# Interval Timer vs Mariabs · Interval Timer

The clearest difference is in-app purchases: Mariabs · Interval Timer at none against Interval Timer's 12. Mariabs · Interval Timer also leads on ads (none vs shown) and update cadence (every 6 days vs monthly). Interval Timer's advantage is ratings volume (389 vs 1). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Interval Timer sells 12 in-app purchases, starting at $2.09 per month. Mariabs · Interval Timer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Interval Timer against 5.0 for Mariabs · Interval Timer. That said, the two scores are not equally well evidenced: Interval Timer has 389 ratings behind it against 1, so its average is the more settled of the two.

Interval Timer ships an update monthly, Mariabs · Interval Timer every 6 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Interval Timer | Mariabs · Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (389 ratings)](https://appshunter.io/ios/app/interval-timer-tabata-and-hiit/id6443672034/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mariabs-interval-timer/id6765472133/reviews)** |
| Number of ratings | **389** | 1 |
| Positive reviews | 96.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 112 MB | 5 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SimpleInnovation LLC](https://appshunter.io/developer/1479770962) | [PER MAGNE HELSETH](https://appshunter.io/developer/1895962879) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tabata-and-hiit/id6443672034)

This app provides a customizable interval timer for various training routines, including HIIT and Tabata. Easily set up custom workouts, track your progress, and stay motivated with visual cues and audio notifications. It's suitable for a wide range of activities from fitness to productivity.

**Highlights:** Customizable workout setup, Progress tracking with calendar, Saveable custom presets, Color-coded notifications, Listen to music/audiobooks, Large, full-screen display, Widget for easy access

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timer PRO for 1 month: 30% OFF | $2.09 | per month |
| Timer PRO for 1 month: 25% OFF | $2.29 | per month |
| Interval Timer PRO for 1 month | $2.99 | per month |
| Interval Timer PRO for 1 month | $2.99 | per month |
| Interval Timer PRO - 30% OFF | $15.00 | per year |
| Interval Timer PRO - 25% OFF | $16.49 | per year |
| Interval Timer PRO for 1 year | $21.99 | per year |
| Tabata Timer PRO for 1 year | $21.99 | per year |
| Interval Timer - no Ads | $2.99 | one-time |
| HIIT Timer PRO Forever 30% OFF | $27.99 | one-time |
| HIIT Timer PRO Forever 25% OFF | $29.99 | one-time |
| Exercise Timer PRO Forever | $39.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Intuitive interface
- 🔋 Doesn't drain battery
- 💪 Effective for interval training
- 📆 Tracks workout history

**What reviewers complain about**

- 🔔 Frequent prompts to rate the app
- 🔒 Concerns about data privacy and permissions
- 🔧 Limited customization options

**Reported bugs**

- Occasional app crashes
- Compatibility issues with older devices

**Requested features**

- More pre-designed workout routines
- Ability to name and customize exercises
- Option to adjust countdown time between intervals


### 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 Interval Timer free?

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

### Is Mariabs · Interval Timer free?

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

### Which has better reviews, Interval Timer or Mariabs · Interval Timer?

Mariabs · Interval Timer is rated higher. Interval Timer averages 4.9 out of 5 from 389 ratings, while Mariabs · Interval Timer averages 5.0 from 1 ratings.

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

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

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

Interval Timer ships an update monthly, and Mariabs · Interval Timer every 6 days. Most recently, Interval Timer was updated on October 30, 2026 and Mariabs · Interval Timer on October 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.*