# Sonra Watch vs Whistle Performance

Sonra Watch and Whistle Performance both sit at 3.7 stars, but that hides the real split: 100% of Whistle Performance's written reviews are positive against 0% of Sonra Watch's. Whistle Performance also leads on update cadence (every 8 days vs every 3 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.7 for Sonra Watch against 3.6 for Whistle Performance. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews are what separate them: 0% of Sonra Watch's written reviews are positive against 100% of Whistle Performance's.

Sonra Watch ships an update every 3 months, Whistle Performance every 8 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sonra Watch | Whistle Performance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/sonra-watch/id1503020611/reviews)** | [3.6 (7 ratings)](https://appshunter.io/ios/app/whistle-performance/id1638068131/reviews) |
| Number of ratings | 3 | **7** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 22 MB | 39 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Statsports International Limited](https://appshunter.io/developer/1188732856) | [GPS DataViz](https://appshunter.io/developer/1638068133) |

## What reviewers say

### Sonra Watch

[App page](https://appshunter.io/ios/app/sonra-watch/id1503020611)

This app provides real-time performance metrics for up to 8 players during training and rehabilitation sessions. It allows coaches to set custom thresholds, receive notifications, and compare player performance. Data is processed on a connected device for accuracy and reliability.

**Highlights:** 28 real-time performance metrics, Support for up to 8 players, Customizable player thresholds, Haptic feedback notifications, Live player comparison view, Session data review, Pacemaker and stopwatch modes

**Features:** Apple Watch app

**In-app purchases:** none


### Whistle Performance

[App page](https://appshunter.io/ios/app/whistle-performance/id1638068131)

This platform helps sports coaches leverage machine learning and predictive analytics to gain actionable insights from performance data. It connects players and coaches to data and subjective surveys, optimizing team workflows and freeing up coaches' time for athlete development.

**Highlights:** Machine learning and predictive analytics, Actionable performance data insights, Player and coach data connection, Subjective survey completion, Optimized team workflows, Coach-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Sonra Watch free?

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

### Is Whistle Performance free?

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

### Which has better reviews, Sonra Watch or Whistle Performance?

Sonra Watch is rated higher. Sonra Watch averages 3.7 out of 5 from 3 ratings, while Whistle Performance averages 3.6 from 7 ratings.

### Do Sonra Watch or Whistle Performance have ads?

Neither Sonra Watch nor Whistle Performance shows ads.

### Which is updated more often, Sonra Watch or Whistle Performance?

Sonra Watch ships an update every 3 months, and Whistle Performance every 8 days. Most recently, Sonra Watch was updated on October 24, 2026 and Whistle Performance on October 30, 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.*