Comparison

Interval Timer vs 12 Minute Athlete HIIT Timer

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

Head to head
About

Interval Timer

This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.

Highlights
  • Customizable sets, intervals, and rest times
  • Runs in background and with screen locked
  • Music playlist integration
  • Save settings as templates
  • Apple Health integration for heart rate
  • Post workouts to social media
Features
Read full description

***Free and reliable. Perfect for use at home, at the track or in the gym. We’re proud to introduce this handy little app that helps you keep track of your work and rest periods during workouts. Whether your into cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIT, this interval timer will prove to be an invaluable asset to you. Running foreground, background or with device locked, this reliable app allows you specify an overall time as well as program High/Low intensity interval and rest time between sets. Produced by Polycents! Key Features: - Customizable sets, high/low intensity interval and rest for your own need - Retina display, iOS4 and multitasking - Continue to run even when screen is locked - Play your song or playlist during your workout - Post your workout to Facebook or Twitter - Save settings as templates Customizable Features: - Number of Sets - Countdown Time - Set Time - Low Interval time - High Interval time - Rest Time - First Interval (low or high) - Sound Volume - Timer Sounds - Auto Lock - Vibrate - Pause during Rest - Playlist - New Each Set APPLE HEALTH: -Interval Timer can use Apple Health to show heart rate in Apple Watch App. # Subscription Details # - Monthly and annual subscriptions are available. - Payment will be charged to your iTunes account at confirmation of purchase. - Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. - Automatic renewals will be charged at the same price you were originally charged for the subscription. - Subscriptions can be managed by going to Account Settings on the App Store after purchase. Terms of Use: https://www.iubenda.com/terms-and-conditions/18915396 Privacy Policy: https://www.iubenda.com/privacy-policy/18915396

About

12 Minute Athlete HIIT Timer

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
Read full description

12 Minute Athlete HIIT Timer is a programmable interval timer and stopwatch perfect for interval workouts and HIIT training. Whether you're into bodyweight workouts, sprinting, weights, CrossFit, boxing, MMA or HIIT, the 12 Minute Athlete free app is an easy-to-use, beautifully designed tool perfect for all your workout needs. Key features: - Easily program your high/low interval and number of intervals - Save your favorite interval timers for easy access - Simple functionality, intuitive design, easy to use - Post your workout to Twitter or Facebook - Play your own music during your workout Perfect for use with 12minuteathlete.com workouts or any workout of your choice! **Upgrade to the full 12 Minute Athlete app for these awesome features: - 185+ full-body HIIT workouts to choose from. Workouts are either 12 minutes, 16 minutes or time challenge. - Short, intense workouts focus on strength, cardio, interval and core training. - Seven possible equipment choices with option to choose bodyweight-only workout as well. - 35+ bodyweight and equipment-based exercises included. - Access to step-by-step instructions and video demonstrations for every exercise at any time. - Ability to save favorite workouts and interval timers for easy access. - Share your workout on Facebook and Twitter. - Interval timer and stopwatch gives you the option to do your own workouts at any time.

Screenshots

Interval Timer4 screens
12 Minute Athlete HIIT Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: 12 Minute Athlete HIIT Timer at none against Interval Timer's 8. 12 Minute Athlete HIIT Timer also leads on ads (none vs shown) and rating (4.9 vs 4.5). Interval Timer's advantage is update cadence (every 9 days vs every 4 months) and ratings volume (19K vs 31). On price and monetization model 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. Interval Timer sells 6 in-app purchases, starting at $0.99 per month. 12 Minute Athlete HIIT Timer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

12 Minute Athlete HIIT Timer holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 73% of Interval Timer's written reviews are positive against 84% of 12 Minute Athlete HIIT Timer's.

UpkeepUpdate frequency

Interval Timer ships an update every 9 days, 12 Minute Athlete HIIT Timer every 4 months. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

Scorecard8 real differences · 2 level
Interval Timer versus 12 Minute Athlete HIIT Timer: the parameters behind the verdict, then further details
ParameterInterval Timer12 Minute Athlete HIIT Timer
PriceFreeFree
Rating4.5 (19K ratings)4.9 (31 ratings) — better
Positive reviews72.9% of reviews84.4% of reviews — better
Number of ratings19K — better31
Update frequencyEvery 9 days — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS13.07.0 — better
Further details — not scored
Size143 MB3 MB
Age rating4+4+
DeveloperNEO PIXEL LABS PTE. LTD.12 Minute Athlete

Customer experience

Interval Timer

All ratings19,032 ratings
Positive88.4%
Neutral3.3%
Negative8.3%
Written reviews1,597 reviews
Positive72.9%
Neutral5.8%
Negative21.4%

12 Minute Athlete HIIT Timer

All ratings29 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews32 reviews
Positive84.4%
Neutral9.4%
Negative6.3%

Bugs and requests

Interval Timer

Reported bugs

3 issues
  • Ads block functionality
  • App freezes or crashes
  • Timer doesn't work in background

Requested features

5 requests
  • Add notes to workouts
  • Provide workout history and analytics
  • Allow syncing with Apple Health
  • Improve Apple Watch integration
  • Add more customization options

12 Minute Athlete HIIT Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Interval Timer

Subscriptions6
  • Plus - 1 Month$0.991 Month
  • Premium - 1 Month$1.991 Month
  • Plus - 1 Month$1.991 Month
Show 3 more
  • Premium - 1 Month$2.991 Month
  • Plus - 1 Year2 variants$4.991 Year
  • Premium - 1 Year7 Days trial2 variants$9.991 Year
None

12 Minute Athlete HIIT Timer

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is 12 Minute Athlete HIIT Timer free?
12 Minute Athlete HIIT Timer is free to download, with no in-app purchases.
Which has better reviews, Interval Timer or 12 Minute Athlete HIIT Timer?
12 Minute Athlete HIIT Timer is rated higher. Interval Timer averages 4.5 out of 5 from 19K ratings, while 12 Minute Athlete HIIT Timer averages 4.9 from 31 ratings.
Do Interval Timer or 12 Minute Athlete HIIT Timer have ads?
Interval Timer shows ads; 12 Minute Athlete HIIT Timer does not.
Which is updated more often, Interval Timer or 12 Minute Athlete HIIT Timer?
Interval Timer ships an update every 9 days, and 12 Minute Athlete HIIT Timer every 4 months. Most recently, Interval Timer was updated on October 23, 2026 and 12 Minute Athlete HIIT Timer on October 20, 2026.

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