Comparison

Killer Sudoku by Sudoku.com vs Splurt

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

Head to head
About

Killer Sudoku by Sudoku.com

Engage your mind with this number puzzle game, offering thousands of levels and daily challenges. It provides a unique twist on classic sudoku with cage-based sum puzzles, suitable for all skill levels. Hints and notes are available to help you master the game.

Highlights
  • Thousands of Killer Sudoku levels
  • Daily challenges with unique trophies
  • Seasonal events for special medals
  • Hints and notes for assistance
  • Enhanced gameplay for all skill levels
  • Brain-training puzzles
Features
Read full description

Enjoy an engaging Killer Sudoku experience! Jump into enhanced gameplay, solve tons of puzzles, train your brain, and have fun! Discover the new brain-training puzzle from the developer of Sudoku.com! Killer Sudoku by Sudoku.com is great for both beginners and advanced players. Although Killer Sudoku is harder than classic sudoku, we made it accessible for players of all skill levels. With its enhanced gameplay, it's easy to follow the game rules and become a sudoku master in no time. Explore Killer Sudoku and discover a refreshing take on the classic paper-and-pencil sudoku puzzle. What you get: * Killer Sudoku puzzles to expand your sudoku experience. * Thousands of levels to solve. * Daily challenges to win unique trophies. * Seasonal events to get unique medals. * Hints and notes to guide you when you get stuck. * Tons of gameplay to challenge your brain. * New game from a top developer! How to play: * Fill all rows, columns, and 3x3 regions with numbers exactly like classic sudoku. * Every cell is part of a cage, indicated by dotted lines. * Make sure the cells can be added up to the sum in the upper left corner of the cage. * The sum of all numbers of each 3x3 region, row or column always equals to 45. * Numbers cannot repeat within cages, a single row, column, or 3x3 region. Dive into the world of Killer Sudoku! Play anywhere, anytime!

About

Splurt

A fast-paced word game where you must find words that fit both a given question and a specific rule. It offers multiple game modes, from relaxed pace to timed challenges and team play, ensuring endless replayability with unique combinations.

Highlights
  • Hundreds of unique question/rule combinations
  • Classic, Speed, Survival, Team, and Daily Challenge modes
  • Tracks progress and statistics
  • Multiple answer possibilities
  • Variety of rule types
Features
Read full description

About Splurt Splurt is a fast-paced word game that challenges your vocabulary and quick thinking. Each round presents you with a question and a rule - your goal is to think of a word that matches both. It's simple to learn but endlessly challenging, perfect for word game enthusiasts and casual players alike.  How to Play The game splits your screen into two cards. The left card shows a question like "A gadget that beeps" while the right card shows a rule like "Contains 'an'". Think of a word that satisfies both conditions - in this case, "SCANNER" works because it's a gadget that beeps and contains the letters "an". Tap Correct when you have an answer, Wrong if you can't match both conditions, or Skip if you're stuck.  -------------------- Game Modes  • Classic Mode: Play at your own pace with no time pressure. Perfect for learning the game or relaxing gameplay.  • Speed Mode: 60-second rounds test how many correct answers you can find under time pressure. Track your best scores and improve your performance.  • Survival Mode: Every mistake costs you a life. How long can you keep your streak going?  • Team Mode: Compete with up to 4 players. Take turns finding answers and see who can score the most points.  • Daily Challenge: A new challenge every day keeps the game fresh and gives you a reason to come back.  -------------------- Key Features  Hundreds of unique question and rule combinations ensure no two games are the same. The game tracks your progress and statistics across all modes. Multiple answer possibilities mean creative thinking is rewarded. There's rarely just one correct answer, so use your vocabulary and lateral thinking to find solutions others might miss.  -------------------- Rules You'll Encounter Contains specific letters, doesn't contain certain letters, begins with a letter, ends with a letter, one-syllable words, plural words, and more. The variety keeps you thinking in new ways.  -------------------- Perfect For Word game fans looking for a new challenge, families wanting a fun group activity, anyone who enjoys vocabulary games, players who like quick mental exercises, and competitive players who want to track their performance.  -------------------- Why Splurt Unlike traditional word games that rely on spelling or definitions, Splurt tests your ability to think laterally and combine multiple constraints. It's mentally stimulating without being stressful, social without requiring an internet connection, and replayable with endless combinations of questions and rules.  Download Splurt today and discover how quickly you can think when the pressure is on.

Screenshots

Killer Sudoku by Sudoku.com4 screens
Splurt4 screens

Verdict

The call

The clearest difference is review sentiment: Killer Sudoku by Sudoku.com at 45% against Splurt's 0%. Killer Sudoku by Sudoku.com also leads on rating (4.7 vs 3.0) and ratings volume (219K vs 1). Splurt's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price 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. Killer Sudoku by Sudoku.com sells 1 one-off in-app purchase. Splurt asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Killer Sudoku by Sudoku.com holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Killer Sudoku by Sudoku.com has 219K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 45% of Killer Sudoku by Sudoku.com's written reviews are positive against 0% of Splurt's.

UpkeepUpdate frequency

Killer Sudoku by Sudoku.com ships an update every 2 months, Splurt every 7 months. The most recent releases landed on November 13, 2026 and November 5, 2026 respectively.

Scorecard8 real differences · 2 level
Killer Sudoku by Sudoku.com versus Splurt: the parameters behind the verdict, then further details
ParameterKiller Sudoku by Sudoku.comSplurt
PriceFreeFree
Rating4.7 (219K ratings) — better3.0 (1 ratings)
Positive reviews44.9% of reviews — better0.0% of reviews
Number of ratings219K — better1
Update frequencyEvery 2 months — betterEvery 7 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.4
Further details — not scored
Size237 MB40 MB
Age rating12+4+
DeveloperEasybrain LtdHARSH GADHECHA

Customer experience

Killer Sudoku by Sudoku.com

All ratings218,478 ratings
Positive94.6%
Neutral3.1%
Negative2.3%
Written reviews2,745 reviews
Positive44.9%
Neutral15.6%
Negative39.5%

Splurt

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Bugs and requests

Killer Sudoku by Sudoku.com

Reported bugs

5 issues
  • Incorrect puzzle solutions
  • Scoring and stats issues
  • Screen orientation problems
  • Game freezing and crashing
  • Unresponsive controls

Requested features

6 requests
  • Option to toggle number combinations
  • Ability to lock correct numbers
  • Improved hint system
  • Customizable font and color options
  • Progress sync between devices
Show 1 more
  • Difficulty level adjustments

Splurt

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Killer Sudoku by Sudoku.com

One-time1
  • Killer Sudoku No Ads$14.99
None

Splurt

No in-app purchases

Questions

Is Killer Sudoku by Sudoku.com free?
Killer Sudoku by Sudoku.com is free to download, with in-app purchases available.
Is Splurt free?
Splurt is free to download, with no in-app purchases.
Which has better reviews, Killer Sudoku by Sudoku.com or Splurt?
Killer Sudoku by Sudoku.com is rated higher. Killer Sudoku by Sudoku.com averages 4.7 out of 5 from 219K ratings, while Splurt averages 3.0 from 1 ratings.
Do Killer Sudoku by Sudoku.com or Splurt have ads?
Killer Sudoku by Sudoku.com shows ads; Splurt does not.
Which is updated more often, Killer Sudoku by Sudoku.com or Splurt?
Killer Sudoku by Sudoku.com ships an update every 2 months, and Splurt every 7 months. Most recently, Killer Sudoku by Sudoku.com was updated on November 13, 2026 and Splurt on November 5, 2026.

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