Quell+ vs Blek
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Quell+
An enchanting logic puzzle game with over 80 cunningly crafted levels. It offers a perfectly balanced difficulty curve for a soothing experience, complemented by beautiful hand-painted art and a custom soundtrack. Enjoy iCloud integration for seamless syncing across devices.
- Over 80 logic puzzles
- Lateral thinking challenges
- Balanced difficulty curve
- Hand-painted art
- Custom soundtrack
- iCloud integration
- GameCenter achievements
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***** Thanks to the 4 million+ players who’ve already fallen in love with Quell, Quell Reflect, and Quell Memento, and helped us to No 1 in several countries! ***** Quell is an enchanting game of logic which has taken the puzzle world by storm. Don’t take our word for it! Read our user reviews (thanks guys!), and see for yourself! "Quell. Is. Perfect" - No Dpad "Woozily hypnotic" – Eurogamer "Gaming App of the Day" – Kotaku "Beautifully relaxing" – AppSpy "Calming zen-like atmosphere" – Gamezebo "Absolute joy to play" - Pocket Full of Apps "Incredibly polished. Extra fun. Constantly amazes" – iPhoneAlley "Seems to lower blood pressure instead of raising it" – BestKidsApps * Over 80 levels of cunningly crafted puzzles – requires lateral thinking! * Perfectly balanced difficulty curve – soothing, not frustrating! * iCloud integration / Universal app – Sync on all your iOS devices! * HD and Retina support – beautiful hand-painted art! * GameCenter Achievements and Leaderboards – Challenge your friends! * Custom soundtrack by top composer Steven Cravis – Calming music helps the brain! * Localized for English, French, German, Italian, Spanish, Polish, Portuguese, Chinese, Korean, Taiwanese, and Japanese. * Requires iOS 6.0 or higher. Fall in love with Quell today...
Blek
This is a minimalist puzzle game that challenges your imagination. Draw a line that collects all colored circles while avoiding obstacles. Discover elegant solutions and enjoy a magical experience as your creations come to life.
- Draw and animate lines
- Collect colored circles
- Avoid black holes
- Multiple solutions per level
- Elegant and intuitive design
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Blek is a unique game about imagination and personality. Everything you draw keeps moving – and watching your creations move is like watching magic. The goal is simple: shape a line that collects all colored circles avoiding black holes on its route. There are no specific moves that you need to master. To every level countless solutions exist, from delightfully simple to exceptionally deep and complex, yet always elegant. ----- Articles & Commentaries ----- "The Most Brilliant iPad Game I've Played All Year." ~ Kotaku "One of the greatest joys of Blek is experimenting with your approach." ~ WIRED "It’s the sort of game you’d want to put on a space probe: when the aliens play it, they’ll take a liking to us right away." ~ The New Yorker "Wonderful experience" ~ Pocket Gamer "Blek is a thing of elegant, intuitive beauty" ~ Edge "One of the year’s best" ~ The New York Times ----- Awards ----- • Apple Design Award • Best Mobile Game - Casual Connect, Amsterdam • Excellence in Innovation - International Mobile Gaming Awards • Best Game - Content Award Vienna"
Screenshots
Verdict
The clearest difference is in-app purchases: Blek at none against Quell+'s 6. Blek also leads on chart position (#53 vs unranked). Quell+'s advantage is review sentiment (98% vs 73%) and rating (4.9 vs 4.5). On ratings volume, update cadence, 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
Quell+ costs $1.99 and Blek $4.99 up front. Quell+ sells 6 one-off in-app purchases. Blek asks for nothing beyond the download.
Quell+ holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 487 and 811 respectively. Written reviews point the same way: 98% of Quell+'s written reviews are positive against 73% of Blek's.
Both ship on a similar rhythm, roughly every 4 months. Both last shipped on November 6, 2026.
| Parameter | Quell+ | Blek |
|---|---|---|
| Price | $1.99 — better | $4.99 |
| Rating | 4.9 (487 ratings) — better | 4.5 (811 ratings) |
| Positive reviews | 98.2% of reviews — better | 73.4% of reviews |
| Number of ratings | 487 | 811 — better |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #53 — better |
| Devices | iPhone, iPad, iPod, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 71 MB | 238 MB |
| Age rating | 4+ | 4+ |
| Developer | Fallen Tree Games Ltd | kunabi brother GmbH |
Customer experience
Quell+
Blek
User reviews
Quell+
From 487 App Store ratingsWhat we love
- 👍 Awesome Game
- 👍 Worth the money
- 👍 Best puzzle game ever
- 👍 Love everything about this game
- 👍 Challenging and fun
Room to improve
- 🐛 iPhone 15 app takeover issue
- 🐛 Occasional crashes on iPhone 11
Blek
From 811 App Store ratingsWhat we love
- 💡 Unique and creative concept
- 👍 Relaxing and challenging gameplay
- 🚀 Simple yet elegant design
- 👍 No ads or in-app purchases
Room to improve
- 🐛 Crashes and compatibility issues
- 🔊 Annoying sound effects
- 👎 Lack of instructions/tutorials
- 👎 Repetitive and gets boring over time
Bugs and requests
Quell+
Reported bugs
2 issues- iPhone 15 app takeover issue
- Quell often refuses to close on iPhone 11
Requested features
2 requests- More Quell games
- Ability to transfer in-app purchases across devices
Blek
Reported bugs
3 issues- Crashes when trying to save screenshots
- Compatibility issues on larger screens
- Line disappears randomly during gameplay
Requested features
4 requests- Add more levels and content
- Implement a level select or skip option
- Add sound/music controls
- Improve UI and controls
In-app purchases
Quell+
- 50 Coins$0.99
- 150 Coins$1.99
- Jewel Detector$1.99
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- Super Rewind$1.99
- Skeleton Key$2.99
- Ability Special Offer$2.99
Blek
No in-app purchases









