# Rules! vs Ouros

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.

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.

## The numbers

| Metric | Rules! | Ouros |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | [4.2 (67 ratings)](https://appshunter.io/ios/app/rules/id840811083/reviews) | **[4.9 (82 ratings)](https://appshunter.io/ios/app/ouros/id6475737476/reviews)** |
| Number of ratings | 67 | **82** |
| Positive reviews | 70.8% of reviews | **90.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | **Free** | Paid |
| Size | 25 MB | 138 MB |
| Requires iOS | 15.2 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [137b](https://appshunter.io/developer/411511949) | [Michael Kamm](https://appshunter.io/developer/1504129596) |

## What reviewers say

### Rules!

[App page](https://appshunter.io/ios/app/rules/id840811083)

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:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Challenging and fun game
- 👍 Gorgeous design and smooth UI
- 👍 Great brain workout
- 👍 Addictive gameplay
- 👍 Fair monetization with no ads or IAPs

**What reviewers complain about**

- 🕰️ Very short time limit
- 🔁 Having to restart from level 1 after losing
- 🎨 Colorblind-unfriendly
- 🤔 Repetitive gameplay with same rule order

**Reported bugs**

- Freezing and crashing issues, especially on Apple Watch
- Unresponsive tapping on certain tiles

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/ouros/id6475737476)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🎨 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

**What reviewers complain about**

- ⏳ 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

**Reported bugs**

- Sound/SFX not working on iPhone
- Numbers are sideways in portrait mode
- Issue getting into corners with no running room on iPad

**Requested features**

- 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


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*