# Mariabs · Interval Timer vs Advanced Stopwatch

The clearest difference is in-app purchases: Mariabs · Interval Timer at none against Advanced Stopwatch's 2. Mariabs · Interval Timer also leads on device support (3 vs 1) and iOS requirement (16.2 vs 26.0). Advanced Stopwatch's advantage is update cadence (every 2 days vs every 6 days). On price and ads there is nothing between them.

Both are free to download. Advanced Stopwatch sells 2 in-app purchases, starting at $2.99 per month. Mariabs · Interval Timer asks for nothing beyond the download.

Mariabs · Interval Timer ships an update every 6 days, Advanced Stopwatch every 2 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Mariabs · Interval Timer | Advanced Stopwatch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Size | 4 MB | 16 MB |
| Requires iOS | **16.2** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PER MAGNE HELSETH](https://appshunter.io/developer/1895962879) | [Adam Bulmer](https://appshunter.io/developer/445572356) |

## 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


### Advanced Stopwatch

[App page](https://appshunter.io/ios/app/advanced-stopwatch/id6787060945)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Lifetime | $22.99 | one-time |


## Frequently asked questions

### Is Mariabs · Interval Timer free?

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

### Is Advanced Stopwatch free?

Advanced Stopwatch is free to download, with in-app purchases available.

### Do Mariabs · Interval Timer or Advanced Stopwatch have ads?

Neither Mariabs · Interval Timer nor Advanced Stopwatch shows ads.

### Which is updated more often, Mariabs · Interval Timer or Advanced Stopwatch?

Mariabs · Interval Timer ships an update every 6 days, and Advanced Stopwatch every 2 days. Most recently, Mariabs · Interval Timer was updated on October 8, 2026 and Advanced Stopwatch on October 1, 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.*