# Stark Bag vs VO2Max Hiit Workout

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.

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.

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.

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.

## The numbers

| Metric | Stark Bag | VO2Max Hiit Workout |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.8 (50 ratings)](https://appshunter.io/ios/app/stark-bag/id887426211/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/vo2max-hiit-workout/id6475713309/reviews) |
| Number of ratings | **50** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 10 days** |
| Monetization | Paid | **Ad-supported** |
| Size | 57 MB | 104 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Postra AB](https://appshunter.io/developer/1807937957) | [Unscripted Engineering](https://appshunter.io/developer/1635849108) |

## What reviewers say

### Stark Bag

[App page](https://appshunter.io/ios/app/stark-bag/id887426211)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### VO2Max Hiit Workout

[App page](https://appshunter.io/ios/app/vo2max-hiit-workout/id6475713309)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*