# Sonar Fit vs RepSense

The clearest difference is in-app purchases: RepSense at none against Sonar Fit's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sonar Fit sells 2 in-app purchases, starting at $3.99 per month. RepSense asks for nothing beyond the download.

Sonar Fit ships an update every 2 weeks, RepSense fortnightly. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sonar Fit | RepSense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Size | 11 MB | 14 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Floxx Labs](https://appshunter.io/developer/1767788796) | [Alan Bryden](https://appshunter.io/developer/1857821513) |

## What reviewers say

### Sonar Fit

[App page](https://appshunter.io/ios/app/sonar-fit/id6740939129)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $3.99 | per month |
| Unlimited access | $29.99 | per year |


### RepSense

[App page](https://appshunter.io/ios/app/repsense/id6757368007)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sonar Fit free?

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

### Is RepSense free?

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

### Do Sonar Fit or RepSense have ads?

Neither Sonar Fit nor RepSense shows ads.

### Which is updated more often, Sonar Fit or RepSense?

Sonar Fit ships an update every 2 weeks, and RepSense fortnightly. Most recently, Sonar Fit was updated on October 18, 2026 and RepSense on October 24, 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.*