# Pi Relay vs Pi Dev Mobile

The clearest difference is iOS requirement: Pi Relay at 17.0 against Pi Dev Mobile's 26.1. On price, update cadence, ads and in-app purchases 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, Pi Dev Mobile every 2 weeks. The most recent releases landed on September 10, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Pi Relay | Pi Dev Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 2 MB | 11 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Zerui Zhou](https://appshunter.io/developer/1817055091) | [Om More](https://appshunter.io/developer/1864525184) |

## 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


### Pi Dev Mobile

[App page](https://appshunter.io/ios/app/pi-dev-mobile/id6789149807)

**Features:** macOS Compatibility, 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 Pi Dev Mobile free?

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

### Do Pi Relay or Pi Dev Mobile have ads?

Neither Pi Relay nor Pi Dev Mobile shows ads.

### Which is updated more often, Pi Relay or Pi Dev Mobile?

Pi Relay ships an update fortnightly, and Pi Dev Mobile every 2 weeks. Most recently, Pi Relay was updated on September 10, 2026 and Pi Dev Mobile on September 27, 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.*