# McRun vs V.O2

The clearest difference is price: V.O2 at Free against McRun's $4.99. V.O2 also leads on rating (4.9 vs 4.2) and update cadence (every 6 days vs every 3 months). McRun's advantage is in-app purchases (none vs 17) and iOS requirement (7.1 vs 16.6). On ads and device support there is nothing between them.

V.O2 is free to download; McRun costs $4.99 up front. V.O2 sells 16 in-app purchases, starting at $12.99 per month. McRun asks for nothing beyond the download.

V.O2 holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: V.O2 has 6.3K ratings behind it against 144, so its average is the more settled of the two. Written reviews point the same way: 60% of McRun's written reviews are positive against 71% of V.O2's.

McRun ships an update every 3 months, V.O2 every 6 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | McRun | V.O2 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.2 (144 ratings)](https://appshunter.io/ios/app/mcrun/id539181544/reviews) | **[4.9 (6.3K ratings)](https://appshunter.io/ios/app/vo2-running-coach/id977666802/reviews)** |
| Number of ratings | 144 | **6.3K** |
| Positive reviews | 59.6% of reviews | **71.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 142 MB |
| Requires iOS | **7.1** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [john abraham](https://appshunter.io/developer/513269356) | [The Run SMART Project, LLC](https://appshunter.io/developer/973571013) |

## What reviewers say

### McRun

[App page](https://appshunter.io/ios/app/mcrun/id539181544)

Calculate your running potential across various distances using your best race time. Get personalized training paces for different workout types and discover motivational tips to optimize your performance. This tool helps you target and train for peak running achievements.

**Highlights:** Calculate equivalent race times, Suggest optimal training paces, Target peak performance, Motivational quotes and tips, Supports distances from 100 yards to 100 miles

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use interface
- 🎯 Accurate pace calculations
- ⚡ Quick workout pace suggestions
- 📊 Helpful race predictor tool
- 🏃 Great training aid for runners

**What reviewers complain about**

- 🐛 Frequent app crashes on startup
- 💰 Expensive for limited functionality
- ❌ Less capable than free website version
- ⚠️ Lacks detailed workout descriptions
- 🚫 Missing key features from website

**Reported bugs**

- App crashes immediately upon opening
- Crashes on iPhone 6, iPhone XS Max, iPhone 5s, iPad Pro
- Incompatible with iOS 8.3, iOS 9.1, iOS 10
- App closes itself within 3-6 seconds of launch
- Crashes after recent iOS updates

**Requested features**

- Display vLT and vVO2 data like website
- Add 600m distance to speed paces
- Include VO2 max calculation function
- Show pace for different race distances
- Add workout descriptions and explanations


### V.O2

[App page](https://appshunter.io/ios/app/vo2-running-coach/id977666802)

This app provides adaptive training plans and personalized coaching for runners of all levels. It assesses your fitness, offers custom paces, and syncs with popular devices. Train intelligently to achieve measurable improvements and become your best runner.

**Highlights:** Adaptive training plans, VDOT fitness assessment, Personalized training paces, Sync with Apple Health, Coros, Garmin, Strava, Real-time guidance on Apple Watch, Coros, Garmin, Training adaptation based on improvement, Coach communication and training adjustments

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Adaptive Training Subscription | $12.99 | per month |
| Adaptive Training - Annual | $99.99 | per year |
| Base/Fitness - 8 weeks | $44.99 | one-time |
| Half Marathon - 12 weeks | $54.99 | one-time |
| 10 Km - 12 weeks | $54.99 | one-time |
| 5 Km - 12 weeks | $54.99 | one-time |
| 1500m - 12 weeks | $54.99 | one-time |
| 3 Km - 12 weeks | $54.99 | one-time |
| Marathon - 15 weeks | $69.99 | one-time |
| Half Marathon - 15 weeks | $69.99 | one-time |
| Marathon - 18 weeks | $79.99 | one-time |
| Half Marathon - 18 weeks | $79.99 | one-time |
| Jack's Elite Marathon - 18wks | $79.99 | one-time |
| Jack's First Marathon - 18wks | $79.99 | one-time |
| Jack's Boston Marathon - 18wks | $94.99 | one-time |
| Marathon - 24 weeks | $99.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Great integration with Garmin watches
- 💡 Excellent for coaching and athlete communication
- 👍 Fantastic adaptive programming and training plans
- 👍 Seamless sync with Garmin and other platforms

**What reviewers complain about**

- 🐛 Issues with syncing to Garmin and other platforms
- 🐛 Inconsistent performance and bugs
- 🐛 Difficulty editing or moving workouts
- 🐛 Inaccurate elevation and GPS tracking
- 🔍 Limited customization and preset workout options

**Reported bugs**

- Apple Watch app issues and lack of functionality
- Problems with syncing Garmin runs to the correct workouts
- Inconsistent elevation and GPS data
- Bugs and crashes when using the app

**Requested features**

- Ability to duplicate and edit workouts
- Improved Apple Watch and Health app integration
- More advanced adaptive training and automation
- Expanded cross-training and workout modalities
- Better user interface and workflow for coaches


## Frequently asked questions

### Is McRun free?

McRun costs $4.99, with no in-app purchases.

### Is V.O2 free?

V.O2 is free to download, with in-app purchases available.

### Which has better reviews, McRun or V.O2?

V.O2 is rated higher. McRun averages 4.2 out of 5 from 144 ratings, while V.O2 averages 4.9 from 6.3K ratings.

### Do McRun or V.O2 have ads?

Neither McRun nor V.O2 shows ads.

### Which is updated more often, McRun or V.O2?

McRun ships an update every 3 months, and V.O2 every 6 days. Most recently, McRun was updated on October 15, 2026 and V.O2 on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*