# Interval Timer HIIT Workout vs IntenSync

The clearest difference is ratings volume: Interval Timer HIIT Workout at 334 against IntenSync's 2. IntenSync's advantage is rating (5.0 vs 4.8) and iOS requirement (14.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Interval Timer HIIT Workout sells 5 in-app purchases, starting at $1.99 per month and IntenSync sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

IntenSync holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Interval Timer HIIT Workout has 334 ratings behind it against 2, so its average is the more settled of the two.

Interval Timer HIIT Workout ships an update weekly, IntenSync every 6 days. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Interval Timer HIIT Workout | IntenSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (334 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6741055716/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/intensync-workout-coach/id6745151383/reviews)** |
| Number of ratings | **334** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 96 MB | 253 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Roli LLC](https://appshunter.io/developer/1792785559) | [Equilibelle App Solutions](https://appshunter.io/developer/1811014998) |

## What reviewers say

### Interval Timer HIIT Workout

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6741055716)

Customize your HIIT and Tabata workouts with this versatile interval timer. Features AI voice cues from celebrity personalities, music integration, and Apple Health syncing. Track your progress and share routines with ease.

**Highlights:** Customizable work/rest periods, AI voice cues from celebrity personalities, Music integration, Apple Health & Apple Watch sync, Save and organize workouts, Real-time exercise on-screen cues, Share workouts with others

**Features:** Family Sharing, Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $29.99 | per year |
| Yearly Subscription | $29.99 | per year |
| One Time Purchase | $19.99 | one-time |


### IntenSync

[App page](https://appshunter.io/ios/app/intensync-workout-coach/id6745151383)

This app helps you create and track custom interval workouts for various fitness activities. It offers voice cues, visual guidance, and progress analytics. Premium features include manual logging, hydration and nutrition planning, and community engagement.

**Highlights:** Custom interval workout builder, Voice cues and sound packs, Visual workout guidance, Workout progress tracking and analytics, Manual workout logging (Premium), Hydration and nutrition planning (Premium), Community and accountability features

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Annual Premium | $34.99 | per year |


## Frequently asked questions

### Is Interval Timer HIIT Workout free?

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

### Is IntenSync free?

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

### Which has better reviews, Interval Timer HIIT Workout or IntenSync?

IntenSync is rated higher. Interval Timer HIIT Workout averages 4.8 out of 5 from 334 ratings, while IntenSync averages 5.0 from 2 ratings.

### Do Interval Timer HIIT Workout or IntenSync have ads?

Both Interval Timer HIIT Workout and IntenSync show ads.

### Which is updated more often, Interval Timer HIIT Workout or IntenSync?

Interval Timer HIIT Workout ships an update weekly, and IntenSync every 6 days. Most recently, Interval Timer HIIT Workout was updated on October 18, 2026 and IntenSync on October 6, 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.*