# Quietude vs Interval Timer HIIT Workout

The clearest difference is in-app purchases: Quietude at none against Interval Timer HIIT Workout's 5. Quietude also leads on ads (none vs shown) and iOS requirement (16.6 vs 18.0). Interval Timer HIIT Workout's advantage is update cadence (weekly vs monthly). On price 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. Quietude asks for nothing beyond the download.

Quietude ships an update monthly, Interval Timer HIIT Workout weekly. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Quietude | Interval Timer HIIT Workout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (343 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6741055716/reviews)** |
| Number of ratings | — | **343** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 99 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ryan Lertola](https://appshunter.io/developer/1691453139) | [Roli LLC](https://appshunter.io/developer/1792785559) |

## What reviewers say

### Quietude

[App page](https://appshunter.io/ios/app/quietude/id6449991122)

**Features:** macOS Compatibility

**In-app purchases:** none


### Interval Timer HIIT Workout

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

This app provides customizable interval timers for HIIT, Tabata, and circuit training. It features AI voice cues from celebrity impersonations, music integration, and automatic syncing with Apple Health and Apple Watch for comprehensive workout tracking.

**Highlights:** Customizable HIIT & Tabata timers, AI voice cues from celebrity impersonations, Music integration without interruption, Convert social media workouts to follow-alongs, Syncs with Apple Health & Apple Watch, Save and organize custom workouts, On-screen exercise cues

**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 |


## Frequently asked questions

### Is Quietude free?

Quietude is free to download, with no in-app purchases.

### Is Interval Timer HIIT Workout free?

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

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

Interval Timer HIIT Workout shows ads; Quietude does not.

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

Quietude ships an update monthly, and Interval Timer HIIT Workout weekly. Most recently, Quietude was updated on October 27, 2026 and Interval Timer HIIT Workout on November 5, 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.*