# CrossFit Inversion vs Workout Timer Interval & HIIT

The clearest difference is in-app purchases: CrossFit Inversion at none against Workout Timer Interval & HIIT's 3. CrossFit Inversion also leads on rating (4.9 vs 4.5). Workout Timer Interval & HIIT's advantage is update cadence (fortnightly vs every 5 weeks) and ratings volume (145 vs 34). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Workout Timer Interval & HIIT sells 3 in-app purchases, starting at $2.99 per month. CrossFit Inversion asks for nothing beyond the download.

CrossFit Inversion holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 34 and 145 respectively.

CrossFit Inversion ships an update every 5 weeks, Workout Timer Interval & HIIT fortnightly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | CrossFit Inversion | Workout Timer Interval & HIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (34 ratings)](https://appshunter.io/ios/app/crossfit-inversion/id1527008868/reviews)** | [4.5 (145 ratings)](https://appshunter.io/ios/app/workout-timer-interval-and-hiit/id1669997130/reviews) |
| Number of ratings | 34 | **145** |
| Positive reviews | — | 53.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 78 MB | 29 MB |
| Requires iOS | **15** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jefferey Scales](https://appshunter.io/developer/1580131389) | [Simon Jansen](https://appshunter.io/developer/1669997132) |

## What reviewers say

### CrossFit Inversion

[App page](https://appshunter.io/ios/app/crossfit-inversion/id1527008868)

This app allows members of a specific gym to book spots in classes and sign up for gym events. It also provides account management features, such as updating personal photos and payment information.

**Highlights:** Class reservation, Gym event sign-ups, Account management, Profile picture updates, Payment information management

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

**In-app purchases:** none


### Workout Timer Interval & HIIT

[App page](https://appshunter.io/ios/app/workout-timer-interval-and-hiit/id1669997130)

This app offers customizable interval timers for various training styles like HIIT, Tabata, and Crossfit. Track your progress, enjoy background music, and switch between light and dark modes to enhance your fitness routine.

**Highlights:** Customizable interval timers, Supports HIIT, Tabata, WOD, Crossfit, EMOM, AMRAP, Historical workout tracking, Background music playback, Light and dark mode themes, Intuitive interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Premium Yearly | $14.99 | per year |
| Premium | $29.99 | one-time |


## Frequently asked questions

### Is CrossFit Inversion free?

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

### Is Workout Timer Interval & HIIT free?

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

### Which has better reviews, CrossFit Inversion or Workout Timer Interval & HIIT?

CrossFit Inversion is rated higher. CrossFit Inversion averages 4.9 out of 5 from 34 ratings, while Workout Timer Interval & HIIT averages 4.5 from 145 ratings.

### Do CrossFit Inversion or Workout Timer Interval & HIIT have ads?

Neither CrossFit Inversion nor Workout Timer Interval & HIIT shows ads.

### Which is updated more often, CrossFit Inversion or Workout Timer Interval & HIIT?

CrossFit Inversion ships an update every 5 weeks, and Workout Timer Interval & HIIT fortnightly. Most recently, CrossFit Inversion was updated on October 24, 2026 and Workout Timer Interval & HIIT on October 21, 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.*