# Mariabs · Interval Timer vs GRIT

The clearest difference is update cadence: GRIT at every 3 days against Mariabs · Interval Timer's every 6 days. Mariabs · Interval Timer's advantage is iOS requirement (16.2 vs 18.0). 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.

Mariabs · Interval Timer ships an update every 6 days, GRIT every 3 days. The most recent releases landed on September 21, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Mariabs · Interval Timer | GRIT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 3 days** |
| Size | 4 MB | 12 MB |
| Requires iOS | **16.2** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PER MAGNE HELSETH](https://appshunter.io/developer/1895962879) | [Andrew Dunn](https://appshunter.io/developer/1895547129) |

## 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


### GRIT

[App page](https://appshunter.io/ios/app/grit-workout-and-wod-timer/id6782134881)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mariabs · Interval Timer free?

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

### Is GRIT free?

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

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

Neither Mariabs · Interval Timer nor GRIT shows ads.

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

Mariabs · Interval Timer ships an update every 6 days, and GRIT every 3 days. Most recently, Mariabs · Interval Timer was updated on September 21, 2026 and GRIT on September 28, 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.*