Comparison

Interval Timer vs Heidi Workout Timer

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

Head to head
About

Interval Timer

Read full description

Interval Timer is a simple and user-friendly app designed for fitness enthusiasts, athletes and anyone who needs to manage their workout time efficiently. With its sleek and intuitive interface, Interval Timer makes it easy to customize and run interval training sessions on your phone. Highlights: ** Create your own custom interval routines to fit your specific workout needs ** Easily access all of your favorite workouts with a single tap ** User-friendly interface with an intuitive color scheme ** Choose from a variety of alert sounds or use voice prompts to keep you on track ** Save your workouts for future reference ** Synchronize your workouts with Apple Health and iCloud ** Supports iPhone and iPad Whether you're a seasoned athlete or just starting your fitness journey, our Interval Timer App is designed to help you achieve your goals with ease. Download now and start making the most of your workout time! Interval Timer Premium This app includes an optional lifetime purchase and auto-renewable subscriptions to access all current and upcoming features. The subscription starts with a free trial period and includes a one-month or one-year subscription. Payment will be charged to your Apple ID account at the confirmation of purchase. This subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your Apple ID account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Privacy Policy: https://intervaltimer.info/privacy Terms of Use: https://intervaltimer.info/terms Do you like the app? Then feel free to leave a rating.ย  The app is constantly being improved and your ideas and suggestions are welcome.

About

Heidi Workout Timer

Features
Read full description

This simple interval timer will track time during your workout to keep you working hard. This app is suitable for many types of workout, including: HIIT, Pilates, Tabata, Yoga, and more. Easily create, edit, and delete timed intervals for your workouts. Timers countdown each exercise, rest and recovery period โ€“ and the full workout. Sound and/or vibrate signal the end of each interval. There is a large display which can be read at a distance. You can see a visual history of your recent workout history. Both English and German languages are available. The app can be displayed in light or dark mode, and has a choice of sounds.

Screenshots

Interval Timer4 screens
Heidi Workout Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Heidi Workout Timer at none against Interval Timer's 3. Heidi Workout Timer also leads on update cadence (fortnightly vs every 5 weeks) and iOS requirement (12.4 vs 15.0). On price, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $1.99 per month. Heidi Workout Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Timer ships an update every 5 weeks, Heidi Workout Timer fortnightly. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

Scorecard3 real differences ยท 3 level
Interval Timer versus Heidi Workout Timer: the parameters behind the verdict, then further details
ParameterInterval TimerHeidi Workout Timer
PriceFreeFree
Update frequencyEvery 5 weeksFortnightly โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.012.4 โ€” better
Further details โ€” not scored
Size14 MB12 MB
Age rating4+4+
DeveloperSebastian PrasaHIJO DIGITAL LTD

In-app purchases

3 purchases

Interval Timer

Subscriptions2
  • Premium One Month7 Days trial$1.991 Month
  • Premium One Year7 Days trial$8.491 Year
One-time1
  • Premium Lifetime$16.99
None

Heidi Workout Timer

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Heidi Workout Timer free?
Heidi Workout Timer is free to download, with no in-app purchases.
Do Interval Timer or Heidi Workout Timer have ads?
Neither Interval Timer nor Heidi Workout Timer shows ads.
Which is updated more often, Interval Timer or Heidi Workout Timer?
Interval Timer ships an update every 5 weeks, and Heidi Workout Timer fortnightly. Most recently, Interval Timer was updated on September 10, 2026 and Heidi Workout Timer on September 25, 2026.

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