Comparison

Intervals Pro vs SwolTime

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

SwolTime

This app provides a versatile interval timer for various fitness routines like Tabata, HIIT, boxing, and weightlifting. It allows for real-time adjustments, customizable settings, and workout sequencing. Track progress with notes and use it in the background or with Apple Watch integration.

Highlights
  • Dynamic workout timer control
  • On-the-fly timer adjustments
  • Customizable interval timer settings
  • Custom workout sequencing
  • Progress notes
  • Background operation
  • Apple Watch integration
Features
Read full description

Time your Tabata, HIIT, boxing, crossfit, running, weightlifting, EMOM, and WOD routines with SwolTime — the workout timer app for precise interval tracking, rest management, and customizable fitness planning. [ DYNAMIC WORKOUT TIMER CONTROL ] • With a simple press, SwolTime adapts in real-time, letting you tweak sets, workout, and rest durations without missing a beat. [ ON-THE-FLY TIMER ADJUSTMENTS ] • Fine-tune your session's intensity by adding or cutting time, and navigate through your workout with skip and rewind options. [ CUSTOMIZE INTERVAL TIMER SETTINGS ] • Personalize your SwolTime experience in the Settings, from timer increments to motivational halfway sounds. [ CUSTOM WORKOUT SEQUENCING ] • SwolTime Playlists combine exercises into cohesive sessions, simplifying routines with smooth transitions and tailored rest periods. [ QUEUE WORKOUT PLAYLISTS ] • Quickly organize and modify exercises in a sequence, enhancing workout focus and efficiency. [ PROGRESS NOTES ] • Document your journey with detailed notes on Playlists and exercises, a simple yet powerful tool for tracking your fitness evolution. [ BACKGROUND BEAST MODE ] • SwolTime's background functionality means your focus stays on your workout, not your screen, even with your phone locked. [ APPLE WATCH INTEGRATION ] • Adjust your workout on-the-fly directly from your Apple Watch. Monitor intervals and manage your workout all from the convenience of your wrist. ▶ ONE TIMER FOR EVERY WORKOUT ◀ [ WORKOUT INTERVAL TIMER ] • Craft the ideal balance between active sessions and rest periods, enhancing both endurance and strength. [ BOXING ROUND TIMER ] • Sharpen your technique and precision with custom "Boxing Training" playlists, integrating exercises and breaks for a seamless session. [ TABATA TIMER ] • Engage in quick, intense bouts of exercise followed by very short breaks, a method proven to increase stamina and strength. [ HIIT TIMER ] • Tailor your sessions for short, intense bursts of activity followed by brief recovery periods, ideal for burning fat and improving cardiovascular health. [ CROSSFIT TIMER ] • Organize your varied, high-intensity workouts with a timer that adapts to the day's challenge, keeping you on track and motivated. [ WOD TIMER ] • Navigate the Workout of the Day with ease, focusing on beating your personal bests in a variety of high-intensity activities. [ EMOM WORKOUT TIMER ] • Boost efficiency with a timer that challenges you to complete a task at the start of every minute, perfect for high-intensity workouts. [ WEIGHTLIFTING REST TIMER ] • Leverage strategic breaks to maximize recovery and performance, making each workout more effective. [ STOPWATCH TIMER ] • Capture every moment of your training with accuracy, ideal for timing sprints, laps, or measuring improvement over time. [ GYM TIMER ] • Organize your gym session effectively, ensuring a comprehensive workout that covers all your fitness goals. [ RUNNING & SPRINT TIMER ] • Enhance your running or sprinting with targeted timing, focusing on improving speed and endurance with every session. ▶ READ WHAT SWOLTIME USERS SAY ◀ • "[...] I looooove this app - it targets all the most annoying aspects of planning your own workout." • "[...] The halfway chime is the only thing that keeps me going during hard sets." • "[...] No more hassle configuring things on the fly. Every other app feels like a toy compared to this." ------------ Download SwolTime to transform your workouts on your smartphone. Need assistance or have suggestions? Reach out for support at support@swoltime.com. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://swoltime.com/privacy-policy

Screenshots

Intervals Pro4 screens
SwolTime4 screens

Verdict

The call

The clearest difference is ratings volume: Intervals Pro at 14K against SwolTime's 52. SwolTime's advantage is review sentiment (100% vs 84%) and iOS requirement (13.0 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 SwolTime sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SwolTime 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 52, so its average is the more settled of the two. Written reviews point the same way: 84% of Intervals Pro's written reviews are positive against 100% of SwolTime's.

UpkeepUpdate frequency

Intervals Pro ships an update every 8 days, SwolTime fortnightly. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
Intervals Pro versus SwolTime: the parameters behind the verdict, then further details
ParameterIntervals ProSwolTime
PriceFreeFree
Rating4.8 (14K ratings)5.0 (52 ratings) — better
Positive reviews84.4% of reviews100.0% of reviews — better
Number of ratings14K — better52
Update frequencyEvery 8 days — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.513.0 — better
Further details — not scored
Size69 MB77 MB
Age rating4+4+
DeveloperIntervals, LLCSWOL LLC (USA)

Customer experience

Intervals Pro

All ratings13,612 ratings
Positive95.1%
Neutral1.7%
Negative3.2%
Written reviews1,072 reviews
Positive84.4%
Neutral4.9%
Negative10.7%

SwolTime

All ratings52 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews32 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

SwolTime

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

SwolTime

Subscriptions2
  • SwolTime Pro Monthly7 Days trial$1.991 Month
  • SwolTime Pro Yearly14 Days trial$12.991 Year

Questions

Is Intervals Pro free?
Intervals Pro is free to download, with in-app purchases available.
Is SwolTime free?
SwolTime is free to download, with in-app purchases available.
Which has better reviews, Intervals Pro or SwolTime?
SwolTime is rated higher. Intervals Pro averages 4.8 out of 5 from 14K ratings, while SwolTime averages 5.0 from 52 ratings.
Do Intervals Pro or SwolTime have ads?
Neither Intervals Pro nor SwolTime shows ads.
Which is updated more often, Intervals Pro or SwolTime?
Intervals Pro ships an update every 8 days, and SwolTime fortnightly. Most recently, Intervals Pro was updated on September 26, 2026 and SwolTime on September 21, 2026.

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