Comparison

Deep Green vs Chess Mastery Analysis & Train

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

Head to head
About

Deep Green

This app provides a classical chess experience with a clean, native interface and customizable piece designs. It supports open game formats, offers a unique chess engine with adjustable strength, and features a private, ad-free environment.

Highlights
  • Clean, native user interface
  • Customizable chess piece designs
  • Open game format (PGN/FEN)
  • Adjustable strength chess engine
  • Private and ad-free experience
  • System-level integration
Read full description

A no-nonsense classical chess app. - CLEAN UI: Deep Green offers a distraction-free experience in a clean, native user interface, with Liquid Glass on iOS 26 and later. - CUSTOM PIECE DESIGN: Beautiful chess set designed specifically for Deep Green and rendered at high resolution in both outline and 3D throughout the app. - MADE FOR IPAD: Dedicated menu bar, multiple windows, and refined trackpad, mouse, and Apple Pencil support. Squares highlight as you hover over the board. - MADE FOR IPHONE DUO: Adapts to both displays and every pose. The board centers on the fold like a folding chess board, and the game controls follow the system into the vertical bar. - TIGHT SYSTEM INTEGRATION: System-level sharing, drag and drop, AirDrop, undo/redo, contextual menus, Quick Look previews of chess files, Dark Mode, high contrast support and more. - OPEN GAME FORMAT: Games can be shared, saved, copied, pasted, imported, exported in the ubiquitous, open source PGN and FEN formats. Deep Green can open chess files straight from the Files app. - UNIQUE CHESS ENGINE: Enjoyable opponent with adjustable strength, praised for its humane gameplay, developed for Deep Green on the Apple Newton more than 25 years ago. - TWEAKABLE APPEARANCE: Engage the knights in the game by having them turn towards the center of the board, apply a humane, slightly random placement of the pieces. - IN YOUR LANGUAGE: Available in English, German, and Danish. - MODERN ARCHITECTURE: Written in Swift as a fully native app – modern, maintainable, and prepared for the future. - PRIVATE, AD-FREE: No ads, no tracking, no analytics, no nonsense. If you like Deep Green, please rate it favorably on the App Store.

About

Chess Mastery Analysis & Train

This app helps you improve your chess strategy by predicting advantage in positions and comparing your guesses with machine analysis. It offers an educational and entertaining way to learn new tactics and master challenging games.

Highlights
  • Predict chess position advantage
  • Compare guesses with machine analysis
  • Learn new chess strategies
  • Test skills with hard mode
  • User-friendly interface
Read full description

# *Strategy-Based Guesses:* Make accurate predictions about which side holds the advantage in chess positions. # *Educational and Entertaining:* Have fun while increasing your chess knowledge and discovering new strategies. # *Machine Analysis Verification:* Make your guesses and compare them with machine analysis to enhance your strategic skills. # *Hard Mode:* Attempt to guess the analysis score of the Chess Engine and put your skills to the test. # *User-Friendly Interface:* Carefully designed interface for easy navigation and usage. Test your mental sharpness and chess skills with Chess Guess. Master challenging positions and elevate your game to a new level in the world of chess! # Legal Terms of Service: https://www.ozanozcelik.net/termsofservice.html Privacy Policy: https://www.ozanozcelik.net/privacy-policy.html

Screenshots

Deep Green4 screens
Chess Mastery Analysis & Train4 screens

Verdict

The call

The clearest difference is monetization model: Chess Mastery Analysis & Train at free against Deep Green's paid. Chess Mastery Analysis & Train also leads on review sentiment (100% vs 66%). On price, update cadence, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Deep Green ships an update every 4 months, Chess Mastery Analysis & Train every 5 months. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
Deep Green versus Chess Mastery Analysis & Train: the parameters behind the verdict, then further details
ParameterDeep GreenChess Mastery Analysis & Train
PriceFreeFree
Rating3.9 (76 ratings) — better—
Positive reviews66.0% of reviews100.0% of reviews — better
Number of ratings76 — better—
Update frequencyEvery 4 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better17.0
Further details — not scored
Size24 MB4 MB
Age rating4+4+
DeveloperCocoa StuffOzan Ozcelik

Customer experience

Deep Green

All ratings76 ratings
Positive71.1%
Neutral5.3%
Negative23.7%
Written reviews212 reviews
Positive66.0%
Neutral9.9%
Negative24.1%

Chess Mastery Analysis & Train

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Deep Green

Reported bugs

4 issues
  • App crashes when promoting pawns
  • Board orientation issues when rotating device
  • Unresponsive UI elements
  • Compatibility problems with newer iOS versions

Requested features

5 requests
  • Game saving and loading functionality
  • Online/multiplayer mode
  • Customizable board/piece themes
  • Difficulty settings for beginners
  • Indicators for check, checkmate, and draw

Chess Mastery Analysis & Train

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Deep Green

No in-app purchases

None

Chess Mastery Analysis & Train

No in-app purchases

Questions

Is Deep Green free?
Deep Green is free to download, with no in-app purchases.
Is Chess Mastery Analysis & Train free?
Chess Mastery Analysis & Train is free to download, with no in-app purchases.
Do Deep Green or Chess Mastery Analysis & Train have ads?
Neither Deep Green nor Chess Mastery Analysis & Train shows ads.
Which is updated more often, Deep Green or Chess Mastery Analysis & Train?
Deep Green ships an update every 4 months, and Chess Mastery Analysis & Train every 5 months. Most recently, Deep Green was updated on October 18, 2026 and Chess Mastery Analysis & Train on October 4, 2026.

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