# MyRX: Fitness Workout Tracker — Strength, cardio, sleep & more

> Strength, cardio, sleep & more (iPhone/iPad app by Northern Princess LLC.)

- Source: https://appshunter.io/ios/app/myrx-fitness-workout-tracker/id6783132751 (this page in markdown: same URL + `.md`)
- Developer: [Northern Princess LLC](https://appshunter.io/developer/6783132753)
- Category: Health & Fitness
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 62 MB
- Languages: American English
- Released: 2026-08-25
- Data updated: 2026-11-05

## What is MyRX?

MyRX turns your own numbers into your next step. Log a lift, a run or a night's sleep, and see what to do next, backed by sports science.

STRENGTH: Rep maxes from every effort, so you always know your next weight.
CARDIO: Pace and heart rate zones that help you get faster.
BODYWEIGHT: Your weight, body fat and lean mass, moving toward your goal.
CALORIES: Macros and a daily target tuned to your goal.
HYDRATION: A daily water target built around you.
SLEEP: Your sleep rhythm and a clear target.
HEART: Your resting trend and your time in each zone.

Built for powerlifting, CrossFit, Olympic lifts, strongman, running, rucking, rowing and swimming.

Connect Apple Health to sync your watch.

Free to use. No card, nothing to cancel.

Subscriptions: CoreRX and FullRX are auto-renewing subscriptions purchased through your Apple ID. Manage or cancel anytime from Settings > Billing > Manage plan in the MyRX app. By subscribing, you agree to Apple's Standard Terms of Use (EULA): https://www.apple.com/legal/itunes/appstore/dev/stdeula.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| FullRX | $17.99 | per year |
| CoreRX | $11.99 | per year |


## Is MyRX safe?

Not enough ratings yet to assess MyRX.

## Is MyRX legit?

MyRX: Fitness Workout Tracker has limited verification signals. The AppsHunter Legitimacy Score for MyRX is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 2.0.0 — 2026-10-31

- Bodyweight now tracks your exact body fat
- A cleaner look across the whole app
- Monitor your Muscle Balance on the Strength page
- Steps now live on the Cardio page
- Various improvements and bug fixes.

### 1.9.0 — 2026-10-26

- Type an exact body fat percentage instead of picking a range
- Body fat now shows on your weight graph, with lean and fat mass
- The Bodyweight graph has a Weight and Body fat switch
- Calorie plans are rebuilt on research, with resting calories from lean mass
- Plans stop at a safe minimum body fat for men and women
- The Heart page shows each workout at the times it really ran
- Cardio plans now tick off tiles as you log runs
- Various improvements and bug fixes.

### 1.8.0 — 2026-10-17

- Muscle Balance: a graph on the Strength page showing which body areas you've built most, and which lag behind
- Steps now has a day picker, a new home on the Cardio page, and a history page
- The Heart page now steps back through earlier days and weeks
- Landmine lifts now load by plate at one end of the bar
- The strength search now has a shortcut key row for barbell, dumbbell, kettlebell and double moves
- Various improvements and bug fixes.

### 1.7.0 — 2026-10-11

- The Heart page is rebuilt around your resting heart rate, with today, this week's workouts and a resting trend over time
- Chat messages now show the time and delivery ticks, with day dividers between days
- Linking a watch now brings in about three months of your older heart rate, steps and workouts
- Various improvements and bug fixes.

### 1.6.0 — 2026-10-08

- Weighted and Olympic lift cards now show a time-off note after three or more weeks without logging that lift, suggesting a lighter week and when to skip max attempts
- Box lifts now ask for the height of the box when you log them, with their own card for your best box and every box you've done
- Various improvements and bug fixes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-05.*