Comparison

Deep Green vs Chess Log

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 Log

Catalog, organize, and analyze your chess games with a clean interface. Save and annotate moves, explore openings, and get move suggestions to improve your play. Elevate your chess strategy with powerful analytical tools.

Highlights
  • Game catalog and organization
  • Detailed move annotation
  • Opening explorer
  • Move suggestions
  • PGN editor
Read full description

The ultimate chess game tracker, analyzer, and PGN editor. Easily catalog, organize, and analyze your chess games with a clean, intuitive interface. Save every game, tag key moments and revisit your moves to track improvement. Whether studying openings, mastering endgames or refining tactics, Chess Log provides powerful tools to elevate your game. Key features: - Game Catalog: Store and organize all your games in one place. - Detailed Annotation: Tag and annotate moves. - Opening Explorer: Compare your moves to peers and masters alike. - Move Suggestions: See top moves and find out where you or your opponent went wrong.

Screenshots

Deep Green4 screens
Chess Log4 screens

Verdict

The call

The clearest difference is monetization model: Chess Log at free against Deep Green's paid. Chess Log also leads on review sentiment (100% vs 66%) and update cadence (every 6 weeks vs every 4 months). Deep Green's advantage is ratings volume (76 vs 1). On price, rating, 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.9 for Deep Green against 4.0 for Chess Log. That said, the two scores are not equally well evidenced: Deep Green has 76 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 66% of Deep Green's written reviews are positive against 100% of Chess Log's.

UpkeepUpdate frequency

Deep Green ships an update every 4 months, Chess Log every 6 weeks. The most recent releases landed on October 14, 2026 and September 22, 2026 respectively.

Scorecard4 real differences · 6 level
Deep Green versus Chess Log: the parameters behind the verdict, then further details
ParameterDeep GreenChess Log
PriceFreeFree
Rating3.9 (76 ratings)4.0 (1 ratings) — better
Positive reviews66.0% of reviews100.0% of reviews — better
Number of ratings76 — better1
Update frequencyEvery 4 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.0
Further details — not scored
Size24 MB198 MB
Age rating4+4+
DeveloperCocoa StuffLuis De Zutter

Customer experience

Deep Green

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

Chess Log

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

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Deep Green

No in-app purchases

None

Chess Log

No in-app purchases

Questions

Is Deep Green free?
Deep Green is free to download, with no in-app purchases.
Is Chess Log free?
Chess Log is free to download, with no in-app purchases.
Which has better reviews, Deep Green or Chess Log?
Chess Log is rated higher. Deep Green averages 3.9 out of 5 from 76 ratings, while Chess Log averages 4.0 from 1 ratings.
Do Deep Green or Chess Log have ads?
Neither Deep Green nor Chess Log shows ads.
Which is updated more often, Deep Green or Chess Log?
Deep Green ships an update every 4 months, and Chess Log every 6 weeks. Most recently, Deep Green was updated on October 14, 2026 and Chess Log on September 22, 2026.

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