# Stretch Timer Interval HIIT vs Carbs Checker

Stretch Timer Interval HIIT and Carbs Checker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Stretch Timer Interval HIIT sells 2 in-app purchases, starting at $3.99 per month and Carbs Checker sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Stretch Timer Interval HIIT ships an update every 2 weeks, Carbs Checker fortnightly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Stretch Timer Interval HIIT | Carbs Checker |
| --- | --- | --- |
| 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 | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 259 MB | 5 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NilCraft Inc.](https://appshunter.io/developer/458823527) | [Suguru Yamaguchi](https://appshunter.io/developer/6776610480) |

## 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 |


### Carbs Checker

[App page](https://appshunter.io/ios/app/carbs-checker/id6779024608)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | per month |


## Frequently asked questions

### Is Stretch Timer Interval HIIT free?

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

### Is Carbs Checker free?

Carbs Checker is free to download, with in-app purchases available.

### Do Stretch Timer Interval HIIT or Carbs Checker have ads?

Both Stretch Timer Interval HIIT and Carbs Checker show ads.

### Which is updated more often, Stretch Timer Interval HIIT or Carbs Checker?

Stretch Timer Interval HIIT ships an update every 2 weeks, and Carbs Checker fortnightly. Most recently, Stretch Timer Interval HIIT was updated on October 30, 2026 and Carbs Checker on October 25, 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.*