# Nirius ProCoach vs Blue Pebbles

The clearest difference is update cadence: Blue Pebbles at every 4 months against Nirius ProCoach's every 21 months. Blue Pebbles also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, 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.

Nirius ProCoach ships an update every 21 months, Blue Pebbles every 4 months. The most recent releases landed on May 19, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | Nirius ProCoach | Blue Pebbles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blue-pebbles/id1624698212/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 15 MB | 37 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nirius Networks Ltd](https://appshunter.io/developer/1336238132) | [AON2 LTD](https://appshunter.io/developer/1444878946) |

## What reviewers say

### Nirius ProCoach

[App page](https://appshunter.io/ios/app/nirius-procoach/id1496161684)

**Features:** macOS Compatibility

**In-app purchases:** none


### Blue Pebbles

[App page](https://appshunter.io/ios/app/blue-pebbles/id1624698212)

This app serves as a companion to the Brilliant Pebbles audible altimeter. It enhances the functionality and user experience of the altimeter device.

**Highlights:** Companion app functionality, Enhances altimeter device, Audible altimeter integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nirius ProCoach free?

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

### Is Blue Pebbles free?

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

### Do Nirius ProCoach or Blue Pebbles have ads?

Neither Nirius ProCoach nor Blue Pebbles shows ads.

### Which is updated more often, Nirius ProCoach or Blue Pebbles?

Nirius ProCoach ships an update every 21 months, and Blue Pebbles every 4 months. Most recently, Nirius ProCoach was updated on May 19, 2026 and Blue Pebbles on June 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.*