# Interval Timer X Workout Timer vs VibroSpeed

The clearest difference is price: Interval Timer X Workout Timer at Free against VibroSpeed's $0.99. Interval Timer X Workout Timer also leads on iOS requirement (15.6 vs 17.4). VibroSpeed's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Interval Timer X Workout Timer is free to download; VibroSpeed costs $0.99 up front. Interval Timer X Workout Timer sells 1 one-off in-app purchase. VibroSpeed asks for nothing beyond the download.

Interval Timer X Workout Timer ships an update every 6 weeks, VibroSpeed every 6 days. The most recent releases landed on September 21, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | Interval Timer X Workout Timer | VibroSpeed |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (686 ratings)](https://appshunter.io/ios/app/interval-timer-x-workout-timer/id1448144846/reviews)** | — |
| Number of ratings | **686** | — |
| Positive reviews | 93.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 1 MB |
| Requires iOS | **15.6** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [世恬 颜](https://appshunter.io/developer/1448144845) | [欣辰 叶](https://appshunter.io/developer/1717616211) |

## What reviewers say

### Interval Timer X Workout Timer

[App page](https://appshunter.io/ios/app/interval-timer-x-workout-timer/id1448144846)

This versatile timer helps you structure workouts, manage daily tasks, and achieve fitness goals. Customize routines, track progress with visual cues, and stay motivated with customizable sounds. Ideal for HIIT, Tabata, yoga, and more.

**Highlights:** Customizable workout routines, Standalone interval timer/counter, Routine combination feature, Customizable warning sounds, Intuitive interface with dark mode, Background usage support, Workout summary and history

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer X Premium | $6.99 | one-time |

**What reviewers like**

- 🚀 Interval timer
- 👍 Easy to use
- 👍 Customizable
- 👍 Useful for workouts
- 👍 Reliable

**What reviewers complain about**

- 💰 Ads in free version
- 🐛 Occasional bugs or crashes

**Reported bugs**

- Interval set index display issue
- Compatibility issues with older devices

**Requested features**

- Audio ducking for music playback
- Voice countdown
- Ability to store custom settings automatically
- Vibration option in addition to audio


### VibroSpeed

[App page](https://appshunter.io/ios/app/vibrospeed/id6480349110)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer X Workout Timer free?

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

### Is VibroSpeed free?

VibroSpeed costs $0.99, with no in-app purchases.

### Do Interval Timer X Workout Timer or VibroSpeed have ads?

Interval Timer X Workout Timer shows ads; VibroSpeed does not.

### Which is updated more often, Interval Timer X Workout Timer or VibroSpeed?

Interval Timer X Workout Timer ships an update every 6 weeks, and VibroSpeed every 6 days. Most recently, Interval Timer X Workout Timer was updated on September 21, 2026 and VibroSpeed on August 18, 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.*