Comparison

Sumaddle vs Glyn

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

Glyn

Engage in a unique puzzle game that challenges you to count to four. Enhance your observation abilities while enjoying a charming retro pixel art aesthetic and a calming zen soundtrack. This game offers a simple yet deeply rewarding experience.

Highlights
  • Unique counting puzzle mechanics
  • Observation skill enhancement
  • Charming retro pixel art
  • Soothing zen soundtrack
  • Simple to learn, satisfying gameplay
Features
Read full description

Discover a one-of-a-kind puzzle experience! Count to 4, sharpen your observation skills, and dive into a world of charming retro pixel art, all set to a soothing zen soundtrack. Simple to learn, yet deeply satisfying—are you ready for the challenge?

Screenshots

Sumaddle3 screens
Glyn4 screens

Verdict

The call

The clearest difference is price: Sumaddle at Free against Glyn's $1.99. Sumaddle also leads on rating (4.9 vs 4.6) and ratings volume (767 vs 92). Glyn's advantage is in-app purchases (none vs 15) and update cadence (every 8 days vs every 3 weeks). On ads 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

Sumaddle is free to download; Glyn costs $1.99 up front. Sumaddle sells 15 one-off in-app purchases. Glyn asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sumaddle holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Sumaddle has 767 ratings behind it against 92, so its average is the more settled of the two. Written reviews point the same way: 95% of Sumaddle's written reviews are positive against 86% of Glyn's.

UpkeepUpdate frequency

Sumaddle ships an update every 3 weeks, Glyn every 8 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

Scorecard8 real differences · 2 level
Sumaddle versus Glyn: the parameters behind the verdict, then further details
ParameterSumaddleGlyn
PriceFree — better$1.99
Rating4.9 (767 ratings) — better4.6 (92 ratings)
Positive reviews94.9% of reviews — better85.9% of reviews
Number of ratings767 — better92
Update frequencyEvery 3 weeksEvery 8 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size30 MB190 MB
Age rating4+4+
DeveloperJonathan BuchananEMMANUEL ROUX

Customer experience

Sumaddle

All ratings767 ratings
Positive98.3%
Neutral0.7%
Negative1.0%
Written reviews98 reviews
Positive94.9%
Neutral1.0%
Negative4.1%

Glyn

All ratings92 ratings
Positive91.3%
Neutral3.3%
Negative5.4%
Written reviews71 reviews
Positive85.9%
Neutral4.2%
Negative9.9%

User reviews

Sumaddle

From 767 App Store ratings

What we love

  • 👍 Fun and challenging game
  • 👍 Clean and intuitive interface
  • 👍 Helpful hint system
  • 🚀 No ads or data collection
  • 💡 Unique puzzle concept

Room to improve

  • 🐛 Automatic hints can be intrusive
  • 🐛 Inability to replay completed puzzles
  • 💡 Need more free/sample puzzles
  • 💡 Difficulty progression could be improved

Glyn

From 92 App Store ratings

What we love

  • 👍 Simple and fun gameplay
  • 🎶 Soothing and good music
  • 🧠 Engaging and makes you think
  • ✨ Amazing improvements in updates
  • ⏳ Great time passer

Room to improve

  • ❓ Confusing to play initially
  • 🖱️ Hitbox of dots could be increased
  • 💻 How to play instructions on webpage
  • 😵‍💫 Webpage font and spacing hard to read
  • ❌ Unable to progress past practice levels

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

Glyn

Reported bugs

7 issues
  • Constantly froze and had to be crashed closed on iPad
  • Game resets if left too long in the background when app switching
  • Bug where clicking the 4 dots button sometimes leads to game over screen
  • Error message every time the app is opened
  • 4 dots difficulty says game over and exits
Show 2 more
  • Doesn't open, just shows a logo
  • When opening, something pops up and closing it closes the game

Requested features

20 requests
  • Increase hitbox of dots
  • Add a notation to mark a dot as 'empty'
  • Implement a save feature
  • Add timed games
  • Add daily challenges
Show 15 more
  • Option to see associated dots change color when clicking a number
  • Add more themes
  • Option to hold and drag to fill in dots
  • Cap levels for a gamemode
  • Gamemode where you lose if you overload a square
  • Restore option for store function
  • Option to mark dots that shouldn't be lit
  • More color schemes
  • Option to turn off background animation or choose different background
  • Modern puzzle design option (black lines, white background)
  • Make timer optional
  • Expand beyond 4x4 square to larger boards or different shapes
  • More high stakes competitive play with reduced time
  • Optional disruptive spells
  • Make tutorial button more visible

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

Glyn

No in-app purchases

Questions

Is Sumaddle free?
Sumaddle is free to download, with in-app purchases available.
Is Glyn free?
Glyn costs $1.99, with no in-app purchases.
Which has better reviews, Sumaddle or Glyn?
Sumaddle is rated higher. Sumaddle averages 4.9 out of 5 from 767 ratings, while Glyn averages 4.6 from 92 ratings.
Do Sumaddle or Glyn have ads?
Neither Sumaddle nor Glyn shows ads.
Which is updated more often, Sumaddle or Glyn?
Sumaddle ships an update every 3 weeks, and Glyn every 8 days. Most recently, Sumaddle was updated on October 12, 2026 and Glyn on October 14, 2026.

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