# Interval Timer HIIT Workout vs Cloud Nine Active

The clearest difference is in-app purchases: Cloud Nine Active at none against Interval Timer HIIT Workout's 5. Cloud Nine Active also leads on ads (none vs shown) and iOS requirement (15.6.1 vs 18.0). Interval Timer HIIT Workout's advantage is ratings volume (332 vs 2) and update cadence (weekly vs monthly). On price, rating and device support 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. Cloud Nine Active asks for nothing beyond the download.

Cloud Nine Active 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 332 ratings behind it against 2, so its average is the more settled of the two.

Interval Timer HIIT Workout ships an update weekly, Cloud Nine Active monthly. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Interval Timer HIIT Workout | Cloud Nine Active |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (332 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6741055716/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cloud-nine-active/id6756186647/reviews)** |
| Number of ratings | **332** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 96 MB | 94 MB |
| Requires iOS | 18.0 | **15.6.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roli LLC](https://appshunter.io/developer/1792785559) | [FastPlay Ltd.](https://appshunter.io/developer/995838392) |

## 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 |


### Cloud Nine Active

[App page](https://appshunter.io/ios/app/cloud-nine-active/id6756186647)

Book fitness classes, manage your membership, and connect with a supportive community. Explore a variety of workouts designed to enhance strength, balance, and confidence for all fitness levels.

**Highlights:** Book fitness classes, Manage memberships, Community connection, Variety of workout types, Track fitness goals

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer HIIT Workout free?

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

### Is Cloud Nine Active free?

Cloud Nine Active is free to download, with no in-app purchases.

### Which has better reviews, Interval Timer HIIT Workout or Cloud Nine Active?

Cloud Nine Active is rated higher. Interval Timer HIIT Workout averages 4.8 out of 5 from 332 ratings, while Cloud Nine Active averages 5.0 from 2 ratings.

### Do Interval Timer HIIT Workout or Cloud Nine Active have ads?

Interval Timer HIIT Workout shows ads; Cloud Nine Active does not.

### Which is updated more often, Interval Timer HIIT Workout or Cloud Nine Active?

Interval Timer HIIT Workout ships an update weekly, and Cloud Nine Active monthly. Most recently, Interval Timer HIIT Workout was updated on October 9, 2026 and Cloud Nine Active on October 1, 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.*