Comparison

Stark Bag vs VO2Max Hiit Workout

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

Head to head
About

Stark Bag

This app offers a virtual training experience with HD exercise videos and customizable workout plans. It supports various training styles like Tabata and HIIT, tracks progress, and integrates with Apple Health to log burned calories and completed workouts.

Highlights
  • HD exercise videos
  • Customizable workout plans
  • Tabata, HIIT, and Circuit training timers
  • Progress tracking and scoring
  • Targeted muscle group exercises
  • Apple Health integration
Features
Read full description

Optimize your results with Virtual Trainer Bag! - Be inspired by 27 exercises presented in sharp HD video. - Create your own personal workout. - Get a full body workout with exercises in all ranges of difficulty - While working out, follow the step by step workout-feature which take you through the workout using timers and your chosen specifics. - The timers support different workout types including Tabata, HIIT and Circuit training. - Challenge yourself, get rewards and keep track of your score. - Find exercises targeting specific muscle groups. Integration with Apple Health: Save burned calories and performed workouts. The Bag, is a crescent-shaped exercise equipment used in strength training, plyometric weight training, cardiovascular training, and general physical fitness. Exercises are performed by the professional instructor, Martin Söderblom.

About

VO2Max Hiit Workout

Boost your aerobic capacity with science-backed HIIT protocols. This app offers precise, customizable interval training sessions designed by athletes. Train longer with optimized battery usage.

Highlights
  • Science-backed HIIT protocols
  • Customizable workouts
  • Precise interval timers
  • Low battery drain
  • Multiple training types (Norwegian 4x4, Tabata, Wingate)
Features
Read full description

Science-based HIIT protocols to boost your VO2Max. Built by athletes, precise to the second. Increase your VO2Max with science-backed interval training protocols used by elite athletes. Proven protocols following the latest (or oldest) research papers Norwegian 4x4, Tabata, Wingate, and conventional HIIT workouts designed to maximize aerobic capacity. Built and used by athletes that seek to improve their performance (VO2Max or regular calisthenics). Timers accurate to the second—no 10-second delays that throw off your intervals like most apps. 18% less battery drain than competing apps. Train longer without worrying about your phone dying mid-workout. Fully Customizable (adjust any protocol or any workout) Adjust work/rest intervals, rounds, and intensity to match your fitness level and goals. What you'll find in this app : VO2Max, HIIT, various interval trainings, Norwegian 4x4, Conventional (60/60) Tabata (20/10), Wingate (30/240), aerobic fitness, endurance training, cardio workouts

Screenshots

Stark Bag4 screens
VO2Max Hiit Workout4 screens

Verdict

The call

The clearest difference is price: VO2Max Hiit Workout at Free against Stark Bag's $4.99. VO2Max Hiit Workout also leads on update cadence (every 10 days vs every 17 months). Stark Bag's advantage is rating (4.8 vs 2.0) and ads (none vs shown). On 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

VO2Max Hiit Workout is free to download; Stark Bag costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Stark Bag holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Stark Bag has 50 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Stark Bag ships an update every 17 months, VO2Max Hiit Workout every 10 days. The most recent releases landed on October 29, 2026 and October 22, 2026 respectively.

Scorecard6 real differences · 4 level
Stark Bag versus VO2Max Hiit Workout: the parameters behind the verdict, then further details
ParameterStark BagVO2Max Hiit Workout
Price$4.99Free — better
Rating4.8 (50 ratings) — better2.0 (1 ratings)
Positive reviews80.0% of reviews—
Number of ratings50 — better1
Update frequencyEvery 17 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size57 MB104 MB
Age rating4+12+
DeveloperPostra ABUnscripted Engineering

In-app purchases

None

Stark Bag

No in-app purchases

None

VO2Max Hiit Workout

No in-app purchases

Questions

Is Stark Bag free?
Stark Bag costs $4.99, with no in-app purchases.
Is VO2Max Hiit Workout free?
VO2Max Hiit Workout is free to download, with no in-app purchases.
Which has better reviews, Stark Bag or VO2Max Hiit Workout?
Stark Bag is rated higher. Stark Bag averages 4.8 out of 5 from 50 ratings, while VO2Max Hiit Workout averages 2.0 from 1 ratings.
Do Stark Bag or VO2Max Hiit Workout have ads?
VO2Max Hiit Workout shows ads; Stark Bag does not.
Which is updated more often, Stark Bag or VO2Max Hiit Workout?
Stark Bag ships an update every 17 months, and VO2Max Hiit Workout every 10 days. Most recently, Stark Bag was updated on October 29, 2026 and VO2Max Hiit Workout on October 22, 2026.

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