Comparison

Sumaddle vs Gemera

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

Gemera

Read full description

Gemera is a polished match-3 puzzle game with fast, satisfying gameplay and a distinctive gem-themed style. Swipe gems to create matches of 3 or more, build score combos, progress through increasingly challenging levels and chase a place on the high-score table. Key features: • Classic match-3 gameplay with smooth swipe controls • Special prism gem created from 5-in-a-row matches • Strategic color-clearing mechanic for bigger board clears • Progressive challenge with advancing levels • High-score leaderboard with initials entry • Multiple soundtrack choices • Polished visual effects and modern neon-inspired presentation Gemera Pro: • Full access beyond the free levels • Hint button to reveal a possible move • Zen Mode for endless, relaxed play • Game Skins for alternate gem palettes • Pro line power gems from 4-matches • Player stats for games, matches, combos and power clears

Screenshots

Sumaddle3 screens
Gemera4 screens

Verdict

The call

The clearest difference is update cadence: Gemera at every 5 days against Sumaddle's every 3 weeks. Sumaddle's advantage is iOS requirement (16.0 vs 18.0). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sumaddle sells 15 one-off in-app purchases and Gemera sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sumaddle ships an update every 3 weeks, Gemera every 5 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 8 level
Sumaddle versus Gemera: the parameters behind the verdict, then further details
ParameterSumaddleGemera
PriceFreeFree
Rating4.9 (767 ratings) — better—
Positive reviews94.9% of reviews—
Number of ratings767 — better—
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size30 MB21 MB
Age rating4+4+
DeveloperJonathan BuchananWolfram Wacker

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

Gemera

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
1 purchases

Gemera

One-time1
  • Gemera Pro$0.99

Questions

Is Sumaddle free?
Sumaddle is free to download, with in-app purchases available.
Is Gemera free?
Gemera is free to download, with in-app purchases available.
Do Sumaddle or Gemera have ads?
Neither Sumaddle nor Gemera shows ads.
Which is updated more often, Sumaddle or Gemera?
Sumaddle ships an update every 3 weeks, and Gemera every 5 days. Most recently, Sumaddle was updated on October 12, 2026 and Gemera on October 14, 2026.

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