Comparison

Rules! vs Ouros

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

Head to head
About

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.

Highlights
  • Daily Apple Watch brain workout
  • Animated sticker pack
  • Beginner, Expert, or Timeless game modes
  • Multi-touch interface
  • Color perception assistance
  • Surprising new game mechanics
Features
Read full description

• 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

About

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.

Highlights
  • 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
Features
Read full description

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

Rules!4 screens
Ouros4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Rules! costs $2.99 and Ouros $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Rules! ships an update monthly, Ouros every 5 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
Rules! versus Ouros: the parameters behind the verdict, then further details
ParameterRules!Ouros
Price$2.99$2.99
Rating4.2 (67 ratings)4.9 (82 ratings) — better
Positive reviews70.8% of reviews90.0% of reviews — better
Number of ratings6782 — better
Update frequencyMonthly — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.213.0 — better
Further details — not scored
Size25 MB138 MB
Age rating4+4+
Developer137bMichael Kamm

Customer experience

Rules!

All ratings67 ratings
Positive73.1%
Neutral14.9%
Negative11.9%
Written reviews233 reviews
Positive70.8%
Neutral12.4%
Negative16.7%

Ouros

All ratings82 ratings
Positive96.3%
Neutral2.4%
Negative1.2%
Written reviews50 reviews
Positive90.0%
Neutral6.0%
Negative4.0%

User reviews

Rules!

From 67 App Store ratings

What 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 ratings

What 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
Show 2 more
  • Ability to turn off movement while working on puzzles
  • Make help icon placement more accessible on iPad

In-app purchases

None

Rules!

No in-app purchases

None

Ouros

No in-app purchases

Questions

Is Rules! free?
Rules! costs $2.99, with no in-app purchases.
Is Ouros free?
Ouros costs $2.99, with no in-app purchases.
Which has better reviews, Rules! or Ouros?
Ouros is rated higher. Rules! averages 4.2 out of 5 from 67 ratings, while Ouros averages 4.9 from 82 ratings.
Do Rules! or Ouros have ads?
Neither Rules! nor Ouros shows ads.
Which is updated more often, Rules! or Ouros?
Rules! ships an update monthly, and Ouros every 5 months. Most recently, Rules! was updated on October 13, 2026 and Ouros on October 12, 2026.

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