# Engine: Boost your VO2Max — Running tracker, training plan

> Running tracker, training plan (iPhone/iPad app by Les Nants.)

- Source: https://appshunter.io/ios/app/engine-boost-your-vo2max/id6756730497 (this page in markdown: same URL + `.md`)
- Developer: [Les Nants](https://appshunter.io/developer/1807100390)
- Category: Health & Fitness
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 54 MB
- Languages: American English
- Released: 2026-01-14
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/engine-boost-your-vo2max/id6756730497/reviews.md

## What is Engine?

Train Smarter. Run Stronger.

Engine is a running companion built to help you boost your VO₂ max and unlock real endurance gains — without guesswork.

Through personalized training plans and guided runs, Engine gives you the right workout at the right time, so every session actually moves your fitness forward.

Designed for runners who want measurable progress, not random mileage, Engine turns every run into a step toward higher performance and stronger confidence.

Features You’ll Love:
- VO₂ Max Running Plans: Get personalized running plans designed specifically to improve your VO₂ max, endurance, and efficiency.
- Guided Run Player: Hit start and let Engine guide your session — pace cues, structure, and automatic tracking included.
- Clear Performance Insights: Visualize your VO₂ max, endurance, and consistency with clean stats and easy-to-read trends.
- Train With Confidence: Know why you’re running each workout — and how it’s pushing your fitness higher.

Turn Every Run Into Progress.

Each workout has a purpose. No junk miles, no overthinking.

Download Engine and watch your fitness rise.

Run focused. Build power. Go further.

A subscription is required to access the full app experience and features.

Terms of Use: https://legal.rocapine.com/terms
Privacy policy: https://legal.rocapine.com/privacy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly Plan | $39.99 | per year |
| Monthly Plan | $9.99 | per month |



## Version history (last 4 releases)

### 1.0.3 — 2026-02-25

We've made some bug fixes to improve user experience. 
Thanks for trusting Engine!

### 1.0.2 — 2026-01-30

We made some bug fixes to improve user experience.
Thanks fro trusting Engine!

### 1.0.1 — 2026-01-20

We made some bug fixes to improve user experience.
Thanks fro trusting Engine!

### 1.0 — 2026-01-14

No release notes.

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All apps by Les Nants: https://appshunter.io/developer/1807100390

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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 2026-05-19.*