# Stretch Timer Interval HIIT vs FatBurn Watch

The clearest difference is ads: FatBurn Watch at none against Stretch Timer Interval HIIT's shown. FatBurn Watch also leads on update cadence (weekly vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Stretch Timer Interval HIIT sells 2 in-app purchases, starting at $3.99 per month and FatBurn Watch sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Stretch Timer Interval HIIT ships an update every 2 weeks, FatBurn Watch weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Stretch Timer Interval HIIT | FatBurn Watch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/stretch-timer-interval-hiit/id6482106910/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 259 MB | 11 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [NilCraft Inc.](https://appshunter.io/developer/458823527) | [LFT Inc.](https://appshunter.io/developer/1776796858) |

## What reviewers say

### Stretch Timer Interval HIIT

[App page](https://appshunter.io/ios/app/stretch-timer-interval-hiit/id6482106910)

This app helps you build and maintain a consistent stretching routine. Customize your workouts with adjustable sets and times, track your progress with a calendar view, and enjoy a user-friendly interface with dark mode support. It's designed to make daily stretching an effortless habit.

**Highlights:** Customizable sets and times, Multiple stretching menus, Calendar history view, Adjustable sound effects, Dark mode support, Automatic backup (premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $3.99 | per month |
| Premium features | $39.99 | per year |


### FatBurn Watch

[App page](https://appshunter.io/ios/app/fatburn-watch/id6763567392)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $3.99 | one-time |


## Frequently asked questions

### Is Stretch Timer Interval HIIT free?

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

### Is FatBurn Watch free?

FatBurn Watch is free to download, with in-app purchases available.

### Do Stretch Timer Interval HIIT or FatBurn Watch have ads?

Stretch Timer Interval HIIT shows ads; FatBurn Watch does not.

### Which is updated more often, Stretch Timer Interval HIIT or FatBurn Watch?

Stretch Timer Interval HIIT ships an update every 2 weeks, and FatBurn Watch weekly. Most recently, Stretch Timer Interval HIIT was updated on October 24, 2026 and FatBurn Watch on October 24, 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.*