Comparison

Sumaddle vs Block dice

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

• “Brilliant puzzle game”, UK App Store review Apr 2025 • “Best Puzzle Game I’ve Ever Played”, US App Store review Jan 2025 • “The ONLY iOS game I've never gotten tired of”, Reddit review Apr 2024 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 adding the essential element of interaction. This transforms the puzzles into intriguing 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 can focus on using logic to narrow down the combinations and find a fitting arrangement. Some reasons why you will enjoy playing Sumaddle: • puzzles range in size and difficulty from small and simple to large and mind-blowing • 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

Block dice

Features
Read full description

BLOCK - Strategic Dice Battle Game Outsmart your opponent in this tactical dice game. Every roll matters, every placement counts. HOW TO PLAY - Roll the die and place it on the path - Surround opponent's dice to capture them (higher values win) - Upgrade existing dice with higher rolls - Fill the board - most dice wins! SPECIAL POWER Roll a 1 to remove any adjacent opponent die. Use it wisely to turn the game around! STRATEGIC GAMEPLAY - Think ahead - position is everything - Choose: place new or upgrade existing? - Unlock locked cells by filling neighbours - Simple rules, deep strategy FEATURES - Smart AI that adapts to your moves - Progressive difficulty - easy to expert - Clean, beautiful design - Tutorial to master the mechanics - Offline play - no internet needed - Quick sessions (5-10 minutes) Perfect for strategy lovers and puzzle enthusiasts who enjoy tactical thinking. Download now and master tactical dice warfare!

Screenshots

Sumaddle3 screens
Block dice4 screens

Verdict

The call

The clearest difference is in-app purchases: Block dice at none against Sumaddle's 15. Sumaddle's advantage is ads (none vs shown). On price, update cadence, 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. Sumaddle sells 15 one-off in-app purchases. Block dice asks for nothing beyond the download.

UpkeepUpdate frequency

Sumaddle ships an update every 3 weeks, Block dice every 2 weeks. The most recent releases landed on September 25, 2026 and September 14, 2026 respectively.

Scorecard2 real differences · 8 level
Sumaddle versus Block dice: the parameters behind the verdict, then further details
ParameterSumaddleBlock dice
PriceFreeFree
Rating4.9 (767 ratings) — better—
Positive reviews94.9% of reviews—
Number of ratings767 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.6
Further details — not scored
Size30 MB4 MB
Age rating4+4+
DeveloperJonathan BuchananTorben Filt Slothuus

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

Block dice

Not enough reviews yet to summarise bugs or requests.

In-app purchases

15 purchases

Sumaddle

One-time15
  • Quirky, Pack 5$0.99
  • Very Difficult Puzzles$0.99
  • Quirky, Pack 1$0.99
Show 12 more
  • Premium 9x9 Puzzles, Pack 1$0.99
  • Crafty, Pack 1$0.99
  • Crafty, Pack 2$0.99
  • Crafty, Pack 3$0.99
  • 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
  • Assorted Puzzles$0.99
  • Puzzle Generator$9.99
None

Block dice

No in-app purchases

Questions

Is Sumaddle free?
Sumaddle is free to download, with in-app purchases available.
Is Block dice free?
Block dice is free to download, with no in-app purchases.
Do Sumaddle or Block dice have ads?
Block dice shows ads; Sumaddle does not.
Which is updated more often, Sumaddle or Block dice?
Sumaddle ships an update every 3 weeks, and Block dice every 2 weeks. Most recently, Sumaddle was updated on September 25, 2026 and Block dice on September 14, 2026.

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