# RHR Tracker for Watch vs Develop Strength

The clearest difference is in-app purchases: Develop Strength at none against RHR Tracker for Watch's 1. RHR Tracker for Watch's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 3 months). On price and device support there is nothing between them.

Both are free to download. RHR Tracker for Watch sells 1 one-off in-app purchase. Develop Strength asks for nothing beyond the download.

RHR Tracker for Watch ships an update every 2 weeks, Develop Strength every 3 months. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RHR Tracker for Watch | Develop Strength |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/rhr-tracker-for-watch/id1502531682/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 91 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sydvesti Oy](https://appshunter.io/developer/912783647) | [Develop Strength](https://appshunter.io/developer/1783443188) |

## What reviewers say

### RHR Tracker for Watch

[App page](https://appshunter.io/ios/app/rhr-tracker-for-watch/id1502531682)

This app tracks your resting heart rate using data from your Apple Watch and the Health app. It monitors changes, alerts you to elevated rates, and allows symptom logging. View daily min/max values and receive morning reports comparing your RHR to your long-term average.

**Highlights:** Tracks resting heart rate changes, Alerts for elevated RHR, Symptom logging, Watch face complications, Daily min/max RHR values, Morning RHR reports, iCloud data syncing

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $0.99 | one-time |


### Develop Strength

[App page](https://appshunter.io/ios/app/develop-strength/id6477240827)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is RHR Tracker for Watch free?

RHR Tracker for Watch is free to download, with in-app purchases available.

### Is Develop Strength free?

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

### Do RHR Tracker for Watch or Develop Strength have ads?

Develop Strength shows ads; RHR Tracker for Watch does not.

### Which is updated more often, RHR Tracker for Watch or Develop Strength?

RHR Tracker for Watch ships an update every 2 weeks, and Develop Strength every 3 months. Most recently, RHR Tracker for Watch was updated on September 24, 2026 and Develop Strength on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*