# 12 Minute Athlete HIIT Timer vs Intervals Pro

The clearest difference is in-app purchases: 12 Minute Athlete HIIT Timer at none against Intervals Pro's 8. 12 Minute Athlete HIIT Timer also leads on iOS requirement (7.0 vs 17.5). Intervals Pro's advantage is update cadence (every 8 days vs every 4 months) and ratings volume (14K vs 31). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Intervals Pro sells 8 in-app purchases, starting at $2.99 per month. 12 Minute Athlete HIIT Timer asks for nothing beyond the download.

12 Minute Athlete HIIT Timer holds the better App Store score, 4.9 against 4.8. That said, the two scores are not equally well evidenced: Intervals Pro has 14K ratings behind it against 31, so its average is the more settled of the two. Written reviews split almost evenly too, at 84% and 84% positive.

12 Minute Athlete HIIT Timer ships an update every 4 months, Intervals Pro every 8 days. Both last shipped on October 20, 2026.

## The numbers

| Metric | 12 Minute Athlete HIIT Timer | Intervals Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (31 ratings)](https://appshunter.io/ios/app/12-minute-athlete-hiit-timer/id673973596/reviews)** | [4.8 (14K ratings)](https://appshunter.io/ios/app/intervals-pro-hiit-timer/id957586938/reviews) |
| Number of ratings | 31 | **14K** |
| Positive reviews | **84.4% of reviews** | 84.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 3 MB | 69 MB |
| Requires iOS | **7.0** | 17.5 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [12 Minute Athlete](https://appshunter.io/developer/665678343) | [Intervals, LLC](https://appshunter.io/developer/331071662) |

## What reviewers say

### 12 Minute Athlete HIIT Timer

[App page](https://appshunter.io/ios/app/12-minute-athlete-hiit-timer/id673973596)

This app provides a programmable interval timer and stopwatch for various workout types, including HIIT and bodyweight exercises. It offers features like saving favorite timers, playing your own music, and sharing workouts. An upgrade unlocks a large library of guided HIIT workouts with exercise demonstrations.

**Highlights:** Programmable interval timer, Save favorite interval timers, Intuitive and easy-to-use design, Play your own music during workouts, Share workouts on social media, Library of guided HIIT workouts (paid), Exercise instructions and videos (paid)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 12 Minute Athlete HIIT Timer free?

12 Minute Athlete HIIT Timer is free to download, with no in-app purchases.

### Is Intervals Pro free?

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

### Which has better reviews, 12 Minute Athlete HIIT Timer or Intervals Pro?

12 Minute Athlete HIIT Timer is rated higher. 12 Minute Athlete HIIT Timer averages 4.9 out of 5 from 31 ratings, while Intervals Pro averages 4.8 from 14K ratings.

### Do 12 Minute Athlete HIIT Timer or Intervals Pro have ads?

Neither 12 Minute Athlete HIIT Timer nor Intervals Pro shows ads.

### Which is updated more often, 12 Minute Athlete HIIT Timer or Intervals Pro?

12 Minute Athlete HIIT Timer ships an update every 4 months, and Intervals Pro every 8 days. Most recently, 12 Minute Athlete HIIT Timer was updated on October 20, 2026 and Intervals Pro on October 20, 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.*