# Un Bien vs RelayPulse

The clearest difference is in-app purchases: Un Bien at none against RelayPulse's 1. RelayPulse's advantage is update cadence (daily vs every 9 days) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. RelayPulse sells 1 one-off in-app purchase. Un Bien asks for nothing beyond the download.

Un Bien ships an update every 9 days, RelayPulse daily. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Un Bien | RelayPulse |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Monetization | Free | — |
| Size | 7 MB | 6 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPod, Mac |
| Age rating | 4+ | 17+ |
| Developer | [George Harker](https://appshunter.io/developer/6807171220) | [baris adiyaman](https://appshunter.io/developer/6808102871) |

## What reviewers say

### Un Bien

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

A native client for the Pi coding agent, allowing users to connect to their own machines. It provides live transcripts, inline images, and interactive prompts for clarifications. The app is self-hosted with no cloud, account, or telemetry.

**Highlights:** Live transcripts with styled edit diffs, Inline images and thinking blocks, Plan & subagent panels, Interactive prompt for clarifications, Launch new sessions on paired machines, Self-hosted design with no cloud or telemetry

**Features:** Vision Pro support

**In-app purchases:** none


### RelayPulse

[App page](https://appshunter.io/ios/app/relaypulse/id6808128260)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RelayPulse | $6.99 | one-time |


## Frequently asked questions

### Is Un Bien free?

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

### Is RelayPulse free?

RelayPulse is free to download, with in-app purchases available.

### Do Un Bien or RelayPulse have ads?

Neither Un Bien nor RelayPulse shows ads.

### Which is updated more often, Un Bien or RelayPulse?

Un Bien ships an update every 9 days, and RelayPulse daily. Most recently, Un Bien was updated on October 29, 2026 and RelayPulse on October 26, 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.*