# Zone 2 AI vs PM

The clearest difference is ads: PM at none against Zone 2 AI's shown. PM also leads on iOS requirement (15.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Zone 2 AI sells 10 in-app purchases, starting at $3.99 per 7 days and PM sells 1 in-app purchase, starting at $99.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Zone 2 AI | PM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (132 ratings)](https://appshunter.io/ios/app/zone-2-ai-vo2-max-and-endurance/id6742467259/reviews)** | — |
| Number of ratings | **132** | — |
| Positive reviews | 74.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 93 MB | 56 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Unbounded Technologies LLC](https://appshunter.io/developer/1810608557) | [philip Meikle](https://appshunter.io/developer/1877076382) |

## What reviewers say

### Zone 2 AI

[App page](https://appshunter.io/ios/app/zone-2-ai-vo2-max-and-endurance/id6742467259)

This app offers a comprehensive longevity protocol combining steady-state Zone 2 training with high-intensity sprints to improve mitochondrial efficiency and maximize VO2 Max. It personalizes training based on your data and projects future health outcomes.

**Highlights:** Zone 2 training protocol, Norwegian 4x4 Sprint Protocol, Rate of Perceived Effort feedback, Zone2AI Power Score calculation, Predicted biological age and VO2 Max, Apple Watch haptic feedback, Syncs with Apple Health and other devices

**Features:** Family Sharing, Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $3.99 | per 7 days |
| Weekly Premium Access | $6.99 | per 7 days |
| Zone2AI Pro Six Months | $17.99 | per 6 months |
| Unlimited Access | $24.99 | per year |
| Unlimited Access | $24.99 | per year |
| Unlimited Premium Annual Access | $39.99 | per year |
| Lifetime Unlimited Premium | $24.99 | one-time |
| Lifetime | $29.99 | one-time |
| Lifetime | $39.99 | one-time |
| Premium Lifetime | $39.99 | one-time |


### PM

[App page](https://appshunter.io/ios/app/pm-progress/id6759155356)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Online Coaching | $99.99 | per month |


## Frequently asked questions

### Is Zone 2 AI free?

Zone 2 AI is free to download, with in-app purchases available.

### Is PM free?

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

### Do Zone 2 AI or PM have ads?

Zone 2 AI shows ads; PM does not.

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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.*