# High Octane! vs FlashNine

The clearest difference is in-app purchases: FlashNine at none against High Octane!'s 1. FlashNine also leads on update cadence (every 2 days vs every 4 months). High Octane!'s advantage is iOS requirement (15.6 vs 17.2). On price, ads and device support there is nothing between them.

Both are free to download. High Octane! sells 1 one-off in-app purchase. FlashNine asks for nothing beyond the download.

High Octane! ships an update every 4 months, FlashNine every 2 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | High Octane! | FlashNine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (8 ratings)](https://appshunter.io/ios/app/high-octane/id1537161778/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 5 MB |
| Requires iOS | **15.6** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [ZeMind Game Studio Ltd](https://appshunter.io/developer/437992894) | [Saki Inoue](https://appshunter.io/developer/1557109246) |

## What reviewers say

### High Octane!

[App page](https://appshunter.io/ios/app/high-octane/id1537161778)

Embark on a physics-based action platformer adventure as a superhero with randomized stages and comic book-style visuals. Master unique movement mechanics, unlock new gameplay modes, and customize your hero with a variety of outfits. Share your best (or worst) runs with the built-in replay feature.

**Highlights:** Physics-based action platformer, Randomized stages, Comic book-style visuals, Unlockable gameplay modes, Hero customization with outfits, Built-in replay feature

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Double Coin Boost | $0.99 | one-time |


### FlashNine

[App page](https://appshunter.io/ios/app/flashnine/id6503212333)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is High Octane! free?

High Octane! is free to download, with in-app purchases available.

### Is FlashNine free?

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

### Do High Octane! or FlashNine have ads?

Both High Octane! and FlashNine show ads.

### Which is updated more often, High Octane! or FlashNine?

High Octane! ships an update every 4 months, and FlashNine every 2 days. Most recently, High Octane! was updated on October 24, 2026 and FlashNine on October 19, 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.*