# TRounds vs Mariabs · Interval Timer

The clearest difference is update cadence: TRounds at every 2 days against Mariabs · Interval Timer's every 6 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TRounds ships an update every 2 days, Mariabs · Interval Timer every 6 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | TRounds | Mariabs · Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 days |
| Size | 20 MB | 4 MB |
| Requires iOS | **15.1** | 16.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Oleksii Vasylenko](https://appshunter.io/developer/1882810590) | [PER MAGNE HELSETH](https://appshunter.io/developer/1895962879) |

## What reviewers say

### TRounds

[App page](https://appshunter.io/ios/app/trounds/id6760133254)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TRounds free?

TRounds is free to download, with no in-app purchases.

### Is Mariabs · Interval Timer free?

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

### Do TRounds or Mariabs · Interval Timer have ads?

Neither TRounds nor Mariabs · Interval Timer shows ads.

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

TRounds ships an update every 2 days, and Mariabs · Interval Timer every 6 days. Most recently, TRounds was updated on October 7, 2026 and Mariabs · Interval Timer on October 8, 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.*