# BuddyOS vs RUD

The clearest difference is iOS requirement: RUD at 12.0 against BuddyOS's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BuddyOS ships an update every 3 weeks, RUD every 2 weeks. The most recent releases landed on May 16, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | BuddyOS | RUD |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 40 MB | 111 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [OLLI TECHNOLOGY CORPORATION](https://appshunter.io/developer/1231462360) | [Racing Underdog Sdn. Bhd.](https://appshunter.io/developer/1752701254) |

## What reviewers say

### BuddyOS

[App page](https://appshunter.io/ios/app/buddyos/id6502623461)

**Features:** macOS Compatibility

**In-app purchases:** none


### RUD

[App page](https://appshunter.io/ios/app/rud/id6504531515)

Manage your karting experience with this app. Access digital tickets, sign indemnity forms, and view race results from various circuits. It's designed for both racers and enthusiasts to stay connected to the karting world.

**Highlights:** Multi-circuit race results, Digital ticket management, Ticket redemption from kiosks, Ticket transfer to other members, In-app indemnity form signing, View indemnity records

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BuddyOS free?

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

### Is RUD free?

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

### Do BuddyOS or RUD have ads?

Neither BuddyOS nor RUD shows ads.

### Which is updated more often, BuddyOS or RUD?

BuddyOS ships an update every 3 weeks, and RUD every 2 weeks. Most recently, BuddyOS was updated on May 16, 2026 and RUD on August 1, 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.*