# Intervals Pro vs iRox

The clearest difference is monetization model: iRox at free against Intervals Pro's free with in-app purchases. iRox also leads on rating (5.0 vs 4.8) and review sentiment (100% vs 85%). Intervals Pro's advantage is ratings volume (14K vs 1) and iOS requirement (17.5 vs 26.5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Intervals Pro sells 8 in-app purchases, starting at $2.99 per month and iRox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

iRox holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Intervals Pro has 14K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 85% of Intervals Pro's written reviews are positive against 100% of iRox's.

Intervals Pro ships an update weekly, iRox every 5 days. The most recent releases landed on November 14, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Intervals Pro | iRox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (14K ratings)](https://appshunter.io/ios/app/intervals-pro-hiit-timer/id957586938/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/irox/id6810410313/reviews)** |
| Number of ratings | **14K** | 1 |
| Positive reviews | 84.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 32 MB |
| Requires iOS | **17.5** | 26.5 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Intervals, LLC](https://appshunter.io/developer/331071662) | [Mount Airy Tech LLC](https://appshunter.io/developer/6810410315) |

## 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


### iRox

[App page](https://appshunter.io/ios/app/irox/id6810410313)

This app transforms your Apple Watch into a dedicated timer for HYROX races, capturing your entire event as a single workout in Apple Health. It also allows you to import past race results and track your progress over time.

**Highlights:** Dedicated race timer for HYROX, Captures entire race as one Apple Health workout, Import past race results via screenshot or PDF, Race history with full splits, Progress tracking across races and stations, No subscription or ads

**Features:** Apple Watch app, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Apple Watch App | $5.99 | one-time |


## Frequently asked questions

### Is Intervals Pro free?

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

### Is iRox free?

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

### Which has better reviews, Intervals Pro or iRox?

iRox is rated higher. Intervals Pro averages 4.8 out of 5 from 14K ratings, while iRox averages 5.0 from 1 ratings.

### Do Intervals Pro or iRox have ads?

Neither Intervals Pro nor iRox shows ads.

### Which is updated more often, Intervals Pro or iRox?

Intervals Pro ships an update weekly, and iRox every 5 days. Most recently, Intervals Pro was updated on November 14, 2026 and iRox on November 10, 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.*