Comparison

Interval Workout Fitness Timer vs SuperSlowTrainingTimer

Price, ratings, monetisation and update history for both apps, side by side — 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

SuperSlowTrainingTimer

This app guides you through slow training exercises with voice and screen prompts for lifting, holding, and lowering. Create custom training menus with adjustable repetitions, sets, and intervals. Supports background operation and dark mode for convenient use during workouts.

Highlights
  • Voice and screen counting for movements
  • Customizable training menus
  • Adjustable reps, sets, and intervals
  • Background operation support
  • Dark mode display
  • Silent mode operation
Features
Read full description

SuperSlowTrainingTimer is a timer application with a read-out function dedicated to slow training. It counts the movements that are important in slow training, such as lifting slowly, holding, and lowering slowly which are important in slow training, are counted by voice and screen display. You can create as many training menus as you want. The number of seconds, number of repetitions, interval time, and number of sets for each movement can be set freely. Dark mode display, background operation, and operation without releasing silent mode are also supported. It also supports dark mode display, background operation, and operation without releasing silent mode. It can be used for weight training, muscle training at home, toning up a lax body, maintaining muscle strength, and rehabilitation. It can be used for weight training, muscle training at home, toning up a lax body, maintaining muscle strength, rehabilitation, and as a reliable companion for slow training. <What is "slow training"?> Slow training is a training method that allows you to increase the load on your muscles by performing muscle training in slow motion. Slow training is a training method that increases the load on the muscles by training them in slow motion. Even with a small number of repetitions, the effect is tremendous. By moving slowly, the load on the joints is also reduced, thus reducing the risk of injury. <The following items can be set> ・The number of seconds to count down to the start  ・Name of the training menu ・Number of seconds to move (raise or lower) ・Number of seconds to hold ・Number of seconds to return (lower/lower/up) ・Number of repetitions ・Interval between reps ・Number of sets ・Interval between sets ・Counting voice <Features of the app> ・Count each movement (move, hold, return) with voice and display. ・You can create as many training menus as you like. ・You can choose the type of voice that counts. ・Push notifications for today's workout. ・Tap the notification and start working out immediately. ・Cool dark mode display. ・Can be used without deactivating silent mode

Screenshots

Interval Workout Fitness Timer3 screens
SuperSlowTrainingTimer4 screens

Verdict

The call

The clearest difference is review sentiment: SuperSlowTrainingTimer at 100% against Interval Workout Fitness Timer's 64%. Interval Workout Fitness Timer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and update cadence 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. SuperSlowTrainingTimer 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, SuperSlowTrainingTimer every 3 weeks. The most recent releases landed on September 10, 2026 and June 2, 2026 respectively.

Scorecard6 real differences · 4 level
Interval Workout Fitness Timer versus SuperSlowTrainingTimer: the parameters behind the verdict, then further details
ParameterInterval Workout Fitness TimerSuperSlowTrainingTimer
PriceFreeFree
Rating—3.7 (3 ratings) — better
Positive reviews64.0% of reviews100.0% of reviews — better
Number of ratings—3 — better
Update frequencyMonthlyEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better18.0
Further details — not scored
Size24 MB12 MB
Age rating4+4+
DeveloperYudai FukudaKENICHI YAMAMOTO

Customer experience

Interval Workout Fitness Timer

Written reviews50 reviews
Positive64.0%
Neutral12.0%
Negative24.0%

SuperSlowTrainingTimer

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Interval Workout Fitness Timer

No in-app purchases

1 purchases

SuperSlowTrainingTimer

One-time1
  • Remove ADs$3.99

Questions

Is Interval Workout Fitness Timer free?
Interval Workout Fitness Timer is free to download, with no in-app purchases.
Is SuperSlowTrainingTimer free?
SuperSlowTrainingTimer is free to download, with in-app purchases available.
Do Interval Workout Fitness Timer or SuperSlowTrainingTimer have ads?
SuperSlowTrainingTimer shows ads; Interval Workout Fitness Timer does not.
Which is updated more often, Interval Workout Fitness Timer or SuperSlowTrainingTimer?
Interval Workout Fitness Timer ships an update monthly, and SuperSlowTrainingTimer every 3 weeks. Most recently, Interval Workout Fitness Timer was updated on September 10, 2026 and SuperSlowTrainingTimer on June 2, 2026.

Other comparisons