# V.O2 vs Race Pace Calculator

The clearest difference is review sentiment: V.O2 at 71% against Race Pace Calculator's 0%. V.O2 also leads on rating (4.9 vs 1.8) and ads (none vs shown). Race Pace Calculator's advantage is in-app purchases (none vs 17). On price and device support there is nothing between them.

Both are free to download. V.O2 sells 16 in-app purchases, starting at $12.99 per month. Race Pace Calculator asks for nothing beyond the download.

V.O2 holds the better App Store score, 4.9 against 1.8. That said, the two scores are not equally well evidenced: V.O2 has 6.3K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 71% of V.O2's written reviews are positive against 0% of Race Pace Calculator's.

V.O2 ships an update every 6 days, Race Pace Calculator every 10 months. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | V.O2 | Race Pace Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (6.3K ratings)](https://appshunter.io/ios/app/vo2-running-coach/id977666802/reviews)** | [1.8 (4 ratings)](https://appshunter.io/ios/app/race-pace-calculator/id1237644739/reviews) |
| Number of ratings | **6.3K** | 4 |
| Positive reviews | **71.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 10 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 142 MB | 11 MB |
| Requires iOS | **16.6** | 26 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Run SMART Project, LLC](https://appshunter.io/developer/973571013) | [Luis Machado](https://appshunter.io/developer/1162740655) |

## What reviewers say

### 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


### Race Pace Calculator

[App page](https://appshunter.io/ios/app/race-pace-calculator/id1237644739)

Plan your race strategy by calculating target paces, distances, and times. This tool helps runners focus on their performance by simplifying race planning.

**Highlights:** Calculate paces, Calculate distances, Calculate times, Race planning, Running strategy

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is V.O2 free?

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

### Is Race Pace Calculator free?

Race Pace Calculator is free to download, with no in-app purchases.

### Which has better reviews, V.O2 or Race Pace Calculator?

V.O2 is rated higher. V.O2 averages 4.9 out of 5 from 6.3K ratings, while Race Pace Calculator averages 1.8 from 4 ratings.

### Do V.O2 or Race Pace Calculator have ads?

Race Pace Calculator shows ads; V.O2 does not.

### Which is updated more often, V.O2 or Race Pace Calculator?

V.O2 ships an update every 6 days, and Race Pace Calculator every 10 months. Most recently, V.O2 was updated on October 16, 2026 and Race Pace Calculator on October 4, 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.*