# Stretch Timer Interval HIIT vs BMI PLUS

The clearest difference is in-app purchases: BMI PLUS at none against Stretch Timer Interval HIIT's 2. Stretch Timer Interval HIIT's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, 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. BMI PLUS asks for nothing beyond the download.

Stretch Timer Interval HIIT ships an update every 2 weeks, BMI PLUS every 3 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Stretch Timer Interval HIIT | BMI PLUS |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 192 MB | 10 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NilCraft Inc.](https://appshunter.io/developer/458823527) | [Daisuke Inoue](https://appshunter.io/developer/1826280305) |

## 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 |


### BMI PLUS

[App page](https://appshunter.io/ios/app/bmi-plus-bmi/id6748558249)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stretch Timer Interval HIIT free?

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

### Is BMI PLUS free?

BMI PLUS is free to download, with no in-app purchases.

### Do Stretch Timer Interval HIIT or BMI PLUS have ads?

Both Stretch Timer Interval HIIT and BMI PLUS show ads.

### Which is updated more often, Stretch Timer Interval HIIT or BMI PLUS?

Stretch Timer Interval HIIT ships an update every 2 weeks, and BMI PLUS every 3 months. Most recently, Stretch Timer Interval HIIT was updated on September 23, 2026 and BMI PLUS on September 22, 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.*