PGN/FEN files, then explore variations and game reports. Play against the engine or save your games offline.

Highlights
  • Stockfish 19 analysis engine
  • Import from screenshots and photos
  • PGN and FEN import
  • Offline analysis and play
  • Game library
  • Play against Stockfish
Features
Read full description

ChessWOW analyses chess positions and games with Stockfish 19 on your iPhone or iPad. Import a position from a Chess.com or Lichess screenshot, or take a photo of a chess diagram on a screen. Recognition runs on your device. Adjust the board corners, check the pieces and select the side to move. You can edit the recognised position before analysing it. Import games as PGN or positions as FEN, or set up a position yourself. Explore evaluations and variations, compare alternative moves and examine critical moments in a game report. Keep your games in the library or play against Stockfish. Chess calculations run locally and can work offline. Online imports, loading purchase offers, purchases and restoring purchases require an internet connection. Using ChessWOW requires ChessWOW Pro: an auto-renewing subscription (weekly, monthly or yearly, with a free trial depending on the offer) or a lifetime one-time purchase. Prices and periods are shown before purchase. Subscriptions can be cancelled anytime in your Apple subscriptions. Privacy: https://chesswow.app/privacy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Chess Engine4 screens
ChessWOW Stockfish 19 Analysis4 screens

Verdict

The call

The clearest difference is rating: Chess Engine at 5.0 against ChessWOW Stockfish 19 Analysis's 3.0. Chess Engine also leads on monetization model (free with in-app purchases vs subscription). ChessWOW Stockfish 19 Analysis's advantage is update cadence (daily vs every 5 days). On price, ratings volume, ads and in-app purchases 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

Both are free to download. Chess Engine sells 5 in-app purchases, starting at $2.99 per month and ChessWOW Stockfish 19 Analysis sells 6 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Chess Engine holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

Chess Engine ships an update every 5 days, ChessWOW Stockfish 19 Analysis daily. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 7 level
Chess Engine versus ChessWOW Stockfish 19 Analysis: the parameters behind the verdict, then further details
ParameterChess EngineChessWOW Stockfish 19 Analysis
PriceFreeFree
Rating5.0 (2 ratings) — better3.0 (2 ratings)
Positive reviews—33.3% of reviews
Number of ratings22
Update frequencyEvery 5 daysDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size179 MB131 MB
Age rating4+4+
DeveloperAbdullah AnwarBtechnology GmbH

Customer experience

Chess Engine

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ChessWOW Stockfish 19 Analysis

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

5 purchases

Chess Engine

Subscriptions4
  • ChessFox Pro Monthly$2.991 Month
  • ChessScan Pro Weekly7 Days trial$4.997 Days
  • ChessFox Pro Weekly$4.997 Days
Show 1 more
  • ChessFox Pro Yearly$14.991 Year
One-time1
  • ChessFox Pro Lifetime$49.99
6 purchases

ChessWOW Stockfish 19 Analysis

Subscriptions5
  • ChessWOW Pro7 Days trial$9.997 Days
  • ChessWOW Pro3 Days trial$9.997 Days
  • ChessWOW Pro1 Month trial$15.991 Month
Show 2 more
  • ChessWOW Pro3 Days trial$15.991 Month
  • ChessWOW Pro3 Days trial$45.991 Year
One-time1
  • ChessWOW Pro Lifetime$79.99

Questions

Is Chess Engine free?
Chess Engine is free to download, with in-app purchases available.
Is ChessWOW Stockfish 19 Analysis free?
ChessWOW Stockfish 19 Analysis is free to download, with in-app purchases available.
Which has better reviews, Chess Engine or ChessWOW Stockfish 19 Analysis?
Chess Engine is rated higher. Chess Engine averages 5.0 out of 5 from 2 ratings, while ChessWOW Stockfish 19 Analysis averages 3.0 from 2 ratings.
Do Chess Engine or ChessWOW Stockfish 19 Analysis have ads?
Neither Chess Engine nor ChessWOW Stockfish 19 Analysis shows ads.
Which is updated more often, Chess Engine or ChessWOW Stockfish 19 Analysis?
Chess Engine ships an update every 5 days, and ChessWOW Stockfish 19 Analysis daily. Most recently, Chess Engine was updated on November 5, 2026 and ChessWOW Stockfish 19 Analysis on November 6, 2026.

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