Sumaddle vs SumKo
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Interactive logic puzzles
- Number combination fitting
- Pure logic solving
- Built-in help and mistake correction
- Over 150 free puzzles
- Offline play
- Ad-free experience
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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
SumKo
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SumKo is a unique puzzle game where you merge numbers to combine tiles. Enjoy the 2048-style gameplay in a calm and serene atmosphere as you merge number tiles and solve challenges. [Features] - Simple yet addictive puzzle gameplay: Merge numbers to create larger ones and increase your score. - Relaxing time with soothing background music: Unwind and enjoy the puzzles in a tranquil setting, perfect for stress relief. - Variety of puzzle modes: Challenge yourself with different modes, each with unique rules and levels of difficulty. - Merge tiles and blocks to reach 2048 and beyond, achieving your goals as you progress. While the number-merging mechanics are simple, the game becomes more complex and requires strategic thinking as you advance. Immerse yourself in a captivating puzzle experience with calming background music. SumKo is perfect for anyone who enjoys 2048-style games and is recommended for puzzle enthusiasts and players interested in merging tiles and blocks.
Screenshots
Verdict
The clearest difference is ads: Sumaddle at none against SumKo's shown. Sumaddle also leads on update cadence (every 3 weeks vs every 13 months). SumKo's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases 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
Both are free to download. Sumaddle sells 10 one-off in-app purchases and SumKo sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Sumaddle ships an update every 3 weeks, SumKo every 13 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Sumaddle | SumKo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (769 ratings) — better | — |
| Positive reviews | 94.9% of reviews | — |
| Number of ratings | 769 — better | — |
| Update frequency | Every 3 weeks — better | Every 13 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 98 MB |
| Age rating | 4+ | 4+ |
| Developer | Jonathan Buchanan | 1PixelStudio Co. |
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
SumKo
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sumaddle
- Crafty, Pack 1$0.99
- Crafty, Pack 2$0.99
- Crafty, Pack 3$0.99
Show 7 moreShow fewer
- 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
SumKo
- Donate low price.$4.99
- Donate medium price.$9.99
- Donate high price.$19.99









