# interval timer. hiit timer vs Stretch 20

The clearest difference is iOS requirement: Stretch 20 at 15.0 against interval timer. hiit timer's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. interval timer. hiit timer sells 2 in-app purchases, starting at $1.99 per month and Stretch 20 sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | interval timer. hiit timer | Stretch 20 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 19 MB | 23 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JOSUA NIKLAS ROCK](https://appshunter.io/developer/1686721446) | [Convora Labs LLP](https://appshunter.io/developer/1860028607) |

## What reviewers say

### interval timer. hiit timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-timer/id6743938787)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $14.99 | per year |


### Stretch 20

[App page](https://appshunter.io/ios/app/stretch-20/id6808481752)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $14.99 | per year |
| Premium Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is interval timer. hiit timer free?

interval timer. hiit timer is free to download, with in-app purchases available.

### Is Stretch 20 free?

Stretch 20 is free to download, with in-app purchases available.

### Do interval timer. hiit timer or Stretch 20 have ads?

Neither interval timer. hiit timer nor Stretch 20 shows ads.

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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.*