Quell+ vs Ouros
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...
Ouros
A relaxing puzzle game where you manipulate curves to match targets in a serene environment. Discover the mathematical beauty of shapes with over 120 handcrafted levels. Enjoy a fluid, stress-free experience with intuitive controls and dynamic visuals.
- Original spline-based control scheme
- Lush visuals and dynamic soundscapes
- Flexible level progression and hint system
- Intuitive multi-touch controls
- Fluid gameplay without timers or scores
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Ouros is a calming puzzle game about forming beautiful curves in a serene space. Find your flow as you nudge, bend, and stretch curves into pleasing shapes. The goal is simple. Align the curve with the targets, then watch the orb gracefully glide through them. With over 120 handcrafted puzzles to solve, Ouros invites you to discover the inherent mathematical beauty of its world. Features: - An original spline-based control scheme - Lush visuals and soothing soundscapes that dynamically respond to the forms you create - A flexible level progression and hint system that let you play at your own pace - Intuitive multi-touch controls made with touchscreens in mind - A fluid gameplay experience free of timers, scores, or dexterity requirements
Screenshots
Verdict
The clearest difference is in-app purchases: Ouros at none against Quell+'s 6. Quell+'s advantage is ratings volume (486 vs 82) and review sentiment (98% vs 90%). On rating, update cadence, ads and chart position 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 Ouros $2.99 up front. Quell+ sells 6 one-off in-app purchases. Ouros asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Quell+ against 4.9 for Ouros. That said, the two scores are not equally well evidenced: Quell+ has 486 ratings behind it against 82, so its average is the more settled of the two. Written reviews are what separate them: 98% of Quell+'s written reviews are positive against 90% of Ouros's.
Quell+ ships an update every 4 months, Ouros every 5 months. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.
| Parameter | Quell+ | Ouros |
|---|---|---|
| Price | $1.99 — better | $2.99 |
| Rating | 4.9 (486 ratings) | 4.9 (82 ratings) |
| Positive reviews | 98.2% of reviews — better | 90.0% of reviews |
| Number of ratings | 486 — better | 82 |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | #121 — better | #179 |
| Devices | iPhone, iPad, iPod, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 71 MB | 138 MB |
| Age rating | 4+ | 4+ |
| Developer | Fallen Tree Games Ltd | Michael Kamm |
Customer experience
Quell+
Ouros
User reviews
Quell+
From 486 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
Ouros
From 82 App Store ratingsWhat we love
- 🎨 Gorgeous visuals and art direction
- 🎶 Beautiful music and sound design
- 🧠 Intellectually challenging and clever puzzles
- 🧘 Relaxing and calming gameplay experience
- 👍 Smooth introduction of new concepts and mechanics
Room to improve
- ⏳ Too short for the price
- 📱 Landscape mode only (inconvenient for some)
- 🔊 Sound/SFX not working for some users
- ❓ Lack of clear instructions for some
- 🎛️ Constant 'bongs' can be distracting
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
Ouros
Reported bugs
3 issues- Sound/SFX not working on iPhone
- Numbers are sideways in portrait mode
- Issue getting into corners with no running room on iPad
Requested features
7 requests- Add more levels
- Add Watch support
- Allow playing own music in the background
- Option to change orientation to portrait mode
- iCloud sync for progress across devices
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- Ability to turn off movement while working on puzzles
- Make help icon placement more accessible on iPad
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
Ouros
No in-app purchases
