# HR Broadcast vs Zone 2 Training App

The clearest difference is update cadence: HR Broadcast at every 4 days against Zone 2 Training App's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HR Broadcast ships an update every 4 days, Zone 2 Training App monthly. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | HR Broadcast | Zone 2 Training App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Size | 9 MB | 18 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SHUTAO SHEN](https://appshunter.io/developer/1838310263) | [Sanjay Gill](https://appshunter.io/developer/1709125864) |

## What reviewers say

### HR Broadcast

[App page](https://appshunter.io/ios/app/hr-broadcast/id6766073249)

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

**In-app purchases:** none


### Zone 2 Training App

[App page](https://appshunter.io/ios/app/zone-2-training-app/id6776123744)

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

**In-app purchases:** none


## Frequently asked questions

### Is HR Broadcast free?

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

### Is Zone 2 Training App free?

Zone 2 Training App is free to download, with no in-app purchases.

### Do HR Broadcast or Zone 2 Training App have ads?

Neither HR Broadcast nor Zone 2 Training App shows ads.

### Which is updated more often, HR Broadcast or Zone 2 Training App?

HR Broadcast ships an update every 4 days, and Zone 2 Training App monthly. Most recently, HR Broadcast was updated on October 2, 2026 and Zone 2 Training App on September 29, 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.*