Comparison

Tabatach vs J

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

Head to head
About

Tabatach

Create and manage personalized interval training routines for various fitness activities like HIIT, Tabata, and Crossfit. Utilize distinct whistle sounds and text-to-speech for clear workout guidance, allowing you to focus on your exercise.

Highlights
  • Customizable work and rest intervals
  • Personalized workout creation
  • Distinct whistle sounds for cues
  • Text-to-speech for exercise names
  • Pause and restart sessions
  • Visual screen flashes
Features
Read full description

TABATACH Timer is an easy to use app for High Intensity Interval Training (HIIT). It helps you to do Tabata, Crossfit, Kettlebell, Running, Yoga, Cycling or any interval fitness training. Define your workout intervals (work, rest, cycles ) and create unique, personalized workouts. TABATACH is loaded with different types of Whistle Sounds that help identify what part of a workout you are in, interval beeps for example tell you when a new interval has started. It will help you focus on your workout and forget about the time. • Simple and intuitive interface • Distinguishable different types of whistle sounds • The text to speech option will read out exercise names • Customize work time • Customize rest time • Adjust the number of cycles to match your pace • Easy to check the information of Exercises • Restart session where you left off if interrupted • Mute sound • Screen flashes for visual cue • Jump between intervals in the middle of a workout as needed • Pause your workouts if needed • Create your own sets and workouts + WHAT’S HIIT + High-intensity interval training (HIIT) is an enhanced form of interval training, an exercise strategy alternating periods of short intense anaerobic exercise with less-intense recovery periods. HIIT is a form of cardiovascular exercise. Usual HIIT sessions may vary from 4–30 minutes. These short, intense workouts provide improved athletic capacity and condition, improved glucose metabolism, and improved fat burning. This definition comes from wikipedia (http://en.wikipedia.org/wiki/High-intensity_interval_training) where you can find a lot more informations. It explains some very popular program, like the TABATA. HIIT is also a common practice in Crossfit trainings. Thank you for using TABATACH. Please reach out to tabatach@saltycrackers.net with any issues or suggestions. ** Stay tuned, TABATACH is getting better!

About

J

This app provides tools to structure your juggling practice sessions, including warm-up, practice, and cool-down routines. It features interval training for customized workouts and a talking timer for endurance practice, offering verbal feedback without needing to check your stopwatch.

Highlights
  • Structured practice routines (warm-up, practice, cool-down)
  • Customizable interval training workouts
  • Talking timer for endurance practice
  • Verbal feedback for endurance contests
  • Ad-free experience
Features
Read full description

Enhance your juggling practice! The J-Trainer app will give you tools to ensure that your juggling practice sessions include proper warmup, practice, and cool down. The interval training portion of the J-Trainer tool allows you to build customized workouts to ensure you spend the right amount of practice time on each section of your practice. Most juggling festivals include endurance contests like: club balance endurance, 5 ball endurance, 5 club endurance, and quarter juggling endurance. The Talking Timer feature of the J-trainer gives you verbal feedback on your endurance, so you don't have to look down at your stop watch. ---------------------------- No advertisements and no in app purchases are contained in this app. ---------------------------- Other apps by this developer: Protect TD (Protect Tower Defense - Save the Animals) Math Tower Defense Eagle Mandarin Mandarin Prof Math Town Spelling Ace Spy Town Spanish Prof ---------------------------- I hope you enjoy this app. Feel free to send me feedback if you have suggestions for future updates.

Screenshots

Tabatach4 screens
J4 screens

Verdict

The call

The clearest difference is price: J at Free against Tabatach's $1.99. J also leads on rating (5.0 vs 4.1) and update cadence (monthly vs every 6 months). Tabatach's advantage is ratings volume (54 vs 4). On ads, in-app purchases, monetization model 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

J is free to download; Tabatach costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

J holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Tabatach has 54 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 74% of Tabatach's written reviews are positive against 100% of J's.

UpkeepUpdate frequency

Tabatach ships an update every 6 months, J monthly. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

Scorecard6 real differences · 4 level
Tabatach versus J: the parameters behind the verdict, then further details
ParameterTabatachJ
Price$1.99Free — better
Rating4.1 (54 ratings)5.0 (4 ratings) — better
Positive reviews74.3% of reviews100.0% of reviews — better
Number of ratings54 — better4
Update frequencyEvery 6 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.2 — better
Further details — not scored
Size12 MB19 MB
Age rating4+4+
DeveloperEUIHYUNG JUNGHeather Marriott

Customer experience

Tabatach

All ratings54 ratings
Positive75.9%
Neutral7.4%
Negative16.7%
Written reviews109 reviews
Positive74.3%
Neutral7.3%
Negative18.3%

J

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Tabatach

Reported bugs

25 issues
  • Feedback button not working
  • Music starts playing again after being muted
  • App skipping exercises during a workout
  • Timer freezes
  • Audio won't play unless headphones are in
Show 20 more
  • App doesn't always play in the background
  • App 'spazzes out' when returning from another app
  • Pausing app immediately pauses music
  • App freezes when a text message is received
  • Scrolling functionality not working on older iPhones
  • DJ feature not working
  • Test speaker not working
  • App crashes on launch
  • Workout DJ spelling error ('WOKROUT')
  • Workout DJ not working on iPhone 4s
  • Cannot reach settings below text-to-speech on smaller screens
  • Cannot add more than 5 workouts or 3 exercises due to button placement on smaller screens
  • Sound stopped working entirely
  • App not filling screen on newer iPhones
  • Music stops when workout is paused
  • App not accessible with VoiceOver
  • Scrolling down not working on iOS 7
  • Cannot delete workouts easily
  • App not running in background when screen is locked
  • Robot voice pronunciation of 'cycle'

Requested features

36 requests
  • Sharing workouts with friends
  • Repeating complete workout sets/circuits
  • Adding workout motivation songs/rhythms
  • Differentiating between music and countdown/announcement sounds
  • Specifying number of times to run entire circuit
Show 31 more
  • Setting rest time to zero
  • Folders for organizing programs
  • Adding rounds as exercises are added
  • Adding information about exercises
  • Watch version (Apple Watch)
  • Adding rest between each movement
  • Repetition mode (mix of reps and timing)
  • Rearranging workouts
  • Adding a donate feature
  • Total workout time display
  • Chinese language support (speech and fonts)
  • Apple Watch app with haptic feedback
  • Cloud backup/sync for workouts
  • Copy and paste intervals for repeated cycles
  • Skipping announcement for single cycle
  • Ability to change music mid-workout
  • Ability to move to next set/exercise without canceling
  • Clap at the end of workout
  • Log workouts
  • Add weight for resistance training
  • See workout duration while customizing
  • Dark mode
  • Advanced analytics dashboard
  • Ability to look at routine while doing it
  • Skipping an exercise or going back during a routine
  • Subdividing exercise time
  • Context for exercises/sets left
  • Integration with Spotify/Play Music
  • Modifying existing workouts to create new ones
  • Login with Facebook
  • Adding a log feature

J

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Tabatach

No in-app purchases

None

J

No in-app purchases

Questions

Is Tabatach free?
Tabatach costs $1.99, with no in-app purchases.
Is J free?
J is free to download, with no in-app purchases.
Which has better reviews, Tabatach or J?
J is rated higher. Tabatach averages 4.1 out of 5 from 54 ratings, while J averages 5.0 from 4 ratings.
Do Tabatach or J have ads?
Neither Tabatach nor J shows ads.
Which is updated more often, Tabatach or J?
Tabatach ships an update every 6 months, and J monthly. Most recently, Tabatach was updated on September 26, 2026 and J on June 1, 2026.

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