Comparison

SmallFish Chess for Stockfish vs Button Run

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

Head to head
About

SmallFish Chess for Stockfish

This app leverages the powerful Stockfish chess engine to help you improve your game. Analyze your matches with detailed comments, study the engine's thought process, and track your progress. It offers advanced features like blunder checking and graphical evaluations without any ads or in-app purchases.

Highlights
  • Blunder checking
  • Multiple line analysis
  • Graphical game evaluation
  • Game previews
  • Dark mode support
  • Endgame tablebase
  • Opening books
Features
Read full description

SmallFish is a project based on the Stockfish chess engine. It uses the latest Stockfish chess engine (Stockfish 18.0), rated about Elo 3600+ and is the strongest chess app on the App Store. SmallFish offers you three distinct ways to improve your game. You can review your game with comments, or study how Stockfish thinks, or track your progress. No in-app purchase, no ads, no data tracking. SmallFish is simply amazing. It's small but powerful, you'll be surprised. Features --------- - Blunder checking - Multiple line analysis - Graphical evaluation of your game - Game previews - Dark mode support - Endgame tablebase - Opening books Why not just download and try it yourself?

About

Button Run

Features
Read full description

Button Run is a one-button timing game about nerve, rhythm, and clean escapes. Your runner moves automatically. You get a tiny phase window. Tap at the right moment to pass through lasers, crushers, gates, and risky token routes without breaking stride. Every room is short, readable, and built around one clear decision: wait, trust the timing, and press. Features: - One-tap arcade timing with instant restarts - Fast handcrafted rooms plus a long deterministic campaign - Phase routes, risk tokens, perfect clears, and medal goals - Clean neon lab visuals with readable hazards and a tactile phase button - Offline single-player play with no account, ads, or tracking Button Run is built for players who want compact skill tests, satisfying retries, and one-more-room momentum.

Screenshots

SmallFish Chess for Stockfish4 screens
Button Run4 screens

Verdict

The call

The clearest difference is price: Button Run at Free against SmallFish Chess for Stockfish's $4.99. SmallFish Chess for Stockfish's advantage is chart position (#16 vs unranked). On ads, in-app purchases, device support and iOS requirement 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

Button Run is free to download; SmallFish Chess for Stockfish costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 9 level
SmallFish Chess for Stockfish versus Button Run: the parameters behind the verdict, then further details
ParameterSmallFish Chess for StockfishButton Run
Price$4.99Free — better
Rating4.8 (4.5K ratings) — better—
Positive reviews79.0% of reviews—
Number of ratings4.5K — better—
Update frequencyEvery 8 days—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
Best chart rank#16 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size208 MB69 MB
Age rating4+4+
DeveloperTed WongAdem Guclu

Bugs and requests

SmallFish Chess for Stockfish

Reported bugs

4 issues
  • Crashes when setting up positions
  • Incorrect move suggestions and engine evaluations
  • Freezing and unresponsiveness during gameplay
  • Issues with board and coordinate display alignment

Requested features

5 requests
  • Add support for variations and multiple analysis lines
  • Implement a two-player mode with piece flipping
  • Add PGN file sorting, searching, and folder support
  • Provide an option to hide the board and show captured pieces
  • Integrate with chess.com and other platforms

Button Run

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SmallFish Chess for Stockfish

No in-app purchases

None

Button Run

No in-app purchases

Questions

Is SmallFish Chess for Stockfish free?
SmallFish Chess for Stockfish costs $4.99, with no in-app purchases.
Is Button Run free?
Button Run is free to download, with no in-app purchases.
Do SmallFish Chess for Stockfish or Button Run have ads?
Neither SmallFish Chess for Stockfish nor Button Run shows ads.

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