# VO2 Prime vs Threshold

The clearest difference is in-app purchases: VO2 Prime at none against Threshold's 3. VO2 Prime also leads on iOS requirement (15.1 vs 17.0). Threshold's advantage is update cadence (every 2 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Threshold sells 3 in-app purchases, starting at $7.99 per 7 days. VO2 Prime asks for nothing beyond the download.

VO2 Prime ships an update monthly, Threshold every 2 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | VO2 Prime | Threshold |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/threshold-running-coach/id6762062697/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 62 MB | 33 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [EndoMedical Inc](https://appshunter.io/developer/1290814301) | [Athlete Mindset Inc.](https://appshunter.io/developer/1867072080) |

## What reviewers say

### VO2 Prime

[App page](https://appshunter.io/ios/app/vo2-prime/id6748883572)

**Features:** Apple Watch app

**In-app purchases:** none


### Threshold

[App page](https://appshunter.io/ios/app/threshold-running-coach/id6762062697)

This app creates personalized, periodized running plans based on your goals, fitness, and schedule. It adapts to your progress, incorporates Norwegian threshold training principles, and offers coaching support. Track your runs, adjust your plan, and prepare for races with structured guidance.

**Highlights:** Adaptive training plans, Norwegian threshold sessions, Precise training paces, Progressive training weeks, Log, edit, and adjust workouts, Coach chat support, Apple Health integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Threshold Pro | $7.99 | per 7 days |
| Threshold Pro | $49.99 | per year |
| Threshold Pro | $69.99 | per year |


## Frequently asked questions

### Is VO2 Prime free?

VO2 Prime is free to download, with no in-app purchases.

### Is Threshold free?

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

### Do VO2 Prime or Threshold have ads?

Neither VO2 Prime nor Threshold shows ads.

### Which is updated more often, VO2 Prime or Threshold?

VO2 Prime ships an update monthly, and Threshold every 2 days. Most recently, VO2 Prime was updated on October 21, 2026 and Threshold on October 24, 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.*