# Voice Fit vs HIIT Interval Timer

The clearest difference is in-app purchases: Voice Fit at none against HIIT Interval Timer's 1. Voice Fit also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. HIIT Interval Timer sells 1 one-off in-app purchase. Voice Fit asks for nothing beyond the download.

## The numbers

| Metric | Voice Fit | HIIT Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | — |
| Size | 1 MB | 9 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Boram Han](https://appshunter.io/developer/1729936533) | [Muhammad Mujahid Khan](https://appshunter.io/developer/1749120554) |

## What reviewers say

### Voice Fit

[App page](https://appshunter.io/ios/app/voice-fit/id6477654769)

**In-app purchases:** none


### HIIT Interval Timer

[App page](https://appshunter.io/ios/app/hiit-interval-timer-circuit/id6806570865)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is Voice Fit free?

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

### Is HIIT Interval Timer free?

HIIT Interval Timer is free to download, with in-app purchases available.

### Do Voice Fit or HIIT Interval Timer have ads?

HIIT Interval Timer shows ads; Voice Fit 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.*