# Arc 9 vs Jump for Roller Brainjot

The clearest difference is rating: Arc 9 at 5.0 against Jump for Roller Brainjot's 2.7. Jump for Roller Brainjot's advantage is in-app purchases (none vs 2) and ratings volume (9 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Arc 9 sells 2 one-off in-app purchases. Jump for Roller Brainjot asks for nothing beyond the download.

Arc 9 holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: Jump for Roller Brainjot has 9 ratings behind it against 1, so its average is the more settled of the two.

Arc 9 ships an update weekly, Jump for Roller Brainjot every 2 weeks. The most recent releases landed on October 14, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Arc 9 | Jump for Roller Brainjot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arc-9/id6760680436/reviews)** | [2.7 (9 ratings)](https://appshunter.io/ios/app/jump-for-roller-brainjot/id6761159286/reviews) |
| Number of ratings | 1 | **9** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 5 MB | 265 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MK Productions LLC](https://appshunter.io/developer/1372605906) | [Anh Le Thi Tram](https://appshunter.io/developer/1794706113) |

## What reviewers say

### Arc 9

[App page](https://appshunter.io/ios/app/arc-9/id6760680436)

Pilot a ship through a closing alien defense system, rotating to pass through narrow gaps. Survive increasing speeds and challenges across four threat levels, with options to revive and upgrade your ship.

**Highlights:** One-touch rotation controls, Four progressive difficulty levels, Emergency revive option, 25 unlockable achievements, Global leaderboards, Ship upgrades available

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Extra Shields | $1.99 | one-time |


### Jump for Roller Brainjot

[App page](https://appshunter.io/ios/app/jump-for-roller-brainjot/id6761159286)

Pilot a balloon over lava, collecting items and jumping between platforms. Sell your collected goods to earn coins, which can be used to upgrade your character's abilities for longer and more successful runs. Enjoy simple controls and fast-paced, addictive gameplay.

**Highlights:** Balloon flight controls, Item collection and selling, Platform jumping, Lava avoidance, Character upgrades, Fast progression

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

**In-app purchases:** none


## Frequently asked questions

### Is Arc 9 free?

Arc 9 is free to download, with in-app purchases available.

### Is Jump for Roller Brainjot free?

Jump for Roller Brainjot is free to download, with no in-app purchases.

### Which has better reviews, Arc 9 or Jump for Roller Brainjot?

Arc 9 is rated higher. Arc 9 averages 5.0 out of 5 from 1 ratings, while Jump for Roller Brainjot averages 2.7 from 9 ratings.

### Do Arc 9 or Jump for Roller Brainjot have ads?

Both Arc 9 and Jump for Roller Brainjot show ads.

### Which is updated more often, Arc 9 or Jump for Roller Brainjot?

Arc 9 ships an update weekly, and Jump for Roller Brainjot every 2 weeks. Most recently, Arc 9 was updated on October 14, 2026 and Jump for Roller Brainjot on October 22, 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.*