# Mariabs · Interval Timer vs Interval Timer by STRNTH

The clearest difference is in-app purchases: Mariabs · Interval Timer at none against Interval Timer by STRNTH's 1. Mariabs · Interval Timer also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Interval Timer by STRNTH sells 1 one-off in-app purchase. Mariabs · Interval Timer asks for nothing beyond the download.

Mariabs · Interval Timer ships an update every 6 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 | Mariabs · Interval Timer | Interval Timer by STRNTH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 10 days |
| Size | 4 MB | 55 MB |
| Requires iOS | 16.2 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [PER MAGNE HELSETH](https://appshunter.io/developer/1895962879) | [Next Big Leap Ltd](https://appshunter.io/developer/369344938) |

## What reviewers say

### Mariabs · Interval Timer

[App page](https://appshunter.io/ios/app/mariabs-interval-timer/id6765472133)

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

**In-app purchases:** none


### 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 Mariabs · Interval Timer free?

Mariabs · Interval Timer is free to download, with no in-app purchases.

### Is Interval Timer by STRNTH free?

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

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

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

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

Mariabs · Interval Timer ships an update every 6 days, and Interval Timer by STRNTH every 10 days. Most recently, Mariabs · 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.*