# Re vs Zechenklänge

The clearest difference is update cadence: Re at every 2 months against Zechenklänge's every 3 months. Re also leads on iOS requirement (10.0 vs 15.1). 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.

Re ships an update every 2 months, Zechenklänge every 3 months. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Re | Zechenklänge |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 260 MB | 48 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brandenburgische Technische Universitaet Cottbus-Senftenberg](https://appshunter.io/developer/626792264) | [Landschaftsverband Westfalen-Lippe (LWL)](https://appshunter.io/developer/616049731) |

## What reviewers say

### Re

[App page](https://appshunter.io/ios/app/reconstruction/id1479008884)

Step into a post-apocalyptic future where you join a network to save the world. Engage in quests, develop future technologies, and analyze your progress. Your contributions are vital to restoring balance.

**Highlights:** Quests in 4 game areas, Avatar customization, Environment analysis, Progress tracking, Background information videos, Glossary

**Features:** macOS Compatibility

**In-app purchases:** none


### Zechenklänge

[App page](https://appshunter.io/ios/app/zechenklange/id6747337876)

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

**In-app purchases:** none


## Frequently asked questions

### Is Re free?

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

### Is Zechenklänge free?

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

### Do Re or Zechenklänge have ads?

Neither Re nor Zechenklänge shows ads.

### Which is updated more often, Re or Zechenklänge?

Re ships an update every 2 months, and Zechenklänge every 3 months. Most recently, Re was updated on October 20, 2026 and Zechenklänge on October 25, 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.*