# Carbs Checker vs Interval Timer

The clearest difference is iOS requirement: Carbs Checker at 15.6 against Interval Timer's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Carbs Checker ships an update fortnightly, Interval Timer weekly. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Carbs Checker | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Size | 5 MB | 69 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Suguru Yamaguchi](https://appshunter.io/developer/6776610480) | [Katsunobu Sunagawa](https://appshunter.io/developer/6795139232) |

## What reviewers say

### 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 |


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-focus-and-hiit/id6795139230)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer Pro | $1.99 | one-time |


## Frequently asked questions

### Is Carbs Checker free?

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

### Is Interval Timer free?

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

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

Both Carbs Checker and Interval Timer show ads.

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

Carbs Checker ships an update fortnightly, and Interval Timer weekly. Most recently, Carbs Checker was updated on October 25, 2026 and Interval Timer on October 29, 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.*