Comparison

Chess Online vs Sjakki

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

Head to head
About

Chess Online

Master the game of chess with this app. Learn theory, practice tactics, solve puzzles, and compete against AI or friends. Analyze your games to improve your skills and climb the ranks.

Highlights
  • Learn chess theory and strategies
  • Play against friends or AI opponents
  • Solve chess puzzles and master openings
  • AI-powered game analysis
  • Practice tactics and legendary games
Features
Read full description

Play chess online, improve your rating, and learn from your games. Build your skills with lessons, puzzles, computer opponents, and game analysis. PLAY CHESS ONLINE Challenge other players and put your skills to the test. Win games and improve your chess rating. LEARN AT YOUR OWN PACE Explore chess lessons, tactics, and strategy, whether you're learning the basics or building on what you already know. SHARPEN YOUR TACTICS Solve chess puzzles to practice thinking ahead and spotting opportunities on the board. PLAY AGAINST THE COMPUTER Choose from different difficulty levels, from beginner to advanced. Try new ideas or take on a tougher opponent when you're ready. ANALYZE YOUR GAMES Review moves, spot mistakes, and find what to work on next. Turn your games into a guide for your next practice session. EXPLORE OPENINGS AND FAMOUS GAMES Study chess openings and classic games to discover ideas you can use in your own play. PLAY WITH A FRIEND ON ONE DEVICE Share a board in two-player mode. Take turns on the same device and enjoy a game together. Make your next move. Play, learn, and come back to the board with a new idea. Privacy Policy: https://www.wooiko.com/privacy-policy Terms of Use: https://www.wooiko.com/terms-of-use

About

Sjakki

Features
Read full description

Sjakki is Norway's chess club in an app. Everything you need to learn, train and play chess is free. No ads, no paywall. The app is in Norwegian. DAILY PUZZLE One puzzle a day with a shareable emoji result. Build your crown streak and protect it with earned freezes. LEARN WITH MATT The Pawn School takes you from your first pawn move to your first checkmate in 40 lessons, guided by Matt the monkey, who cheers and never scolds. The reference section explains every chess rule with boards you can try, quizzes, the exchange calculator and the six mate patterns everyone should know. PLAY Eight bots from friendly Matt to masterful Vilma the Owl, fully offline. Live games against players across Norway with rating, or friendly games via link and QR. Two players on one board for the kitchen table, and a built-in chess clock for the physical board with Fischer increment and seven time controls. PUZZLES GALORE Themed puzzle training and Puzzle Storm: three minutes against the clock with jungle music and a Norwegian leaderboard. GAME REVIEW Deep analysis of your games, move by move, with brilliancies, blunders and best moves drawn as arrows on the board. Paste any game in PGN format, or connect your chess.com account for statistics and reviews of those games too. Share your games as PGN. FOR SCHOOLS Class codes make Sjakki classroom ready: the teacher creates a class, students join without an account, and the weekly overview shows solved puzzles and XP per student. SAFE FOR KIDS Chat consists of thirty friendly preset phrases and can be hidden entirely. Nothing else can be written. Any game can be reported with one tap. No ads, guest mode without an account, and profiles cannot be searched. Made in Norway by Peter (14) and family. Contact: peter@sjakki.no

Screenshots

Chess Online4 screens
Sjakki4 screens

Verdict

The call

The clearest difference is in-app purchases: Sjakki at none against Chess Online's 2. Sjakki also leads on ads (none vs shown) and update cadence (daily vs every 3 weeks). Chess Online's advantage is iOS requirement (15.0 vs 18.0). On price 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

Both are free to download. Chess Online sells 2 in-app purchases, starting at $2.99 per month. Sjakki asks for nothing beyond the download.

UpkeepUpdate frequency

Chess Online ships an update every 3 weeks, Sjakki daily. Both last shipped on October 31, 2026.

Scorecard4 real differences · 6 level
Chess Online versus Sjakki: the parameters behind the verdict, then further details
ParameterChess OnlineSjakki
PriceFreeFree
Rating4.5 (68 ratings) — better—
Positive reviews71.4% of reviews—
Number of ratings68 — better—
Update frequencyEvery 3 weeksDaily — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size292 MB64 MB
Age rating4+4+
DeveloperWOOIKO LTDTrond Klæboe

In-app purchases

2 purchases

Chess Online

Subscriptions2
  • Monthly Premium$2.991 Month
  • Yearly Subscription$29.991 Year
None

Sjakki

No in-app purchases

Questions

Is Chess Online free?
Chess Online is free to download, with in-app purchases available.
Is Sjakki free?
Sjakki is free to download, with no in-app purchases.
Do Chess Online or Sjakki have ads?
Chess Online shows ads; Sjakki does not.
Which is updated more often, Chess Online or Sjakki?
Chess Online ships an update every 3 weeks, and Sjakki daily. Most recently, Chess Online was updated on October 31, 2026 and Sjakki on October 31, 2026.

Other comparisons