9Round Pulse vs VO2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
9Round Pulse
This app functions as a heart rate monitor specifically designed for training sessions. It helps users track their workout intensity and performance during fitness activities.
- Heart rate monitoring
- Workout intensity tracking
- Performance analysis
- Fitness training support
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Heart Rate Monitor training for 9Round
VO2
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Download the VO2 app to easily book classes and manage your fitness experience - anytime, anywhere. Make a reservation, get added to a wait list, check your profile and membership status, and more – all from your device. Visit https://vo2gymqa.com/ to learn more.
Screenshots
Verdict
The clearest difference is iOS requirement: 9Round Pulse at 11.0 against VO2's 15.6. On price, update cadence, ads and in-app purchases 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.
9Round Pulse ships an update every 3 months, VO2 every 4 months. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.
| Parameter | 9Round Pulse | VO2 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (62 ratings) — better | — |
| Positive reviews | 7.5% of reviews | — |
| Number of ratings | 62 — better | — |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 15 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Nci Technology Inc. | V O TWO GYM |
In-app purchases
9Round Pulse
No in-app purchases
VO2
No in-app purchases
