# Intervals Pro vs Timer for HIIT training

The clearest difference is in-app purchases: Timer for HIIT training at none against Intervals Pro's 8. Timer for HIIT training also leads on iOS requirement (14.0 vs 17.5). Intervals Pro's advantage is ads (none vs shown) and update cadence (every 8 days vs every 37 months). On price, rating 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. Timer for HIIT training asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Intervals Pro against 4.7 for Timer for HIIT training. That said, the two scores are not equally well evidenced: Intervals Pro has 14K ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 84% of Intervals Pro's written reviews are positive against 67% of Timer for HIIT training's.

Intervals Pro ships an update every 8 days, Timer for HIIT training every 37 months. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Intervals Pro | Timer for HIIT training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (14K ratings)](https://appshunter.io/ios/app/intervals-pro-hiit-timer/id957586938/reviews)** | [4.7 (10 ratings)](https://appshunter.io/ios/app/timer-for-hiit-training/id1352280983/reviews) |
| Number of ratings | **14K** | 10 |
| Positive reviews | **84.4% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 37 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 69 MB | 5 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) | [Sergio Musoles Tornador](https://appshunter.io/developer/1235548127) |

## 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


### Timer for HIIT training

[App page](https://appshunter.io/ios/app/timer-for-hiit-training/id1352280983)

This interval training app helps you manage your workouts for various activities like cycling, running, weightlifting, and HIIT. It offers customizable timers for sets, repetitions, and pauses, with visual cues to guide your sessions.

**Highlights:** Customizable time settings, Customizable number of series, Customizable number of repetitions, Pause and resume sessions, Visual cue screen color changes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Intervals Pro free?

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

### Is Timer for HIIT training free?

Timer for HIIT training is free to download, with no in-app purchases.

### Which has better reviews, Intervals Pro or Timer for HIIT training?

Intervals Pro is rated higher. Intervals Pro averages 4.8 out of 5 from 14K ratings, while Timer for HIIT training averages 4.7 from 10 ratings.

### Do Intervals Pro or Timer for HIIT training have ads?

Timer for HIIT training shows ads; Intervals Pro does not.

### Which is updated more often, Intervals Pro or Timer for HIIT training?

Intervals Pro ships an update every 8 days, and Timer for HIIT training every 37 months. Most recently, Intervals Pro was updated on September 26, 2026 and Timer for HIIT training on June 1, 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.*