Comparison

Able Black vs Sumaddle

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

Head to head
About

Able Black

Embark on an immersive narrative adventure as a lonely android facing a crucial exam for survival. Solve poetic riddles and cryptic puzzles to uncover the secrets of an underground habitat and discover your true identity.

Highlights
  • Immersive story experience
  • Image and sound guided puzzles
  • Citizenship Exam gameplay
  • Poetic riddles
  • Cryptic puzzle solving
  • Five story chapters
Features
Read full description

Able Black is an immersive story experience that uses images and sound to guide you through a series of puzzles. Story: Able is a lonely android struggling with his Citizenship Exam, a test he must pass if he doesn’t want to be shut down. Follow Able as he searches for purpose and a way out of isolation. Discover the secrets of Ark 19, an underground habitat designed to save humanity from disaster. Find out why Able has been left alone in the ark. Uncover what’s hidden there. Take the Citizenship Exam and discover who Able Black really is. Gameplay: Navigate through five chapters of story text and experience the Citizenship Exam as Able does. After each chapter you’ll be faced with a series of questions that put you in the shoes of Able Black. Answer poetic riddles that echo the theme of each chapter. Solve cryptic puzzles to unlock Able’s story. Able Black is part story, part game, and full of secrets. This experience includes puzzles that some users may find challenging. If you need some help head to www.ableblack.com or visit the Able Black Facebook page www.facebook.com/AbleBlackSleepwalker Follow me @skotleach

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

Able Black4 screens
Sumaddle3 screens

Verdict

The call

The clearest difference is in-app purchases: Able Black at none against Sumaddle's 15. Able Black also leads on ratings volume (3.7K vs 767) and iOS requirement (11.0 vs 16.0). Sumaddle's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, review sentiment and ads 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. Able Black asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Able Black against 4.9 for Sumaddle. Both are backed by a comparable volume of ratings — 3.7K and 767 respectively. Written reviews are what separate them: 98% of Able Black's written reviews are positive against 95% of Sumaddle's.

UpkeepUpdate frequency

Able Black ships an update every 2 months, Sumaddle every 3 weeks. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
Able Black versus Sumaddle: the parameters behind the verdict, then further details
ParameterAble BlackSumaddle
PriceFreeFree
Rating4.9 (3.7K ratings)4.9 (767 ratings)
Positive reviews97.5% of reviews — better94.9% of reviews
Number of ratings3.7K — better767
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size341 MB30 MB
Age rating12+4+
DeveloperScott LeachJonathan Buchanan

Customer experience

Able Black

All ratings3,667 ratings
Positive98.7%
Neutral0.6%
Negative0.7%
Written reviews361 reviews
Positive97.5%
Neutral0.8%
Negative1.7%

Sumaddle

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

User reviews

Able Black

From 3.7K App Store ratings

What we love

  • 🌟 Immersive story
  • 🧠 Challenging puzzles
  • 🎨 Atmospheric design
  • 🤖 Thought-provoking themes
  • 🎁 Free to play

Room to improve

  • 🕰️ Short gameplay length
  • 📝 Occasional typos
  • 🤔 Some puzzles too difficult

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

Able Black

Reported bugs

1 issue
  • Puzzle solutions not always registering correctly

Requested features

3 requests
  • Longer story/more content
  • Difficulty options for puzzles
  • Ability to save progress

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

Able Black

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 Able Black free?
Able Black is free to download, with no in-app purchases.
Is Sumaddle free?
Sumaddle is free to download, with in-app purchases available.
Which has better reviews, Able Black or Sumaddle?
Able Black and Sumaddle are both rated 4.9 out of 5 on the App Store, from 3.7K and 767 ratings respectively.
Do Able Black or Sumaddle have ads?
Neither Able Black nor Sumaddle shows ads.
Which is updated more often, Able Black or Sumaddle?
Able Black ships an update every 2 months, and Sumaddle every 3 weeks. Most recently, Able Black was updated on October 7, 2026 and Sumaddle on October 12, 2026.

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