# Core Advantage Interval Timer vs Workout Timer Interval & HIIT

The clearest difference is rating: Core Advantage Interval Timer at 5.0 against Workout Timer Interval & HIIT's 4.5. Core Advantage Interval Timer also leads on in-app purchases (none vs 3) and iOS requirement (11.0 vs 16.1). Workout Timer Interval & HIIT's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (145 vs 4). On price, review sentiment, ads and device support 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. Core Advantage Interval Timer asks for nothing beyond the download.

Core Advantage Interval Timer holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Workout Timer Interval & HIIT has 145 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 50% of Core Advantage Interval Timer's written reviews are positive against 53% of Workout Timer Interval & HIIT's, so the app with the better star average is not the one people write more warmly about.

Core Advantage Interval Timer ships an update every 2 months, Workout Timer Interval & HIIT fortnightly. The most recent releases landed on August 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Core Advantage Interval Timer | Workout Timer Interval & HIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/core-advantage-interval-timer/id1326735105/reviews)** | [4.5 (145 ratings)](https://appshunter.io/ios/app/workout-timer-interval-and-hiit/id1669997130/reviews) |
| Number of ratings | 4 | **145** |
| Positive reviews | 50.0% of reviews | **53.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 29 MB |
| Requires iOS | **11.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Core Advantage Pty Ltd](https://appshunter.io/developer/1326735104) | [Simon Jansen](https://appshunter.io/developer/1669997132) |

## What reviewers say

### Core Advantage Interval Timer

[App page](https://appshunter.io/ios/app/core-advantage-interval-timer/id1326735105)

Create and follow custom interval training routines or choose from pre-built workouts. This app supports various training styles, from high-intensity sprints to tempo control and stretching protocols, with adjustable music volume.

**Highlights:** Customizable workout builder, Pre-built workout library, Adjustable interval volume, Training metronome, Repeat sprint timer, Tempo control timer

**Features:** macOS Compatibility

**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 Core Advantage Interval Timer free?

Core Advantage Interval Timer 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, Core Advantage Interval Timer or Workout Timer Interval & HIIT?

Core Advantage Interval Timer is rated higher. Core Advantage Interval Timer averages 5.0 out of 5 from 4 ratings, while Workout Timer Interval & HIIT averages 4.5 from 145 ratings.

### Do Core Advantage Interval Timer or Workout Timer Interval & HIIT have ads?

Neither Core Advantage Interval Timer nor Workout Timer Interval & HIIT shows ads.

### Which is updated more often, Core Advantage Interval Timer or Workout Timer Interval & HIIT?

Core Advantage Interval Timer ships an update every 2 months, and Workout Timer Interval & HIIT fortnightly. Most recently, Core Advantage Interval Timer was updated on August 17, 2026 and Workout Timer Interval & HIIT on September 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.*