Comparison

Sumaddle vs Ultimate Word Champion

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

Head to head
About

Sumaddle

This logic puzzle game transforms pencil-and-paper challenges into interactive brain teasers. Fit number combinations to clues using pure logic, with no mental arithmetic required. Enjoy over 150 free puzzles of varying difficulty, with built-in help and offline play.

Highlights
  • Interactive logic puzzles
  • Number combination fitting
  • Pure logic solving
  • Built-in help and mistake correction
  • Over 150 free puzzles
  • Offline play
  • Ad-free experience
Features
Read full description

This type of logical puzzle was first seen in the Japan Puzzle Championship 2006 and is sometimes known as Doppelblock, or Smashed Sums. When played with pencil and paper, these puzzles can be hard work to solve. Sumaddle changes that by transforming the puzzles into interactive brain teasers that unfold before your eyes. Each puzzle has a unique solution. Finding the solution involves fitting the number combinations to the clues. The app makes it easy to view the possible combinations, you don’t need to do any sums in your head. Instead, you are able to focus on using logic to narrow down the combinations and find a fitting arrangement. The puzzles come in a range of sizes and difficulties, to suit all levels of skill and puzzling purposes. Choose a small puzzle to idle away a minute or two while waiting in a queue, or a big puzzle to give your brain some exercise during a coffee break! Some reasons why you will enjoy playing Sumaddle: • more than 150 puzzles are included for free • all puzzles can be solved with pure logic, no mental arithmetic required • the sophisticated built-in help can explain the logical reasoning at each step and also fix mistakes if you go wrong • the built-in help is completely free, use it as much as you like • works offline (great for long journeys) • a high standard of accessibility, including comprehensive support for VoiceOver • ad-free play - there are absolutely no ads! IGRS age rating (Indonesia Game Rating System): 3+ Designed and developed in Winterthur, Switzerland

About

Ultimate Word Champion

Features
Read full description

Experience word gaming like never before with Ultimate Word Champion, the Gold Standard for competitive players. Test your skill, strategy, and speed to see if you can claim the title of Ultimate Word Champion. Skill Over Luck Every game is a level playing field, with the same board, tiles and scoring potential. Victory belongs to those with the sharpest minds, not the luckiest tiles. Fast-Paced Competition Score with every turn, where the highest-scoring word stays on the board. In the event of a tie, speed becomes your ally with the fastest player claiming the win. Pure Gameplay Developed by players for players. It’s just you, the tiles, and the board. Let your words do the talking! No chat allows you to concentrate only on the game. In-depth Statistics Track your progress with turn by turn comparison and world rankings. Analyze your performance on words, results, and much more. Innovative Strategy No need to worry about leaving high scoring spaces for other players as everyone has the same board and tiles to play. Download and Play for Free Ready to prove you’re the best? Download Ultimate Word Champion now and start your journey to the top!

Screenshots

Sumaddle3 screens
Ultimate Word Champion4 screens

Verdict

The call

The clearest difference is in-app purchases: Ultimate Word Champion at none against Sumaddle's 10. Ultimate Word Champion also leads on iOS requirement (12.0 vs 17.0). Sumaddle's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). 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. Sumaddle sells 10 one-off in-app purchases. Ultimate Word Champion asks for nothing beyond the download.

UpkeepUpdate frequency

Sumaddle ships an update every 3 weeks, Ultimate Word Champion every 3 months. Both last shipped on November 3, 2026.

Scorecard4 real differences · 6 level
Sumaddle versus Ultimate Word Champion: the parameters behind the verdict, then further details
ParameterSumaddleUltimate Word Champion
PriceFreeFree
Rating4.9 (769 ratings) — better—
Positive reviews94.9% of reviews—
Number of ratings769 — better—
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size31 MB107 MB
Age rating4+12+
DeveloperJonathan BuchananMichael Barrett

Bugs and requests

Sumaddle

Reported bugs

2 issues
  • Losing progress when minimizing the app
  • Inconsistent difficulty ratings

Requested features

4 requests
  • Ability to selectively pencil in notes
  • More difficult puzzle options
  • Synced progress across devices
  • Detailed statistics and leaderboard

Ultimate Word Champion

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Sumaddle

One-time10
  • Crafty, Pack 1$0.99
  • Crafty, Pack 2$0.99
  • Crafty, Pack 3$0.99
Show 7 more
  • Sneaky, Pack 1$0.99
  • Sneaky, Pack 2$0.99
  • Sneaky, Pack 3$0.99
  • Tricky, Pack 1$0.99
  • Tricky, Pack 2$0.99
  • Tricky, Pack 3$0.99
  • Puzzle Generator$9.99
None

Ultimate Word Champion

No in-app purchases

Questions

Is Sumaddle free?
Sumaddle is free to download, with in-app purchases available.
Is Ultimate Word Champion free?
Ultimate Word Champion is free to download, with no in-app purchases.
Do Sumaddle or Ultimate Word Champion have ads?
Ultimate Word Champion shows ads; Sumaddle does not.
Which is updated more often, Sumaddle or Ultimate Word Champion?
Sumaddle ships an update every 3 weeks, and Ultimate Word Champion every 3 months. Most recently, Sumaddle was updated on November 3, 2026 and Ultimate Word Champion on November 3, 2026.

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