# Pi Relay vs Un Bien

The clearest difference is update cadence: Un Bien at weekly against Pi Relay's fortnightly. Un Bien also leads on device support (3 vs 1). 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.

Pi Relay ships an update fortnightly, Un Bien weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Pi Relay | Un Bien |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/un-bien/id6807171218/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 2 MB | 7 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Zerui Zhou](https://appshunter.io/developer/1817055091) | [George Harker](https://appshunter.io/developer/6807171220) |

## What reviewers say

### Pi Relay

[App page](https://appshunter.io/ios/app/pi-relay/id6768893799)

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

**In-app purchases:** none


### Un Bien

[App page](https://appshunter.io/ios/app/un-bien/id6807171218)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pi Relay free?

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

### Is Un Bien free?

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

### Do Pi Relay or Un Bien have ads?

Neither Pi Relay nor Un Bien shows ads.

### Which is updated more often, Pi Relay or Un Bien?

Pi Relay ships an update fortnightly, and Un Bien weekly. Most recently, Pi Relay was updated on October 25, 2026 and Un Bien on October 24, 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.*