# Interval Timer vs Interval Timer by STRNTH

The clearest difference is ads: Interval Timer at none against Interval Timer by STRNTH's shown. Interval Timer also leads on update cadence (every 2 days vs every 10 days) and iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Interval Timer sells 2 in-app purchases, starting at $1.99 per month and Interval Timer by STRNTH sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Interval Timer ships an update every 2 days, Interval Timer by STRNTH every 10 days. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Interval Timer | Interval Timer by STRNTH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 55 MB | 55 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Pratik Khomane](https://appshunter.io/developer/1816242428) | [Next Big Leap Ltd](https://appshunter.io/developer/369344938) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tabata-timer/id6761050245)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO ACCESS | $1.99 | per month |
| Lifetime Access | $12.99 | one-time |


### Interval Timer by STRNTH

[App page](https://appshunter.io/ios/app/interval-timer-by-strnth/id6787253056)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $9.99 | one-time |


## Frequently asked questions

### Is Interval Timer free?

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

### Is Interval Timer by STRNTH free?

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

### Do Interval Timer or Interval Timer by STRNTH have ads?

Interval Timer by STRNTH shows ads; Interval Timer does not.

### Which is updated more often, Interval Timer or Interval Timer by STRNTH?

Interval Timer ships an update every 2 days, and Interval Timer by STRNTH every 10 days. Most recently, Interval Timer was updated on September 21, 2026 and Interval Timer by STRNTH on September 18, 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.*