# Interval Timer □ HIIT Timer vs Core Advantage Interval Timer

The clearest difference is in-app purchases: Core Advantage Interval Timer at none against Interval Timer □ HIIT Timer's 5. Core Advantage Interval Timer also leads on rating (5.0 vs 4.8) and iOS requirement (11.0 vs 15.6). Interval Timer □ HIIT Timer's advantage is ratings volume (86K vs 4) and update cadence (every 5 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Interval Timer □ HIIT Timer sells 5 in-app purchases, starting at $1.99 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 4.8. That said, the two scores are not equally well evidenced: Interval Timer □ HIIT Timer has 86K ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 61% of Interval Timer □ HIIT Timer's written reviews are positive against 50% of Core Advantage Interval Timer's, so the app with the better star average is not the one people write more warmly about.

Interval Timer □ HIIT Timer ships an update every 5 weeks, Core Advantage Interval Timer every 2 months. The most recent releases landed on September 26, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | Interval Timer □ HIIT Timer | Core Advantage Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (86K ratings)](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/core-advantage-interval-timer/id1326735105/reviews)** |
| Number of ratings | **86K** | 4 |
| Positive reviews | **60.7% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 34 MB | 16 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Float Tech, LLC](https://appshunter.io/developer/483697886) | [Core Advantage Pty Ltd](https://appshunter.io/developer/1326735104) |

## What reviewers say

### Interval Timer □ HIIT Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113)

Create custom workout timers with adjustable intervals for exercise and rest.  Track your progress with detailed history and statistics, and repeat past workouts easily.  Enjoy audio cues without interrupting your music.

**Highlights:** Customizable intervals, Workout and rest timers, Voice or beep guides, Background audio support, Workout history and statistics, Repeat previous workouts

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pass | $1.99 | per month |
| Premium Pass | $2.99 | per month |
| Lifetime Pass | $14.99 | one-time |
| Lifetime Pass | $19.99 | one-time |
| Premium Forever Promo | $29.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Customizable settings
- 🚀 Intuitive interface
- 🚀 Effective for HIIT workouts
- 👍 Helpful voice prompts

**What reviewers complain about**

- 🔒 Requires subscription after limited free use
- 🐛 Music volume issues with voice prompts
- 🐛 Inconsistent behavior when switching apps
- 🐛 Lack of final workout notification

**Reported bugs**

- Timer not always accurate
- Favorites/saved workouts feature not working
- Inconsistent behavior when pausing/resuming

**Requested features**

- Ability to save and name custom workouts
- More flexibility in exercise/rest time settings
- Option to adjust volume of voice prompts


### 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


## Frequently asked questions

### Is Interval Timer □ HIIT Timer free?

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

### Is Core Advantage Interval Timer free?

Core Advantage Interval Timer is free to download, with no in-app purchases.

### Which has better reviews, Interval Timer □ HIIT Timer or Core Advantage Interval Timer?

Core Advantage Interval Timer is rated higher. Interval Timer □ HIIT Timer averages 4.8 out of 5 from 86K ratings, while Core Advantage Interval Timer averages 5.0 from 4 ratings.

### Do Interval Timer □ HIIT Timer or Core Advantage Interval Timer have ads?

Neither Interval Timer □ HIIT Timer nor Core Advantage Interval Timer shows ads.

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

Interval Timer □ HIIT Timer ships an update every 5 weeks, and Core Advantage Interval Timer every 2 months. Most recently, Interval Timer □ HIIT Timer was updated on September 26, 2026 and Core Advantage Interval Timer on August 17, 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.*