# Interval Timer HIIT Workout vs Lift Lab Pro

The clearest difference is in-app purchases: Lift Lab Pro at none against Interval Timer HIIT Workout's 5. Lift Lab Pro also leads on ads (none vs shown). Interval Timer HIIT Workout's advantage is update cadence (weekly vs every 2 months). On price, device support and iOS requirement 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. Lift Lab Pro asks for nothing beyond the download.

Interval Timer HIIT Workout ships an update weekly, Lift Lab Pro every 2 months. The most recent releases landed on October 18, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Interval Timer HIIT Workout | Lift Lab Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (334 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6741055716/reviews)** | — |
| Number of ratings | **334** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 96 MB | 5 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roli LLC](https://appshunter.io/developer/1792785559) | [Trace Hildebrand](https://appshunter.io/developer/1765808749) |

## 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 |


### Lift Lab Pro

[App page](https://appshunter.io/ios/app/lift-lab-pro/id6757295016)

**Features:** macOS Compatibility, 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 Lift Lab Pro free?

Lift Lab Pro is free to download, with no in-app purchases.

### Do Interval Timer HIIT Workout or Lift Lab Pro have ads?

Interval Timer HIIT Workout shows ads; Lift Lab Pro does not.

### Which is updated more often, Interval Timer HIIT Workout or Lift Lab Pro?

Interval Timer HIIT Workout ships an update weekly, and Lift Lab Pro every 2 months. Most recently, Interval Timer HIIT Workout was updated on October 18, 2026 and Lift Lab Pro on September 30, 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.*