Comparison

SmallFish Chess for Stockfish vs RD Grid Genius

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 analyze your games, study strategic thinking, and track your progress. It offers detailed game reviews, graphical evaluations, and access to opening books and endgame tablebases. Enjoy a clean interface with features like blunder checking and dark mode support.

Highlights
  • Stockfish chess engine integration
  • Game analysis with comments
  • Graphical game evaluation
  • Blunder checking
  • Opening books and endgame tablebases
  • Import from Chess.com and Lichess
  • Dark mode support
Features
Read full description

SmallFish is a project based on the Stockfish chess engine. It uses the latest Stockfish chess engine (Stockfish 19), 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 - Import from Chess.com and Lichess Why not just download and try it yourself?

About

RD Grid Genius

Features
Read full description

Challenge your brain with this addictive Sudoku puzzle game! Whether you're a beginner or a pro, this app offers the perfect balance of fun and mental exercise. Enjoy a smooth and clean interface designed for the best gameplay experience. With multiple difficulty levels, you can start easy and gradually become a Sudoku master. Features: • Easy, Medium, Hard & Expert levels • Daily challenges to keep you engaged • Clean and user-friendly design • Hints to help when you're stuck • Auto-save your progress • Play anytime, anywhere Train your brain, improve your focus, and relax at the same time. Download now and start solving!

Screenshots

SmallFish Chess for Stockfish4 screens
RD Grid Genius4 screens

Verdict

The call

The clearest difference is price: RD Grid Genius at Free against SmallFish Chess for Stockfish's $4.99. SmallFish Chess for Stockfish's advantage is chart position (#10 vs unranked) and iOS requirement (14.0 vs 26.0). On ads, in-app purchases 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

RD Grid Genius 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.

Scorecard3 real differences · 8 level
SmallFish Chess for Stockfish versus RD Grid Genius: the parameters behind the verdict, then further details
ParameterSmallFish Chess for StockfishRD Grid Genius
Price$4.99Free — better
Rating4.8 (4.5K ratings) — better—
Positive reviews79.1% of reviews—
Number of ratings4.5K — better—
Update frequencyEvery 2 days—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#10 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better26.0
Further details — not scored
Size195 MB8 MB
Age rating4+4+
DeveloperTed WongRaghul S

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

RD Grid Genius

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SmallFish Chess for Stockfish

No in-app purchases

None

RD Grid Genius

No in-app purchases

Questions

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

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