# mostly vs HIIT Interval Timer

The clearest difference is price: HIIT Interval Timer at Free against mostly's $4.99. HIIT Interval Timer also leads on iOS requirement (17.0 vs 26.0). mostly's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

HIIT Interval Timer is free to download; mostly costs $4.99 up front. mostly sells 1 one-off in-app purchase and HIIT Interval Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | mostly | HIIT Interval Timer |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | — |
| Size | 6 MB | 9 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [昊天 吴](https://appshunter.io/developer/1893211971) | [Muhammad Mujahid Khan](https://appshunter.io/developer/1749120554) |

## What reviewers say

### mostly

[App page](https://appshunter.io/ios/app/mostly-daily-habit-tracker/id6762203000)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $59.99 | one-time |


### 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 mostly free?

mostly costs $4.99, and also offers in-app purchases.

### Is HIIT Interval Timer free?

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

### Do mostly or HIIT Interval Timer have ads?

HIIT Interval Timer shows ads; mostly 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.*