# Coboc App vs Grau

The clearest difference is update cadence: Coboc App at every 3 weeks against Grau's every 3 months. Grau's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Coboc App ships an update every 3 weeks, Grau every 3 months. The most recent releases landed on June 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Coboc App | Grau |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 5.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 24 MB | 33 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Coboc GmbH & Co. KG](https://appshunter.io/developer/1540775730) | [Grau GmbH](https://appshunter.io/developer/1591414907) |

## What reviewers say

### Coboc App

[App page](https://appshunter.io/ios/app/coboc-app/id1540775728)

Personalize your electric bike's performance with adjustable support and responsiveness settings for different riding modes. This app also acts as a digital profile for your e-bike and provides direct access to customer service.

**Highlights:** Customize riding modes, Adjust support levels, Configure responsiveness, Digital e-bike profile, Direct customer service contact

**In-app purchases:** none


### Grau

[App page](https://appshunter.io/ios/app/grau/id1591414905)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Coboc App free?

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

### Is Grau free?

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

### Do Coboc App or Grau have ads?

Neither Coboc App nor Grau shows ads.

### Which is updated more often, Coboc App or Grau?

Coboc App ships an update every 3 weeks, and Grau every 3 months. Most recently, Coboc App was updated on June 11, 2026 and Grau on September 10, 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.*