Comparison

Gustav Workout Timer vs Just'a Tabata

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

Head to head
About

Gustav Workout Timer

This app helps you manage your workout intervals for various training types like HIIT, circuits, and strength. It offers customizable timers, built-in options, and personalized interval naming for a focused and comfortable training experience.

Highlights
  • Customizable intervals up to 10 minutes
  • Ready-made built-in timers
  • Save custom timers to Favourites
  • Custom interval naming
  • New sound and audio cue options
  • Haptic feedback for interval changes
  • Modern Liquid Glass design
Features
Read full description

Gustav Workout Timer – your interval timer for HIIT, Tabata, CrossFit, circuit training, and all workout types. Fast, clean, and more convenient than ever. Perfect for HIIT workouts, cardio training, strength training, yoga, and circuit training – all your interval exercise needs. What you'll find in the app: - Customizable intervals: set up to 10 intervals with durations up to 10 minutes, including countdown before your first interval starts. - Built-in timers: pre-made workout timers ready to use instantly without setup. - Favorites: save your custom timers and easily share them with your team. - Personal naming: name each interval according to your workout. - New sounds + audio alerts: choose what signals the end of each interval. - Haptic feedback: gentle haptic response so you stay informed without looking at the screen. - Liquid Glass design: modern, clean aesthetic with new transitions and depth. - New animations: smoother and more engaging workout experience. - Various backgrounds: choose from preset backgrounds or use your own. - Improved user experience: more intuitive keyboard handling, better portrait mode display, and additional optimizations. Whether you're pushing hard through short intervals or going at a steady pace, this app helps you keep the rhythm and focus on your technique.

About

Just'a Tabata

Features
Read full description

An interval timer that gets out of the way. Build a workout in seconds — work, rest, rounds, sets — 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 — or run them independently, for two people training at once. • Work / rest / rounds / sets, exactly as you want them • Beep cues and haptics on every change • Unlimited saved workouts, plus a Quick Start you shape yourself • Home Screen widgets • Progress history, kept on your device Recommended by TiNa Slim — youtube.com/@TiNa_Slim Pro — 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

Gustav Workout Timer4 screens
Just'a Tabata4 screens

Verdict

The call

The clearest difference is in-app purchases: Gustav Workout Timer at none against Just'a Tabata's 3. Gustav Workout Timer also leads on ads (none vs shown) and iOS requirement (18.0 vs 26.0). Just'a Tabata's advantage is update cadence (every 5 days vs monthly). On price 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. Just'a Tabata sells 3 in-app purchases, starting at $0.99 per month. Gustav Workout Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Gustav Workout Timer ships an update monthly, Just'a Tabata every 5 days. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
Gustav Workout Timer versus Just'a Tabata: the parameters behind the verdict, then further details
ParameterGustav Workout TimerJust'a Tabata
PriceFreeFree
Rating4.1 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyMonthlyEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS18.0 — better26.0
Further details — not scored
Size31 MB21 MB
Age rating4+4+
DeveloperDalibor JanecekVinh Nguyen

In-app purchases

None

Gustav Workout Timer

No in-app purchases

3 purchases

Just'a Tabata

Subscriptions2
  • Pro Monthly3 Days trial$0.991 Month
  • Pro Yearly7 Days trial$4.991 Year
One-time1
  • Pro Lifetime$9.99

Questions

Is Gustav Workout Timer free?
Gustav Workout Timer is free to download, with no in-app purchases.
Is Just'a Tabata free?
Just'a Tabata is free to download, with in-app purchases available.
Do Gustav Workout Timer or Just'a Tabata have ads?
Just'a Tabata shows ads; Gustav Workout Timer does not.
Which is updated more often, Gustav Workout Timer or Just'a Tabata?
Gustav Workout Timer ships an update monthly, and Just'a Tabata every 5 days. Most recently, Gustav Workout Timer was updated on October 1, 2026 and Just'a Tabata on September 29, 2026.

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