# O vs OzzieSaurus

The clearest difference is in-app purchases: OzzieSaurus at none against O's 1. OzzieSaurus also leads on review sentiment (100% vs 73%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. O sells 1 one-off in-app purchase. OzzieSaurus asks for nothing beyond the download.

## The numbers

| Metric | O | OzzieSaurus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (196 ratings)](https://appshunter.io/ios/app/o-void/id6449623550/reviews)** | — |
| Number of ratings | **196** | — |
| Positive reviews | 72.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 52 MB | 6 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gearhead Games ApS](https://appshunter.io/developer/1163605497) | [Berkin Sili](https://appshunter.io/developer/1721733234) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-void/id6449623550)

Navigate a spinning circle through challenging obstacles in this minimal action runner. Levels dynamically change direction and flip, testing your reflexes. Compete globally and unlock customizations.

**Highlights:** One-tap gameplay, Mind-bending geometry, Randomly generated levels, Chiptune soundtrack, Unlockable customizations, Global leaderboards

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |

**What reviewers like**

- 🎶 Great music/soundtrack
- 🎮 Challenging and satisfying gameplay
- 💡 Innovative game mechanics
- 💯 High skill ceiling/mastery
- ✨ Simple yet addictive

**What reviewers complain about**

- 😵 Dizzying/makes users sick
- 🥵 Extremely difficult/too hard
- ⏳ Too short/lacks content
- 😵‍💫 Trippy and weird visuals
- 🤢 Makes users feel sick

**Reported bugs**

- Spinning makes users sick
- Obstacles in later levels require luck/insane reaction time
- Effect does not disappear properly in penultimate level
- Game is glitchy, laggy, and unresponsive
- Revive ad doesn't work/can't close ad

**Requested features**

- Add more levels
- New dimension/different gameplay principle
- User level creator
- More beats/music synchronization
- Option to turn down color brightness


### OzzieSaurus

[App page](https://appshunter.io/ios/app/ozziesaurus/id6476233305)

Embark on an intergalactic journey as an astronaut dinosaur, navigating through space, dodging asteroids, and exploring celestial wonders. Compete with friends and climb leaderboards in this endless space exploration game.

**Highlights:** Space exploration, Dinosaur astronaut gameplay, Asteroid dodging, Leaderboard competition, Intuitive controls, Endless replayability

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is O free?

O is free to download, with in-app purchases available.

### Is OzzieSaurus free?

OzzieSaurus is free to download, with no in-app purchases.

### Do O or OzzieSaurus have ads?

Both O and OzzieSaurus show ads.

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