Comparison

Interval Workout Fitness Timer vs Simple 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 Workout Fitness Timer

This app provides an optimized interval timer for various training routines, including strength and trunk training. It offers essential features like voice countdowns, vibration alerts, and background operation to support your workouts. Customize your training sessions with simple or personalized timers.

Highlights
  • Simple and customizable timers
  • Voice countdowns
  • Vibration notifications
  • Background operation
  • Remaining time animation
Features
Read full description

Concentrated training with interval timer optimized for training! It can be used for strength training, interval training, trunk training, etc. Functions essential to the training timer, such as voice count, vibration, movement in the background, etc. are complete. It is also recommended for good people who can customize their name and order by themselves even for simple people with a simple timer. About This application is an interval timer optimized for training. There is a simple timer that sets exercise time and break time for the first time and a custom timer that you can customize exercise name and order yourself. Features 1.Simple timer and customizable timer The first screen is a simple interval timer that alternates exercise time and break time. There is also a custom timer that you can edit your own exercise. 2. Voice count When the remaining time becomes 3 seconds, the voice down countdown begins. You can choose from four types of voice. 3. Vibration notification Vibration notification at the end of the exercise is available. (You can turn it off by setting) 4. Behavior in the background Processing will continue even when you switch to the background, such as locking with the power button or opening other applications. Voice and vibration of the countdown will also be executed during locking. 5. Animation to know the remaining time You can see at a glance the percentage of remaining time that decreases as time progresses.

About

Simple Timer

Features
Read full description

30 seconds of work, and 10 seconds of rest. "Simple Timer" is a minimalist interval timer that fully automates your custom time cycles. Whether you're stretching, practicing yoga, meditating, or focusing on your daily routines, you no longer need to constantly tap your screen to reset the timer. It is designed purely as a tool to keep your focus unbroken from start to finish. Look at the screen, and you'll see a clean circle quietly visualizing the remaining time. Close your eyes, and Siri's voice feedback or soothing ambient sounds will guide you through phase transitions. Stripped of unnecessary features and flashy animations, it simply exists to organize your time beautifully. โ–  Basic Features (Free) * Intuitive Setup: Easily input WORK, REST, and the number of SETS. * Soothing Sounds: Choose from relaxing ambient sounds (like Rain or Forest) or toggle transition sounds. * Voice Assistant: Siri will announce your sets and countdowns in English, allowing you to stay focused without looking at the screen. * Theme Colors: Available in Blue and Red. Blends perfectly with both Dark and Light modes. * Save Presets: Save up to 3 timers for your specific routines. * Apple Health Integration: Automatically log your timer sessions as Mindful Minutes or Workouts in the Apple Health app. โ–  Pro Features (One-time purchase) Remove all ads and unlock the full potential for deeper focus. * iCloud Sync & Backup: Automatically safely sync your custom timers across all your devices. * Multilingual Voice Assistant: Unlock Siri voice feedback in 6 additional languages, including Japanese, Spanish, and French. * Expanded Storage: Save up to 50 timers. * Unlock All Colors: Customize your timers with Cyan, Magenta, Orange, and more. * Screen Auto-Lock (Dimming): Automatically dims the screen after a set time to save battery and prevent visual distractions. * Personal Memos: Add notes like yoga poses or breathing techniques directly to your timers. * Lock Feature: Prevents accidental taps while your timer is running.

Screenshots

Interval Workout Fitness Timer3 screens
Simple Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Interval Workout Fitness Timer at none against Simple Timer's 1. Interval Workout Fitness Timer also leads on ads (none vs shown) and device support (3 vs 1). Simple Timer's advantage is update cadence (every 4 days vs monthly). On price 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. Simple Timer sells 1 one-off in-app purchase. Interval Workout Fitness Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Workout Fitness Timer ships an update monthly, Simple Timer every 4 days. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

Scorecard5 real differences ยท 3 level
Interval Workout Fitness Timer versus Simple Timer: the parameters behind the verdict, then further details
ParameterInterval Workout Fitness TimerSimple Timer
PriceFreeFree
Positive reviews64.0% of reviewsโ€”
Update frequencyMonthlyEvery 4 days โ€” better
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
MonetizationFreeโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS11.0 โ€” better17.6
Further details โ€” not scored
Size24 MB51 MB
Age rating4+4+
DeveloperYudai FukudaTakehiro Asano

In-app purchases

None

Interval Workout Fitness Timer

No in-app purchases

1 purchases

Simple Timer

One-time1
  • Simple Timer Pro$4.99

Questions

Is Interval Workout Fitness Timer free?
Interval Workout Fitness Timer is free to download, with no in-app purchases.
Is Simple Timer free?
Simple Timer is free to download, with in-app purchases available.
Do Interval Workout Fitness Timer or Simple Timer have ads?
Simple Timer shows ads; Interval Workout Fitness Timer does not.
Which is updated more often, Interval Workout Fitness Timer or Simple Timer?
Interval Workout Fitness Timer ships an update monthly, and Simple Timer every 4 days. Most recently, Interval Workout Fitness Timer was updated on October 23, 2026 and Simple Timer on October 7, 2026.

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