# Intervals Pro vs HIIT timer chronometer gym

The clearest difference is in-app purchases: HIIT timer chronometer gym at none against Intervals Pro's 8. HIIT timer chronometer gym also leads on iOS requirement (14.0 vs 17.5). Intervals Pro's advantage is ads (none vs shown) and review sentiment (84% vs 53%). On price and device support there is nothing between them.

Both are free to download. Intervals Pro sells 8 in-app purchases, starting at $2.99 per month. HIIT timer chronometer gym asks for nothing beyond the download.

Intervals Pro holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Intervals Pro has 14K ratings behind it against 37, so its average is the more settled of the two. Written reviews point the same way: 84% of Intervals Pro's written reviews are positive against 53% of HIIT timer chronometer gym's.

Intervals Pro ships an update every 8 days, HIIT timer chronometer gym every 7 months. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Intervals Pro | HIIT timer chronometer gym |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (14K ratings)](https://appshunter.io/ios/app/intervals-pro-hiit-timer/id957586938/reviews)** | [4.4 (37 ratings)](https://appshunter.io/ios/app/hiit-timer-chronometer-gym/id1086940926/reviews) |
| Number of ratings | **14K** | 37 |
| Positive reviews | **84.4% of reviews** | 52.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 7 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 69 MB | 7 MB |
| Requires iOS | 17.5 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intervals, LLC](https://appshunter.io/developer/331071662) | [Mireia Lluch Ortola](https://appshunter.io/developer/1003230042) |

## What reviewers say

### Intervals Pro

[App page](https://appshunter.io/ios/app/intervals-pro-hiit-timer/id957586938)

Create and follow custom interval training routines for various fitness activities. This app offers extensive customization for intervals, alerts, and goals, with seamless integration for Apple Watch and Apple Health.

**Highlights:** Highly customizable intervals (time/distance), Spoken interval names and prompts, Standalone Apple Watch workouts, Workout history with Apple Health, Home screen widgets for quick launch, Bluetooth heart rate monitor support, Siri Shortcuts integration

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $2.99 | per month |
| Yearly Membership | $19.99 | per year |
| Generous Tip | $0.99 | one-time |
| Awesome Tip | $1.99 | one-time |
| Massive Tip | $4.99 | one-time |
| Amazing Tip | $9.99 | one-time |
| Intervals Pro (Legacy) | $69.99 | one-time |
| Lifetime Access | $69.99 | one-time |

**What reviewers like**

- 👍 Customizable timers and intervals
- 🚀 Seamless Apple Watch integration
- 💪 Helps with fitness goals and training
- 🔍 Detailed workout tracking and analytics
- 🎨 Intuitive and user-friendly interface

**What reviewers complain about**

- 🐛 Occasional sync and connectivity issues
- 🔍 Lack of clear guidance and documentation
- 💰 Paid version required for full functionality

**Reported bugs**

- Workout data not syncing correctly
- App crashes or freezes on certain devices

**Requested features**

- More customization options for interval displays
- Ability to batch delete or manage workout history
- Integration with more third-party fitness apps


### HIIT timer chronometer gym

[App page](https://appshunter.io/ios/app/hiit-timer-chronometer-gym/id1086940926)

This interval timer helps you manage work and rest periods for various fitness activities like HIIT, tabata, and strength training. It offers customizable settings for timers, repetitions, and series, with audible and visual cues to guide your workouts.

**Highlights:** Programmable timers, Customizable time settings, Customizable series and repetitions, Audible and visual alerts, Pause and resume functionality, Speaking coach

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Effective for HIIT workouts
- 💰 Free to use
- 👌 Good for basic timing needs
- 🗣️ Voice control is superb

**What reviewers complain about**

-  anúncios Annoying ads
- 🔇 No sound issues
- 🔒 Screen locks and app stops
- 👎 Unstable, crashes during workouts
- 🎛️ Limited customization options

**Reported bugs**

- Screen goes to sleep and locks
- Screen turns off after last update
- No sound
- App disappears during workouts
- Timer stops when screen is locked

**Requested features**

- Ability to save workout settings
- Option to create rest periods for stretching
- Specify series vs. exercises better
- Basic customization would be useful
- Landscape mode


## Frequently asked questions

### Is Intervals Pro free?

Intervals Pro is free to download, with in-app purchases available.

### Is HIIT timer chronometer gym free?

HIIT timer chronometer gym is free to download, with no in-app purchases.

### Which has better reviews, Intervals Pro or HIIT timer chronometer gym?

Intervals Pro is rated higher. Intervals Pro averages 4.8 out of 5 from 14K ratings, while HIIT timer chronometer gym averages 4.4 from 37 ratings.

### Do Intervals Pro or HIIT timer chronometer gym have ads?

HIIT timer chronometer gym shows ads; Intervals Pro does not.

### Which is updated more often, Intervals Pro or HIIT timer chronometer gym?

Intervals Pro ships an update every 8 days, and HIIT timer chronometer gym every 7 months. Most recently, Intervals Pro was updated on September 24, 2026 and HIIT timer chronometer gym on September 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.*