Rules! vs Ouros
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Rules!
Engage in a fast-paced, challenging, and fun puzzle game with a hundred levels. Features a daily brain workout for Apple Watch and animated stickers. Offers multiple game modes and unique mechanics.
- Daily Apple Watch brain workout
- Animated sticker pack
- Beginner, Expert, or Timeless game modes
- Multi-touch interface
- Color perception assistance
- Surprising new game mechanics
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• Includes a daily brain workout mini-game for Apple Watch • Includes animated sticker pack • App Store – Best Apple Watch Game of 2015 • App Store – Best of 2014 • German Developer Award 2014 – Best mobile Game • German Video Game Award 2015 – Best mobile Game • Pocket Gamer Awards 2015 Finalist Best Casual/Puzzle Game & Most Innovative Game RULES! is a cute puzzle game that's challenging, fast-paced and fun. • Choose your preferred type of game: Beginner, Expert or Timeless • “What’s presented here is a stylish, original, clever puzzle game that I’m having trouble putting down long enough to write this review.” ~ Gamezebo “A delightfully constructed memory test that grows in complexity and appeal the deeper in you go.” ~ Pocket Gamer “The Coding Monkeys have never released anything that wasn’t utterly brilliant, therefore Rules shall almost certainly be brilliant.” ~ Pocket Tactics Follow RULES! into a hundred level-deep maze of cuteness and order: • Multi-touch interface at its finest • Color perception assistance mode • Whales, Unicorns, Robots and Squirrels! • A plethora of surprising new game mechanics
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 rating: Ouros at 4.9 against Rules!'s 4.2. Ouros also leads on review sentiment (90% vs 71%) and iOS requirement (13.0 vs 15.2). Rules!'s advantage is monetization model (free vs paid) and update cadence (monthly vs every 5 months). On price, ratings volume, ads and in-app purchases 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
Rules! costs $2.99 and Ouros $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Ouros holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 67 and 82 respectively. Written reviews point the same way: 71% of Rules!'s written reviews are positive against 90% of Ouros's.
Rules! ships an update monthly, Ouros every 5 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.
| Parameter | Rules! | Ouros |
|---|---|---|
| Price | $2.99 | $2.99 |
| Rating | 4.2 (67 ratings) | 4.9 (82 ratings) — better |
| Positive reviews | 70.8% of reviews | 90.0% of reviews — better |
| Number of ratings | 67 | 82 — better |
| Update frequency | Monthly — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 138 MB |
| Age rating | 4+ | 4+ |
| Developer | 137b | Michael Kamm |
Customer experience
Rules!
Ouros
User reviews
Rules!
From 67 App Store ratingsWhat we love
- 👍 Challenging and fun game
- 👍 Gorgeous design and smooth UI
- 👍 Great brain workout
- 👍 Addictive gameplay
- 👍 Fair monetization with no ads or IAPs
Room to improve
- 🕰️ Very short time limit
- 🔁 Having to restart from level 1 after losing
- 🎨 Colorblind-unfriendly
- 🤔 Repetitive gameplay with same rule order
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
Rules!
Reported bugs
2 issues- Freezing and crashing issues, especially on Apple Watch
- Unresponsive tapping on certain tiles
Requested features
5 requests- Option to save progress and continue from last level
- Randomized rule order
- Difficulty settings with longer time limits
- Colorblind accessibility options
- More game modes and challenges
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
Rules!
No in-app purchases
Ouros
No in-app purchases









