# BDSU vs oneRENK

The clearest difference is update cadence: oneRENK at fortnightly against BDSU's every 4 months. BDSU's advantage is iOS requirement (13.0 vs 17.0). 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.

BDSU ships an update every 4 months, oneRENK fortnightly. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | BDSU | oneRENK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 17 MB | 83 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Bundesverband Deutscher Studentischer Unternehmensberatungen e. V.](https://appshunter.io/developer/1448360743) | [RENK Aktiengesellschaft](https://appshunter.io/developer/1626853055) |

## What reviewers say

### BDSU

[App page](https://appshunter.io/ios/app/bdsu-treffen/id1367000232)

**Features:** macOS Compatibility

**In-app purchases:** none


### oneRENK

[App page](https://appshunter.io/ios/app/onerenk/id1626853053)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BDSU free?

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

### Is oneRENK free?

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

### Do BDSU or oneRENK have ads?

Neither BDSU nor oneRENK shows ads.

### Which is updated more often, BDSU or oneRENK?

BDSU ships an update every 4 months, and oneRENK fortnightly. Most recently, BDSU was updated on September 18, 2026 and oneRENK on September 14, 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.*