# O vs Saturn Slalom

The clearest difference is update cadence: Saturn Slalom at every 2 days against O's every 4 months. Saturn Slalom also leads on chart position (#115 vs unranked) and iOS requirement (13.0 vs 16.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. O sells 1 one-off in-app purchase and Saturn Slalom sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for O against 4.6 for Saturn Slalom. Both are backed by a comparable volume of ratings — 196 and 174 respectively. Written reviews are what separate them: 73% of O's written reviews are positive against 71% of Saturn Slalom's.

O ships an update every 4 months, Saturn Slalom every 2 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | O | Saturn Slalom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (196 ratings)](https://appshunter.io/ios/app/o-void/id6449623550/reviews) | **[4.6 (174 ratings)](https://appshunter.io/ios/app/saturn-slalom/id6752789906/reviews)** |
| Number of ratings | **196** | 174 |
| Positive reviews | **72.9% of reviews** | 70.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#115** |
| Size | 52 MB | 150 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gearhead Games ApS](https://appshunter.io/developer/1163605497) | [Noodlecake](https://appshunter.io/developer/370828169) |

## 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


### Saturn Slalom

[App page](https://appshunter.io/ios/app/saturn-slalom/id6752789906)

**Currently charting:** #115 Top Free · Music (US App Store)

Navigate a rocket through an audio-reactive galaxy, scoring points by flying close to celestial bodies. Experience dynamic visuals and sound that respond to your gameplay, with immersive haptics and challenging missions.

**Highlights:** Audio-reactive visuals and sound, Intuitive tap controls, Risk-and-reward combo system, Immersive visual effects, Intense haptic feedback, Endless gameplay with missions, Game Center leaderboards and achievements

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is O free?

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

### Is Saturn Slalom free?

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

### Which has better reviews, O or Saturn Slalom?

Saturn Slalom is rated higher. O averages 4.6 out of 5 from 196 ratings, while Saturn Slalom averages 4.6 from 174 ratings.

### Do O or Saturn Slalom have ads?

Both O and Saturn Slalom show ads.

### Which is updated more often, O or Saturn Slalom?

O ships an update every 4 months, and Saturn Slalom every 2 days. Most recently, O was updated on November 7, 2026 and Saturn Slalom on November 9, 2026.

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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.*