# Mariabs · Interval Timer vs Rondo

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

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

On the App Store both sit at effectively the same score — 5.0 for Mariabs · Interval Timer against 5.0 for Rondo. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Mariabs · Interval Timer ships an update every 6 days, Rondo every 2 weeks. The most recent releases landed on October 31, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Mariabs · Interval Timer | Rondo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mariabs-interval-timer/id6765472133/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/rondo-workout-interval-timer/id6796843225/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | **Free** | Freemium |
| Size | 5 MB | 12 MB |
| Requires iOS | **16.2** | 16.4 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [PER MAGNE HELSETH](https://appshunter.io/developer/1895962879) | [DeeCode LLC](https://appshunter.io/developer/6796843227) |

## What reviewers say

### Mariabs · Interval Timer

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

This app provides a customizable interval timer for various training styles like HIIT and Tabata. It offers voice cues, haptic feedback, and a clear display to keep users focused on their workouts. A new run mode with GPS tracking is also available.

**Highlights:** Customizable interval parameters, Voice cues for transitions, Musical chimes and haptic feedback, GPS tracking for runs, Run/walk interval support, Glanceable monochrome display, Workout settings remembered

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

**In-app purchases:** none


### Rondo

[App page](https://appshunter.io/ios/app/rondo-workout-interval-timer/id6796843225)

This app provides a hands-free, spoken interval timer for workouts, ensuring accuracy and clear cues for each phase. It offers customizable timers for various training formats and keeps your screen awake during sessions. Your workout history is saved locally, with an option for premium features like unlimited timer saves and advanced stats.

**Highlights:** Hands-free spoken cues for work and rest, Large, readable countdown display, Haptic feedback for phase changes, Accurate wall-clock timing, Music integration with volume softening, Support for Tabata, EMOM, and custom timers, Workout history tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rondo Premium Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Mariabs · Interval Timer free?

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

### Is Rondo free?

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

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

Mariabs · Interval Timer and Rondo are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

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

Neither Mariabs · Interval Timer nor Rondo shows ads.

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

Mariabs · Interval Timer ships an update every 6 days, and Rondo every 2 weeks. Most recently, Mariabs · Interval Timer was updated on October 31, 2026 and Rondo on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*