Comparison

G30 vs Sumaddle

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

Head to head
About

G30

Experience a unique puzzle game with a touching narrative about memory loss. Each level is a hand-crafted puzzle that reveals fragments of a person's life story, accompanied by atmospheric music and haptic feedback. Relax and immerse yourself in a deep, mysterious story without timers or scores.

Highlights
  • Hand-crafted story puzzles
  • Touching narrative about memory loss
  • Atmospheric music and haptic feedback
  • Relaxing gameplay, no timers
  • Unique visual and text puzzles
Features
Currently charting
Read full description

A puzzle you haven’t seen before. A story you won’t forget. G30 is a unique and minimalistic take on the puzzle genre, where each level is hand-crafted and meaningful. It’s a story of a person with a cognitive disorder, who is trying to recollect the elusive past – before the disease takes over and everything will fade away. KEY FEATURES • Each puzzle is a story. Solve the memories mystery hidden in 7 main chapters of unique and individually designed puzzles. • Experience a touching narrative. Live the life of a person whose memories have faded. • Feel the game. Atmospheric music and haptic feedback will dive you into the breathtaking story. • Relax and play. No scores, no timers, no “game over”. AWARDS • Most Innovative Game, Casual Connect USA & Kyiv • Best Mobile Game, CEEGA Awards • Excellence in Game Design, DevGAMM • Best Mobile Game & Critics’ Choice, GTP Indie Cup INNOVATIVE PUZZLES THAT ARE THE STORY Each level sparks a little memory of the person’s life. It’s a two-part puzzle: a visual image of the memory and a telescopic text, that reveals itself with every step. You start with fragmented pieces of the picture and have to move them to restore the original image. In turn, telescopic text reacts to your every step – the closer you are to the solution, the more text unfolds. You are indeed remembering – adding details to the memory and forming a clear picture. A DEEP AND MYSTERIOUS STORY G30 is about memory and consciousness – and what they mean for a human being. There are people around who are losing their ability to remember – some kinds of mental diseases do that to a person. G30 shows how they see the world, how they feel about the past they can’t remember and the reality they can’t recognize.

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

Screenshots

G304 screens
Sumaddle3 screens

Verdict

The call

The clearest difference is price: Sumaddle at Free against G30's $3.99. Sumaddle also leads on update cadence (every 3 weeks vs every 2 months) and review sentiment (95% vs 83%). G30's advantage is in-app purchases (none vs 15) and chart position (#170 vs unranked). On rating, ratings volume, 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; G30 costs $3.99 up front. Sumaddle sells 15 one-off in-app purchases. G30 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for G30 against 4.9 for Sumaddle. Both are backed by a comparable volume of ratings — 1.4K and 767 respectively. Written reviews are what separate them: 83% of G30's written reviews are positive against 95% of Sumaddle's.

UpkeepUpdate frequency

G30 ships an update every 2 months, Sumaddle every 3 weeks. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

Scorecard7 real differences · 4 level
G30 versus Sumaddle: the parameters behind the verdict, then further details
ParameterG30Sumaddle
Price$3.99Free — better
Rating4.8 (1.4K ratings)4.9 (767 ratings) — better
Positive reviews82.8% of reviews94.9% of reviews — better
Number of ratings1.4K — better767
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#170 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size78 MB30 MB
Age rating4+4+
DeveloperKovalov IvanJonathan Buchanan

Customer experience

G30

All ratings1,415 ratings
Positive96.0%
Neutral2.3%
Negative1.6%
Written reviews93 reviews
Positive82.8%
Neutral7.5%
Negative9.7%

Sumaddle

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

User reviews

G30

From 1.4K App Store ratings

What we love

  • 🤩 Immersive experience
  • 🎨 Beautiful visuals
  • 🎶 Soothing music
  • 🧠 Thought-provoking story
  • 👍 Unique and engaging puzzles

Room to improve

  • 🐛 Occasional grammar/spelling issues
  • ⏱️ Short length of the game
  • 🤔 Confusing or unclear instructions
  • 🤯 Frustratingly difficult puzzles
  • 🔁 Repetitive soundtrack

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

Bugs and requests

G30

Reported bugs

3 issues
  • Missing words in some levels
  • Inability to go back and complete missed words
  • Frequent crashes or loading issues

Requested features

4 requests
  • More levels and content
  • Hint system or accessibility options
  • Improved English proofreading
  • Support for larger tablet screens

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

In-app purchases

None

G30

No 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

Questions

Is G30 free?
G30 costs $3.99, with no in-app purchases.
Is Sumaddle free?
Sumaddle is free to download, with in-app purchases available.
Which has better reviews, G30 or Sumaddle?
Sumaddle is rated higher. G30 averages 4.8 out of 5 from 1.4K ratings, while Sumaddle averages 4.9 from 767 ratings.
Do G30 or Sumaddle have ads?
Neither G30 nor Sumaddle shows ads.
Which is updated more often, G30 or Sumaddle?
G30 ships an update every 2 months, and Sumaddle every 3 weeks. Most recently, G30 was updated on October 9, 2026 and Sumaddle on October 12, 2026.

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