Comparison

Intervals Pro vs Ultimate Athlete Project

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Intervals Pro

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
Read full description

Custom Interval Training at its best for iPhone, Apple Watch and iPad. Featured by Apple and recommended by fitness instructors, personal trainers, marathon runners, and coaches. Let Intervals Pro guide you through any type of interval workout: HIIT, running, strength training, yoga, stretching, circuit training, boxing, MMA, elliptical, rehabilitation, meditation, 7-minute workouts, and many more. FEATURED BY • Apple - App of the Day in 132 Countries • Apple - Workout with Apple Watch, Quick HIIT Workouts • Women's Health Magazine • COACH Magazine • SixColors.com HIGHLIGHTS • Highly Customizable • Home Screen Widgets to quickly launch timers • Spoken interval names and prompts • Customizable alert sounds • Standalone Apple Watch workouts. Leave your iPhone at home! • Workout History using Apple Health data • View an Apple Watch workout live on your iPhone! • Run in the background with the screen locked • Play music or podcasts using the app of your choice • Bluetooth heart rate monitor support for Apple Watch or iPhone • Fill your Activity Rings • Siri Shortcuts • Share timers with friends • Time and Distance Goals • Running Pace and Heart Rate Targets • Auto pause and resume • Send completed workouts to Strava • Confetti! PERSONALIZE YOUR WORKOUT • Customize the Name, Duration, Alert, and Color for each interval • Customize Alert Sounds and Voice Prompts to guide you through your workout • Set a Countdown Alert and vibrations when the interval is about to end • Optional halfway alert • Set target heart rate ranges for each interval • Set time and distance goals FLEXIBLE INTERVAL DURATIONS • Time based (e.g., 45 seconds) • Distance-based (e.g., 0.5 MI or KM) • Count up intervals keep running until your ready for the next interval • Estimated time or distance. Count down time or distance to zero and then continue the interval, counting up until you're ready to move on. THE BEST APPLE WATCH INTERVAL TIMER • Leave your phone at home with our standalone Apple Watch app • Control your music or podcasts on the "Now Playing" screen • View an Apple Watch workout live on your iPhone • Alert Sounds and Voice Prompts to guide you through your workout • Configurable haptic alert countdown that taps you on the wrist when the interval is ending • Track heart rate, calories, distance, and pace • Route tracking for running, walking, and cycling • Workouts contribute to the Apple Watch Activity Rings WORKOUT HISTORY USING APPLE HEALTH • Intervals Pro has the best Apple Health integration of any interval training app • Track heart rate, calories, distance, and pace • Route tracking for running, walking, and cycling • Detailed stats for every interval • All your data is safely stored in Apple Health GREAT FOR RUNNING AND CYCLING • Interval duration can be set to either a specified time or distance • Display current pace, pace for the interval, or pace for the entire run • Configure heart rate ranges per interval • Analyze each interval of your run in the workout history MULTIPLE VOICES AND LANGUAGES • Select the language and voice to use for all spoken alerts. • Spoken alerts are localized to 10 languages. Chinese (simplified), Danish, Dutch, French, German, Italian, Norwegian, Polish, Spanish, and Swedish. Get Intervals Pro today, and your workouts will never be the same! SUBSCRIPTION INFO Intervals Pro is free to download and has a free timer. To create multiple timers and unlock all the features of the app, you may choose between a monthly or yearly auto-renewing subscription option. Upon confirmation of the purchase, payment will be charged to your credit card through your iTunes account. Subscription renews automatically unless canceled at least 24 hours before the end of the subscription period. Subscriptions can be managed and auto-renewal turned off in Account Settings in the App Store app. Privacy Policy and Terms of Service: https://intervalspro.com/privacy-policy.html

About

Ultimate Athlete Project

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
Read full description

Train smarter for ultimate. The UAP app delivers periodised strength and conditioning programs designed specifically for ultimate athletes — from off-season base building through to competition taper. STRUCTURED TRAINING PLANS Follow week-by-week programs that build through phases: off-season strength, pre-season conditioning, in-season maintenance, and taper. Each workout tells you exactly what to do, with sets, reps, and rest periods laid out clearly. WORKOUT EXECUTION Log sets with big, easy-to-read weight and rep controls. Rest timers notify you when it's time to go again, even if you switch apps. Watch exercise demo videos and read coaching cues without leaving your workout. TRACK YOUR PROGRESS See your lifetime stats, training history, and per-exercise performance. After each session, get a summary with total volume, personal records, and how your work stacks up. PLAN YOUR SEASON Set a peak date for your target tournament and the app structures your training phases around it. Adjust as your season changes. See your full programme timeline at a glance. WORKS OFFLINE All your data syncs locally. Train in the gym, at the field, or wherever you are - no signal required. ASSESSMENTS Baseline tests measure where you're starting from, so you can track real progress over time. PROGRAMS - Level 1 Strength (52 weeks) - comprehensive strength and conditioning - FreeMove (24 weeks) - movement assessment and development - 6 Week SAQ (free) - speed, agility, and quickness Light and dark mode. Metric and imperial units. Your week, your way.

Screenshots

Intervals Pro4 screens
Ultimate Athlete Project4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Intervals Pro ships an update every 8 days, Ultimate Athlete Project fortnightly. The most recent releases landed on October 3, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 7 level
Intervals Pro versus Ultimate Athlete Project: the parameters behind the verdict, then further details
ParameterIntervals ProUltimate Athlete Project
PriceFreeFree
Rating4.8 (14K ratings)4.9 (9 ratings) — better
Positive reviews84.4% of reviews — better0.0% of reviews
Number of ratings14K — better9
Update frequencyEvery 8 days — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.515.1 — better
Further details — not scored
Size69 MB39 MB
Age rating4+4+
DeveloperIntervals, LLCUlty Results LLC

Customer experience

Intervals Pro

All ratings13,612 ratings
Positive95.1%
Neutral1.7%
Negative3.2%
Written reviews1,081 reviews
Positive84.4%
Neutral4.9%
Negative10.7%

Ultimate Athlete Project

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Intervals Pro

Reported bugs

2 issues
  • Workout data not syncing correctly
  • App crashes or freezes on certain devices

Requested features

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

Ultimate Athlete Project

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Intervals Pro

Subscriptions2
  • Monthly Membership7 Days trial$2.991 Month
  • Yearly Membership7 Days trial$19.991 Year
One-time6
  • Generous Tip$0.99
  • Awesome Tip$1.99
  • Massive Tip$4.99
Show 3 more
  • Amazing Tip$9.99
  • Intervals Pro (Legacy)$69.99
  • Lifetime Access$69.99
2 purchases

Ultimate Athlete Project

Subscriptions2
  • UAP monthly membership$22.491 Month
  • Strength access7 Days trial$26.991 Month

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 3, 2026 and Ultimate Athlete Project on September 16, 2026.

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