Comparison

Chessify vs 7Sec Chess

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

Head to head
About

Chessify

This app offers advanced chess analysis tools, including a real-time chessboard scanner, powerful cloud-based engines, and a unique video finder. Analyze games, puzzles, and learn chess theory with comprehensive features for players of all levels.

Highlights
  • Real chessboard scanner
  • Superfast cloud chess engine analysis
  • Video finder for chess positions
  • Offline play against Stockfish
  • Opening Explorer with Lichess database
  • Import/export FEN/PGN
  • Online real-time Blitz
Features
Read full description

Chessify is an all-in-one chess platform built for players who want to improve with professional-level chess tools. Analyze with powerful cloud engines running on servers up to 1024 threads and 1 Billion NPS speed, explore databases of 12 million+ professional games, scan real chessboards and books, prepare openings, and review games from anywhere. Features that once required heavy desktop software are now available in a single mobile app designed for players of all levels. Whether you’re solving puzzles, training openings, or analyzing tournament games, Chessify combines advanced chess tools into one fast and easy-to-use experience. Features: - Powerful Cloud Engine Analysis Analyze with Stockfish 18, Lc0, Berserk, Caissa, Crystal, Patricia, Viridithas, AsmFish, ShashChess, Koivisto, RubiChess, and Sugar AI chess engines on cloud servers with up to 1024 threads, reaching up to 1BN/s speed. - Mega Database Search through 10 million+ professional FIDE-rated games with move statistics, player ratings, and opening trends. - Correspondence Chess Database Study the 2 Million+ official ICCF database games played with deep engine-assisted preparation. - Scan 2D & 3D Chessboards Scan real boards and diagrams from books or screens with high accuracy and instantly analyze the position with Stockfish 18. - Chess PDF Scanner Import chess PDF books and scan positions directly from pages for quick analysis and study. - Play Against Stockfish Challenge one of the world’s strongest chess engines with adjustable strength settings. Play from initial or any given position. - PGN & Move Notation Create analysis files with multiple variations and comments or import your existing files and review them with your phone at any time. - Save Games & Analysis Store your games, analysis, and studies locally or in the cloud and access them anytime. - Import, Export, and Share PGN/FEN Easily import your games or export positions and analysis to share with chess friends or students. Whether you’re a beginner, club player, coach, or grandmaster, Chessify provides powerful analysis and training tools for every stage of your chess journey. Privacy Policy: https://chessify.me/privacy-policy Terms of Use / End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

7Sec Chess

Features
Read full description

Get ready for the most intense chess experience ever! In 7Sec Chess, every move must be made within 7 seconds — test your focus, speed, and strategy like never before. Play online with real players or offline against AI, and prove your mastery in lightning-fast matches! Features: • Classic chess with a 7-second move timer • 20.000+ more Mate in One Move Challenges • Online multiplayer with ranked matches • Real-time check and checkmate animations • Smooth, modern board design with realistic pieces • Local statistics tracking (Wins, Losses, Streaks, Win %) Can you stay calm when the clock is ticking? Challenge your mind and climb the ranks to become the fastest chess master!

Screenshots

Chessify4 screens
7Sec Chess4 screens

Verdict

The call

The clearest difference is in-app purchases: 7Sec Chess at none against Chessify's 15. 7Sec Chess also leads on update cadence (weekly vs monthly). Chessify's advantage is ads (none vs shown). On price, 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

Both are free to download. Chessify sells 15 in-app purchases, starting at $0.99 per month. 7Sec Chess asks for nothing beyond the download.

UpkeepUpdate frequency

Chessify ships an update monthly, 7Sec Chess weekly. The most recent releases landed on September 24, 2026 and May 18, 2026 respectively.

Scorecard3 real differences · 7 level
Chessify versus 7Sec Chess: the parameters behind the verdict, then further details
ParameterChessify7Sec Chess
PriceFreeFree
Rating4.4 (397 ratings) — better—
Positive reviews46.2% of reviews—
Number of ratings397 — better—
Update frequencyMonthlyWeekly — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size139 MB120 MB
Age rating4+4+
DeveloperChessify Inc.Salih Eksioglu

Bugs and requests

Chessify

Reported bugs

12 issues
  • Black screen in camera view during scanning
  • Scanning omits first or last rank of board
  • App crashes when loading images
  • Buttons not clickable on certain iOS versions
  • Position not recognized from screenshots
Show 7 more
  • App closes immediately after opening
  • Board rotation lock resets to landscape
  • Analysis not visible unless switching apps
  • Scanning fails 3 out of 5 times
  • Subscription billing issues (wrong tier shown)
  • App doesn't load past starting screen
  • Photo library order reversed for board photos

Requested features

12 requests
  • Add move comments and annotations capability
  • Board flip option during gameplay
  • Auto-save functionality to prevent position loss
  • Ability to edit and extend saved games
  • Tactics puzzle mode with move verification
Show 7 more
  • Automatic analysis on position scan
  • Lc0 engine option
  • iPad version support
  • Lichess app integration
  • Move sound toggle persistence
  • Better indication of which side has advantage
  • Depth control for analysis (stop at specific depth)

7Sec Chess

Not enough reviews yet to summarise bugs or requests.

In-app purchases

15 purchases

Chessify

Subscriptions10
  • Bronze 1 Month$0.991 Month
  • Silver 1 month$2.491 Month
  • Gold 1 Month$7.991 Month
Show 7 more
  • Bronze 12 months$7.991 Year
  • Amateur$12.991 Month
  • Silver 12 months$14.991 Year
  • Gold 12 months$49.991 Year
  • Master$59.991 Month
  • Amateur Yearly$129.991 Year
  • Master$559.991 Year
One-time5
  • SuperFast analysis - 1000 sec.$0.99
  • SuperFast analysis - 10000sec.$3.99
  • SuperFast analysis - 30000sec.$5.99
Show 2 more
  • SuperFast analysis - 100000sec$13.99
  • SuperFast analysis - unlimited$34.99
None

7Sec Chess

No in-app purchases

Questions

Is Chessify free?
Chessify is free to download, with in-app purchases available.
Is 7Sec Chess free?
7Sec Chess is free to download, with no in-app purchases.
Do Chessify or 7Sec Chess have ads?
7Sec Chess shows ads; Chessify does not.
Which is updated more often, Chessify or 7Sec Chess?
Chessify ships an update monthly, and 7Sec Chess weekly. Most recently, Chessify was updated on September 24, 2026 and 7Sec Chess on May 18, 2026.

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