Comparison

ZymFit vs Just'a Tabata

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

Head to head
About

ZymFit

Read full description

Scan a product or take a photo of your plate: ZymFit tells you in 2 seconds whether it's good FOR YOU โ€” not just "good in general." A SCORE /100 BASED ON YOUR GOAL Weight loss, muscle gain or balance: the same product doesn't get the same score for everyone. Our engine analyzes calories, protein, sugars, additives, Nutri-Score and NOVA โ€” and rates every food for YOUR goal. SCAN YOUR MEAL WITH A PHOTO The AI recognizes every food on your plate, estimates portions and fills in your log on its own. Calories, macros and score: zero typing. SHOPPING MODE Scan products on the shelf: the best choice stands out on its own, the worst one is flagged. Compare up to 4 products side by side and leave with the right one. YOUR LOG, EFFORTLESS Personalized calorie and macro counter (rest / training days), hydration, saved meals you can reuse in one tap, full history. RESULTS YOU CAN SEE Weight curve toward your goal, day streak, weekly insights and monthly summary. Database of over 3 million products (Open Food Facts, USDA, ANSES-Ciqual). Free to start โ€” ZymFit Pro unlocks unlimited scans, full history and analytics. SUBSCRIPTIONS ZymFit offers several auto-renewable subscription options: ZymFit Pro Monthly โ€” 1 month - โ‚ฌ4.99 ZymFit Pro Yearly โ€” 12 months - โ‚ฌ29.99 7-day free trial included. No charge during the trial period. Prices may vary by region and currency. The exact price will be shown in the app before you confirm your purchase. Payment will be charged to your Apple ID account at confirmation of purchase. The subscription renews automatically at the end of each period unless auto-renewal is turned off at least 24 hours before the end of the current period. You can manage your subscription and turn off auto-renewal in your Apple ID account settings after purchase. Privacy Policy: https://zymfit.app/confidentialite Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Just'a Tabata

Features
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An interval timer that gets out of the way. Build a workout in seconds โ€” work, rest, rounds, sets โ€” then start it and let clear beep cues call every change. The whole builder is free, and so is every workout you save. One person, one workout, two screens. Start, pause, skip and end together on iPhone and Apple Watch when both are open โ€” or run them independently, for two people training at once. โ€ข Work / rest / rounds / sets, exactly as you want them โ€ข Beep cues and haptics on every change โ€ข Unlimited saved workouts, plus a Quick Start you shape yourself โ€ข Home Screen widgets โ€ข Progress history, kept on your device Recommended by TiNa Slim โ€” youtube.com/@TiNa_Slim Pro โ€” one payment, no subscription. Removes the ads and keeps the workout running while you're away from the app, with a live countdown on the Lock Screen and in the Dynamic Island. Adds voice countdown, exercise announcements, the full progress insights, and the Apple Watch app. No account. No cloud. Nothing you record leaves your phone.

Screenshots

ZymFit4 screens
Just'a Tabata4 screens

Verdict

The call

The clearest difference is ads: ZymFit at none against Just'a Tabata's shown. ZymFit also leads on iOS requirement (16.6 vs 26.0). Just'a Tabata's advantage is update cadence (every 5 days vs every 3 weeks) and device support (3 vs 1). On price and in-app purchases 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. ZymFit sells 4 in-app purchases, starting at $4.99 per month and Just'a Tabata 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

ZymFit ships an update every 3 weeks, Just'a Tabata every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard4 real differences ยท 2 level
ZymFit versus Just'a Tabata: the parameters behind the verdict, then further details
ParameterZymFitJust'a Tabata
PriceFreeFree
Update frequencyEvery 3 weeksEvery 5 days โ€” better
AdsNo โ€” betterYes
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, Apple Watch โ€” better
Requires iOS16.6 โ€” better26.0
Further details โ€” not scored
Size16 MB21 MB
Age rating4+4+
DeveloperRoberto BilicVinh Nguyen

In-app purchases

4 purchases

ZymFit

Subscriptions4
  • ZymFit Pro$4.991 Month
  • ZymFit Basic7 Days trial$4.991 Month
  • ZymFit Pro3 Days trial$34.991 Year
Show 1 more
  • ZymFit Basic7 Days trial$49.991 Year
3 purchases

Just'a Tabata

Subscriptions2
  • Pro Monthly3 Days trial$0.991 Month
  • Pro Yearly7 Days trial$4.991 Year
One-time1
  • Just'a Tabata Pro$0.99

Questions

Is ZymFit free?
ZymFit is free to download, with in-app purchases available.
Is Just'a Tabata free?
Just'a Tabata is free to download, with in-app purchases available.
Do ZymFit or Just'a Tabata have ads?
Just'a Tabata shows ads; ZymFit does not.
Which is updated more often, ZymFit or Just'a Tabata?
ZymFit ships an update every 3 weeks, and Just'a Tabata every 5 days. Most recently, ZymFit was updated on October 25, 2026 and Just'a Tabata on October 28, 2026.

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