Comparison

Personal Interval Timer vs Tabata Workout Timer (TWT)

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

Head to head
About

Personal Interval Timer

This app helps you manage timed workouts for sports like boxing, HIIT, and Tabata. It offers customizable presets, workout history tracking, and works with a locked screen and background music. Share your routines with friends and receive voice or bell notifications.

Highlights
  • Works with locked screen
  • Plays with background music
  • Saves custom presets
  • Share workouts with friends
  • History and progress charts
  • Voice or bell notifications
Features
Read full description

Simple interface to do sport without wasting time. Personal Interval Timer is good for Boxing, MMA, BJJ, HIIT, Tabata, and any activity with intervals. Features: - Works with the locked phone with a black screen - Works while your music is playing - Saving your customized presets/workouts - Sharing workouts with friends - Shows your history and the progress in charts - Voice or bell notifications

About

Tabata Workout Timer (TWT)

Features
Read full description

TWT Tabata Workout Timer is a Workout Timer which was created to be set-up in a few seconds your new workout counting without any need of WiFi or Mobile Data connection. Free Version • Easy to use by pre set-up drag and drop timings. • Different timings can be implemented in one workout • E.g. 30 sec. work // 30 sec. rest // 60 sec. work • Workout timings can be saved. • 15 sec to set-up your timer • Round counting • Set-up your own timings for individual training. • Advertisements will appear !!! You can sign up for Premium to enjoy the App without any advertisements !!! WHY SHOULD YOU WORKOUT Benefits of Regular Physical Exercise Only 30 minutes of daily exercise could help you enjoy many benefits, including the following. • Manage your body weight • Maintain low blood pressure • Reduce the risks of a heart attack • Possess stronger muscles, joints, and bones • Feel relaxed and energetic • Enjoy better sleep • Meet new People by workout together Many researches have proved that exercise helps maintain a healthier state of mind. Mental Health Benefits of Regular Physical Exercise • Exercise blocks negative thoughts and keeps you away from daily worries • It helps to improve social contact while exercising with others. • Working on fitness would improve your sleeping patterns and also uplift your mood. • Exercise helps boost certain hormones and change the levels of certain chemicals in the body, such as endorphins, serotonin, and stress hormones. • For maintaining a better and healthy routine, people decided to opt for gyms. By committing yourself to the best workout, you can continue with a daily routine of exercising, and it would help build up your confidence. Eula: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://tdinnovations.de/privacyPolicy

Screenshots

Personal Interval Timer4 screens
Tabata Workout Timer (TWT)4 screens

Verdict

The call

The clearest difference is update cadence: Personal Interval Timer at every 4 weeks against Tabata Workout Timer (TWT)'s every 2 months. On price, ads, in-app purchases and device support 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. Personal Interval Timer sells 1 one-off in-app purchase and Tabata Workout Timer (TWT) sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Personal Interval Timer ships an update every 4 weeks, Tabata Workout Timer (TWT) every 2 months. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

Scorecard1 real difference · 9 level
Personal Interval Timer versus Tabata Workout Timer (TWT): the parameters behind the verdict, then further details
ParameterPersonal Interval TimerTabata Workout Timer (TWT)
PriceFreeFree
Rating4.8 (14 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings14 — better—
Update frequencyEvery 4 weeks — betterEvery 2 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.2 — better15.6
Further details — not scored
Size7 MB48 MB
Age rating4+4+
DeveloperAlexApps.Net CoT&D Innovations GbR

In-app purchases

1 purchases

Personal Interval Timer

One-time1
  • Remove Ads$5.99
3 purchases

Tabata Workout Timer (TWT)

Subscriptions3
  • Ad-free monthly subscription$0.991 Month
  • Ad-free 6 month subscription$3.996 Months
  • Ad-free yearly subscription$8.991 Year

Questions

Is Personal Interval Timer free?
Personal Interval Timer is free to download, with in-app purchases available.
Is Tabata Workout Timer (TWT) free?
Tabata Workout Timer (TWT) is free to download, with in-app purchases available.
Do Personal Interval Timer or Tabata Workout Timer (TWT) have ads?
Both Personal Interval Timer and Tabata Workout Timer (TWT) show ads.
Which is updated more often, Personal Interval Timer or Tabata Workout Timer (TWT)?
Personal Interval Timer ships an update every 4 weeks, and Tabata Workout Timer (TWT) every 2 months. Most recently, Personal Interval Timer was updated on September 23, 2026 and Tabata Workout Timer (TWT) on September 18, 2026.

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