# VO2Pro: HIIT Trainer — Workouts to improve VO2 max

> Science-backed HIIT trainer for improving VO2 max with live heart-rate coaching. (iPhone/iPad app by 敏 周.)

- Source: https://appshunter.io/ios/app/vo2pro-hiit-trainer/id6780353919 (this page in markdown: same URL + `.md`)
- Developer: [敏 周](https://appshunter.io/developer/1033391298)
- Category: Health & Fitness
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 17+
- Requires: iOS 26.0 · 9 MB
- Languages: American English
- Released: 2026-07-08
- Data updated: 2026-07-17
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/vo2pro-hiit-trainer/id6780353919/reviews.md

## What is VO2Pro?

Your VO₂ max is the single best predictor of longevity.
VO2Pro is designed to raise your VO₂ max, with short, science-backed intervals and live heart-rate coaching.

LIVE HEART-RATE COACHING
Train smarter, with real-time Apple Watch heart rate coaching.

PROVEN PROTOCOLS
• Norwegian 4×4 — the gold-standard VO₂ max builder
• Tabata Sprints — 8 all-out rounds that takes less than 7 minutes
• 30/60 — 8 rounds of 30s hard, 60s easy
• Custom workouts — build your own intervals

SEE YOUR PROGRESS
See a projection of where ~8 weeks of consistent training can take your VO₂ max

PRIVATE BY DESIGN
Your health data stays on your devices and in Apple Health. No accounts, no ads. 

VO2PRO MAX
Unlock the 2-month VO₂ max forecast, custom workouts, and the full protocol library. Payment is charged to your Apple Account at confirmation. Subscriptions auto-renew unless cancelled at least 24 hours before the period ends; manage or cancel in your Apple Account settings.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://vo2pro.web.app/privacy

## Key features

- Live Apple Watch heart rate coaching
- Proven VO2 max building protocols
- Custom interval workout builder
- VO2 max progress projection
- Private health data storage
- No ads

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| VO2Pro Max Yearly | $29.99 | per year |
| VO2Pro Max Monthly | $3.99 | per month |



## Frequently asked questions about VO2Pro

### What is VO2Pro?

VO2Pro is a HIIT trainer designed to improve your VO2 max using science-backed intervals and live heart-rate coaching. It offers proven protocols and custom workout options.

### Does VO2Pro have ads?

No, VO2Pro is designed to be private by design and does not contain any advertisements.

### What are the subscription plans for VO2Pro?

VO2Pro offers a monthly subscription for $3.99 and a yearly subscription for $29.99, which includes a 3-day free trial.

### How does VO2Pro track heart rate?

VO2Pro provides live heart-rate coaching using your Apple Watch, allowing you to train smarter in real-time.

### Can I create my own workouts in VO2Pro?

Yes, VO2Pro allows you to build your own custom interval workouts to suit your specific training needs.

### Where is my health data stored with VO2Pro?

Your health data stays on your devices and is stored in Apple Health, ensuring privacy as there are no accounts required.

### What is the age rating for VO2Pro?

VO2Pro has an age rating of 17+, indicating it is intended for adult users.

### How often is VO2Pro updated?

VO2Pro was last updated on July 8, 2026, with version 1.0, and was initially released on the same date.

## Version history (last 1 release)

### 1.0 — 2026-07-08

No release notes.

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All apps by 敏 周: https://appshunter.io/developer/1033391298

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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 2026-07-17.*