CadioWatch vs BarMath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CadioWatch
Monitor your heart rate and blood oxygen levels with this companion app for Apple Watch. Easily share your health data charts with doctors, trainers, or family. View your historical health metrics with an intuitive interface.
- Heart rate monitoring
- Oxygen saturation tracking
- Data sharing via QR code
- Historical health data viewing
- Intuitive app design
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Introducing CardioWatch for Apple Watch - the ultimate heart health companion! With our advanced heart rate and oxygen saturation monitoring technology, you can now track your beats per minute and oxygen level, and easily share your data with others. Simply scan the QR code generated by the app to share your heart rate and oxygen saturation chart with your doctor, personal trainer, or loved ones. Our intuitive app design also makes it easy to view your heart rate and oxygen saturation history. Download CardioWatch today and take control of your heart and lung health!
BarMath
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BarMath – Barbell Weight Calculator for Apple Watch BarMath makes calculating your barbell weight as easy as lifting it (well, almost)! With BarMath on your Apple Watch, just set your bar weight, tap in your plates, and let the app do the math. Perfect for gym-goers who want to skip the mental math and stay focused on the lift. Features: Instant Calculations: Add the bar weight, select your plates, and see the total instantly. Always on Your Wrist: No need to reach for your phone—calculate right from your Apple Watch. Clear & Simple Display: Easy-to-read weight totals with no extra clutter. Easy to Use: Tap plate to add weight. Tap more than once to add multiple of same weight. The app will automatically double the plates for both sides of bar and add bar weight for total.
Screenshots
Verdict
The clearest difference is update cadence: CadioWatch at every 5 days against BarMath's every 3 months. BarMath's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CadioWatch ships an update every 5 days, BarMath every 3 months. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.
| Parameter | CadioWatch | BarMath |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | OAXON INC. | Tanya Landsman |
In-app purchases
CadioWatch
No in-app purchases
BarMath
No in-app purchases









