# Intervals Pro vs Ultimate Athlete Project

Intervals Pro and Ultimate Athlete Project both sit at 4.8 stars, but that hides the real split: 84% of Intervals Pro's written reviews are positive against 0% of Ultimate Athlete Project's. Intervals Pro also leads on ratings volume (14K vs 9). Ultimate Athlete Project's advantage is iOS requirement (15.1 vs 17.5). On price, rating, update cadence 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 and Ultimate Athlete Project sells 2 in-app purchases, starting at $22.49 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Intervals Pro against 4.9 for Ultimate Athlete Project. That said, the two scores are not equally well evidenced: Intervals Pro has 14K ratings behind it against 9, 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 0% of Ultimate Athlete Project's.

Intervals Pro ships an update every 8 days, Ultimate Athlete Project fortnightly. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Intervals Pro | Ultimate Athlete Project |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (14K ratings)](https://appshunter.io/ios/app/intervals-pro-hiit-timer/id957586938/reviews) | **[4.9 (9 ratings)](https://appshunter.io/ios/app/ultimate-athlete-project/id1292175564/reviews)** |
| Number of ratings | **14K** | 9 |
| Positive reviews | **84.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 69 MB | 39 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intervals, LLC](https://appshunter.io/developer/331071662) | [Ulty Results LLC](https://appshunter.io/developer/1292175563) |

## 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


### Ultimate Athlete Project

[App page](https://appshunter.io/ios/app/ultimate-athlete-project/id1292175564)

This app provides structured strength and conditioning programs tailored for ultimate athletes. It offers periodized training plans, detailed workout execution guidance, progress tracking, and season planning tools. Train effectively for off-season, pre-season, and in-season phases, with offline functionality available.

**Highlights:** Periodized strength and conditioning programs, Week-by-week structured training plans, Detailed workout execution with timers, Progress tracking and lifetime stats, Season planning with peak date setting, Offline workout functionality, Exercise demo videos

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UAP monthly membership | $22.49 | per month |
| Strength access | $26.99 | per month |


## Frequently asked questions

### Is Intervals Pro free?

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

### Is Ultimate Athlete Project free?

Ultimate Athlete Project is free to download, with in-app purchases available.

### Which has better reviews, Intervals Pro or Ultimate Athlete Project?

Ultimate Athlete Project is rated higher. Intervals Pro averages 4.8 out of 5 from 14K ratings, while Ultimate Athlete Project averages 4.9 from 9 ratings.

### Do Intervals Pro or Ultimate Athlete Project have ads?

Neither Intervals Pro nor Ultimate Athlete Project shows ads.

### Which is updated more often, Intervals Pro or Ultimate Athlete Project?

Intervals Pro ships an update every 8 days, and Ultimate Athlete Project fortnightly. Most recently, Intervals Pro was updated on October 18, 2026 and Ultimate Athlete Project on October 3, 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.*