Comparison

Tabata Timer vs Kronos Studio

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

Head to head
About

Tabata Timer

This app provides a versatile interval timer for high-intensity workouts like HIIT and Tabata. Users can create custom routines with adjustable work/rest times, sets, and cycles, and receive voice cues. It functions as a background companion to keep you focused during training.

Highlights
  • Customizable interval timers
  • HIIT and Tabata training support
  • Adjustable work and rest times
  • Set and cycle configuration
  • Interval naming
  • Background operation
  • Voice cues
Features
Read full description

Become better, faster, and stronger — together with Tabata Timer for Workouts! A simple yet powerful HIIT and Tabata timer for cardio, CrossFit, and any high-intensity training. Beginners can start with one tap, while advanced users get full control over every interval. Create custom workouts: adjust work and rest times, sets, and cycles; add interval names, background music, and voice cues. The app runs smoothly in the background, supports vibration, music ducking, and much more. More than just a stopwatch — your personal workout partner that keeps you focused, motivated, and on track anywhere — at home, in the gym, or outdoors. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Kronos Studio

Features
Read full description

Real strength workouts, written for the gear you've got and the 30 minutes you have. Open Kronos and today's session is ready: exercises, sets and the weights filled in, built for the equipment in front of you and the minutes you named. Different every time, shaped to your gear, your time, and how you actually feel today. You don't need more motivation. You need fewer decisions. IT ALREADY KNOWS • It already knows what's at your gym. • It already knows you only have 20 minutes. • It already knows you skipped Tuesday. • It already knows you hated lunges last time. • It already knows you've done legs twice this week. So you don't have to. HOW ONE TAP WORKS BUILT AROUND YOUR ACTUAL GEAR. A pair of dumbbells, a full gym, or nothing at all: tell Kronos what you have and it never writes a workout that needs a cable machine someone else is on. It fills in the weight, too, instead of leaving you a blank. HOTEL ROOM? HOTEL WORKOUT. Save your spots: gym, home, hotel, the park. Switch in one tap and the workout reshapes itself. Flag an injury once and it plans around that too. SWIPE EXERCISES, NOT EX'S. Love it, like it, meh, never again. Every swipe trains the next workout. PROGRAMS THAT BEND. Seventeen programs, 2 to 8 weeks each, written for your gear and shaped to your week instead of the other way round. The first session of every one is free. Any day you'd rather not be on one, build a single session instead. TRAIN WITH YOUR CREW Start a challenge, drop the code in the group chat, and every finished day puts your name on the Wall beside theirs. Pick a shape: a daily target, a ladder, a weekly max test, or just show up. Wildcards cover a missed day, streaks carry, and nobody gets a notification about your rest day. It's the part that makes people keep going, and it isn't a leaderboard for strangers. It's five people you already know. A BIG CALM TIMER We tell you what's next; you just lift. No tapping mid-set. Then swipe: right to keep, left for never again. Benchmarks are in there too. Cindy, Murph, and 42 more, each one scaled to the kit you actually own instead of the kit the workout assumed. LOGGING, WHEN YOU WANT IT Log a set if you want the number. Skip it if you don't. Your week, your lifts, and your history are there when you go looking, and never the price of getting a workout. PLUS A FREE INTERVAL TIMER. ACTUALLY FREE. HIIT, Tabata, EMOM, AMRAP, plus full custom intervals. Save unlimited presets. The screen stays awake, the cues mix over your music, and there are no ads. No account needed, no "Pro timer" upsell. Not now, not ever. WHAT WE BELIEVE Variety beats optimization. Constraints are features. Decisions are willpower taxes. Today's mood matters. Adherence beats intensity. Fun is a strategy. A B+ workout four days a week beats an A+ workout once. Every time. KRONOS PRO Free is the interval timer, forever, plus five workouts written for your gear and the first session of every program. Pro is the rest: a new workout every day you open the app, every session of all 17 programs, your whole history scored, up to 10 challenges at once, and crew insights. Prices are shown in the app and may vary by region. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms: https://getkronos.app/terms Privacy: https://getkronos.app/privacy Most fitness apps make you a workout plan. Kronos makes you a person who works out. The best workout is the one you'll actually do.

Screenshots

Tabata Timer4 screens
Kronos Studio4 screens

Verdict

The call

The clearest difference is ads: Kronos Studio at none against Tabata Timer's shown. Kronos Studio also leads on update cadence (every 2 days vs every 10 days). On price, in-app purchases, device support and iOS requirement 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. Tabata Timer sells 5 in-app purchases, starting at $1.49 per month and Kronos Studio sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Tabata Timer ships an update every 10 days, Kronos Studio every 2 days. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 8 level
Tabata Timer versus Kronos Studio: the parameters behind the verdict, then further details
ParameterTabata TimerKronos Studio
PriceFreeFree
Rating4.9 (9.2K ratings) — better—
Positive reviews98.4% of reviews—
Number of ratings9.2K — better—
Update frequencyEvery 10 daysEvery 2 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Apple Watch
Requires iOS15.6 — better16.4
Further details — not scored
Size40 MB97 MB
Age rating4+12+
DeveloperOleksandr SerhiienkoMuller Labs LLC

Bugs and requests

Tabata Timer

Reported bugs

3 issues
  • Workouts not saving properly
  • Sync issues between app and Apple Watch
  • Occasional freezing or restarting of device

Requested features

5 requests
  • Ability to name and save more workouts in free version
  • Option to add exercise images or videos
  • Sync workouts across devices
  • Customizable sounds and alerts
  • Workout history and progress tracking

Kronos Studio

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Tabata Timer

Subscriptions4
  • Premium$1.491 Month
  • Premium$2.993 Months
  • Premium$4.496 Months
Show 1 more
  • Premium$7.491 Year
One-time1
  • Premium$9.99
2 purchases

Kronos Studio

Subscriptions2
  • Kronos Pro Monthly$8.991 Month
  • Kronos Pro Yearly$49.991 Year

Questions

Is Tabata Timer free?
Tabata Timer is free to download, with in-app purchases available.
Is Kronos Studio free?
Kronos Studio is free to download, with in-app purchases available.
Do Tabata Timer or Kronos Studio have ads?
Tabata Timer shows ads; Kronos Studio does not.
Which is updated more often, Tabata Timer or Kronos Studio?
Tabata Timer ships an update every 10 days, and Kronos Studio every 2 days. Most recently, Tabata Timer was updated on October 13, 2026 and Kronos Studio on October 1, 2026.

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