# FRGflex vs RUFbus 2.0

The clearest difference is update cadence: RUFbus 2.0 at fortnightly against FRGflex's every 5 weeks. FRGflex's advantage is iOS requirement (15.0 vs 17.7.2). On price, ads, in-app purchases and device support there is nothing between them.

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

FRGflex ships an update every 5 weeks, RUFbus 2.0 fortnightly. Both last shipped on October 7, 2026.

## The numbers

| Metric | FRGflex | RUFbus 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Size | 134 MB | 81 MB |
| Requires iOS | **15.0** | 17.7.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Via Transportation, Inc.](https://appshunter.io/developer/657777018) | [Rufbus Mobilitaets GmbH](https://appshunter.io/developer/1823847919) |

## What reviewers say

### FRGflex

[App page](https://appshunter.io/ios/app/frgflex/id6760655803)

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

**In-app purchases:** none


### RUFbus 2.0

[App page](https://appshunter.io/ios/app/rufbus-20/id6779202975)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is FRGflex free?

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

### Is RUFbus 2.0 free?

RUFbus 2.0 is free to download, with no in-app purchases.

### Do FRGflex or RUFbus 2.0 have ads?

Neither FRGflex nor RUFbus 2.0 shows ads.

### Which is updated more often, FRGflex or RUFbus 2.0?

FRGflex ships an update every 5 weeks, and RUFbus 2.0 fortnightly. Most recently, FRGflex was updated on October 7, 2026 and RUFbus 2.0 on October 7, 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.*