# Voice Commands guide vs Lung Challenge

The clearest difference is in-app purchases: Lung Challenge at none against Voice Commands guide's 1. Voice Commands guide's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Voice Commands guide sells 1 in-app purchase, starting at $3.99 per year. Lung Challenge asks for nothing beyond the download.

## The numbers

| Metric | Voice Commands guide | Lung Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Size | 16 MB | 100 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aziz Ullah](https://appshunter.io/developer/1704118752) | [Nam Tran Van](https://appshunter.io/developer/1823171023) |

## What reviewers say

### Voice Commands guide

[App page](https://appshunter.io/ios/app/voice-commands-guide/id6479863442)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription for $3.99 | $3.99 | per year |


### Lung Challenge

[App page](https://appshunter.io/ios/app/lung-challenge-breath-timer/id6758290885)

**In-app purchases:** none


## Frequently asked questions

### Is Voice Commands guide free?

Voice Commands guide is free to download, with in-app purchases available.

### Is Lung Challenge free?

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

### Do Voice Commands guide or Lung Challenge have ads?

Lung Challenge shows ads; Voice Commands guide 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.*