Comparison

Split Clock vs SUDOKUUU

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

Head to head
About

Split Clock

This app functions as a versatile timer for various board games, including chess, Go, and Scrabble. It offers precise time measurement with customizable settings and multiple game modes like delays, bonuses, and forward counting. Enjoy an ad-free experience with adjustable layouts and sound effects.

Highlights
  • Multiple game modes (delay, bonus, forward counting)
  • Accurate and precise time measurement
  • Customizable layouts and color
  • Adjustable touch sensitivity
  • Hourglass and unlimited time modes
  • Ad-free and data-private
Read full description

The app is primarily for chess players, but not only for them. It can be used in the traditional simple way or with several types of time delays. Official and exact tournament rules, or for board games in specific game modes. It also has an hourglass and many other time modes, the possibilities are not limited to chess, you can use it for Go, Scrabble, Shogi and any board or skill game. Provides players with extremely accurate and precise time measurement thanks to special built-in algorithms and freely adjustable touch sensitivity. Useful settings make it easy to customise the game mode, and almost everything you need is there. It can be used in two layouts, the counter can be placed anywhere on the screen, the player can rotate its view and change its colour freely. The clicks and other events have very nice effects and sounds that you can also adjust so that they don't disturb you accidentally. Game modes: Basic chess - Standard chess clock with the usual operation, the clock timer counts down to zero. US delay - Simple delay, after each step the lap time is reset. If the lap time is exceeded, it is reduced from the main time. Bronstein delay - If a player expends more than the specified delay then the entire delay is added to the player's clock, but if a player moves faster than the delay, only the exact amount of time expended by the player is added. Fischer bonus - A specified amount of time is added to the players main time each move, unless the player's main time ran out before they completed their move. Forward counting - Time runs incrementally from the initial value until the set limit is reached. Also known as a reverse chess clock. Unlimited - Time passes incrementally from the initial value, but there is no limitation, the game can go on for as long as you like. Free to touch - The clock counts for the player who has just pressed it. Opposite logic to the chess clock and no time limit. Round based - When the round time runs out, the other player is next. Time limit is fixed for each round. Hourglass - All time spent goes to the opposite player. When the time runs out, the game is over. The app is completely free, ad-free and does not collect any data about you.

About

SUDOKUUU

Engage your mind with a comprehensive Sudoku puzzle experience. Offers multiple difficulty levels, intelligent assistance tools, and competitive features like leaderboards and achievements. Customize your play with themes and language options.

Highlights
  • Six unlockable difficulty levels
  • Note mode and mistake detection
  • AI-powered hint system
  • Game Center integration
  • Global leaderboards and achievements
  • Light/dark themes and language support
Features
Read full description

Sudoku Game is a polished, feature-rich puzzle app crafted for logic enthusiasts and competitive minds alike. Challenge yourself across six unlockable difficulty levels — from Easy to Nightmare — each designed to sharpen your skills. Use note mode, undo, smart highlights, mistake detection, and our advanced hint system with AI-powered guidance and post-game analysis to reflect and improve. Track your progress through a rewarding point system and collect beautiful 3D-animated badges as you grow. Thanks to full Game Center integration, you can unlock achievements and climb global leaderboards — test your Sudoku mastery against players worldwide. Customize your experience with light/dark themes, app icon variations, haptic feedback, and support for six languages. Premium users can enjoy iCloud sync, unlimited game history, calendar views, and advanced filtering. Whether you play for fun or for glory, this is the ultimate Sudoku experience. Start solving, start climbing!

Screenshots

Split Clock4 screens
SUDOKUUU4 screens

Verdict

The call

The clearest difference is in-app purchases: Split Clock at none against SUDOKUUU's 2. SUDOKUUU's advantage is update cadence (daily vs weekly). On price, ads, 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. SUDOKUUU sells 2 one-off in-app purchases. Split Clock asks for nothing beyond the download.

UpkeepUpdate frequency

Split Clock ships an update weekly, SUDOKUUU daily. The most recent releases landed on October 6, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 7 level
Split Clock versus SUDOKUUU: the parameters behind the verdict, then further details
ParameterSplit ClockSUDOKUUU
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—2 — better
Update frequencyWeeklyDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size2 MB10 MB
Age rating4+4+
DeveloperSzerencses GaborHIROMOTO TSUJI

Customer experience

Split Clock

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SUDOKUUU

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Split Clock

No in-app purchases

2 purchases

SUDOKUUU

One-time2
  • Coffee Tip$1.99
  • Sudoku Premium$2.99

Questions

Is Split Clock free?
Split Clock is free to download, with no in-app purchases.
Is SUDOKUUU free?
SUDOKUUU is free to download, with in-app purchases available.
Do Split Clock or SUDOKUUU have ads?
Neither Split Clock nor SUDOKUUU shows ads.
Which is updated more often, Split Clock or SUDOKUUU?
Split Clock ships an update weekly, and SUDOKUUU daily. Most recently, Split Clock was updated on October 6, 2026 and SUDOKUUU on September 29, 2026.

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