# PR Member vs Calibrex

The clearest difference is rating: PR Member at 5.0 against Calibrex's 3.7. Calibrex's advantage is update cadence (fortnightly vs every 3 months). On price, ratings volume, 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.

PR Member holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 8 and 11 respectively.

PR Member ships an update every 3 months, Calibrex fortnightly. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | PR Member | Calibrex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/pr-member/id6504797353/reviews)** | [3.7 (11 ratings)](https://appshunter.io/ios/app/calibrex/id6741951538/reviews) |
| Number of ratings | 8 | **11** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 55 MB | 150 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Momence, Inc.](https://appshunter.io/developer/1577856011) | [CALIBREX INC.](https://appshunter.io/developer/1485591463) |

## What reviewers say

### PR Member

[App page](https://appshunter.io/ios/app/pr-member/id6504797353)

Manage your account, book classes, and stay connected with the organization. Easily message staff, view announcements, and access shared content. A convenient way to interact with the community and stay informed.

**Highlights:** Account management, Class and event booking, Direct messaging, Public feed for announcements, Content sharing

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

**In-app purchases:** none


### Calibrex

[App page](https://appshunter.io/ios/app/calibrex/id6741951538)

This wearable device precisely tracks your weightlifting reps, rest, and movements. It provides personalized insights into your training, offering live audio coaching and tailored workouts to help you achieve your strength, speed, or endurance goals.

**Highlights:** Precise rep, rest, and movement tracking, Live audio coaching tailored to goals, Personalized insights into training performance, Advanced tracking and tailored workouts, Set Score, Difficulty Score, Speed Score, Tempo Score, Discover training trends and program balance

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

**In-app purchases:** none


## Frequently asked questions

### Is PR Member free?

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

### Is Calibrex free?

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

### Which has better reviews, PR Member or Calibrex?

PR Member is rated higher. PR Member averages 5.0 out of 5 from 8 ratings, while Calibrex averages 3.7 from 11 ratings.

### Do PR Member or Calibrex have ads?

Neither PR Member nor Calibrex shows ads.

### Which is updated more often, PR Member or Calibrex?

PR Member ships an update every 3 months, and Calibrex fortnightly. Most recently, PR Member was updated on September 18, 2026 and Calibrex on September 14, 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.*