# ZoneFlow vs Zone 2 Training Coach

The clearest difference is in-app purchases: ZoneFlow at none against Zone 2 Training Coach's 3. ZoneFlow also leads on iOS requirement (15.0 vs 17.0). Zone 2 Training Coach's advantage is update cadence (every 4 days vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. Zone 2 Training Coach sells 3 in-app purchases, starting at $4.99 per month. ZoneFlow asks for nothing beyond the download.

ZoneFlow ships an update every 11 months, Zone 2 Training Coach every 4 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | ZoneFlow | Zone 2 Training Coach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zone-2-training-coach/id6762536918/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 2 MB | 28 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Adrian Rollett](https://appshunter.io/developer/1776487100) | [Jaron Shapiro](https://appshunter.io/developer/1894578291) |

## What reviewers say

### ZoneFlow

[App page](https://appshunter.io/ios/app/zoneflow/id6739025069)

**Features:** Apple Watch app

**In-app purchases:** none


### Zone 2 Training Coach

[App page](https://appshunter.io/ios/app/zone-2-training-coach/id6762536918)

This app automatically tracks your Zone 2 heart rate minutes using your Apple Watch, helping you achieve your fitness goals. It provides insights into your cardio fitness, recovery, and progress over time, with optional advanced planning features.

**Highlights:** Automatic Zone 2 minute tracking, Heart rate zone synchronization, Live workout data on Apple Watch, VO2 Max and cardio fitness insights, Daily recovery scoring, Educational articles on fitness, Advanced weekly planning (Pro)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zone 2 Pro | $4.99 | per month |
| Zone 2 Pro | $19.99 | per year |
| Zone 2 Pro | $49.99 | one-time |


## Frequently asked questions

### Is ZoneFlow free?

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

### Is Zone 2 Training Coach free?

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

### Do ZoneFlow or Zone 2 Training Coach have ads?

Neither ZoneFlow nor Zone 2 Training Coach shows ads.

### Which is updated more often, ZoneFlow or Zone 2 Training Coach?

ZoneFlow ships an update every 11 months, and Zone 2 Training Coach every 4 days. Most recently, ZoneFlow was updated on October 28, 2026 and Zone 2 Training Coach on October 28, 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.*