Stark Bag vs studio Cocoon~コクーン~
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- HD exercise videos
- Customizable workout plans
- Tabata, HIIT, and Circuit training timers
- Progress tracking and scoring
- Targeted muscle group exercises
- Apple Health integration
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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.
studio Cocoon~コクーン~
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Cocoonの公式アプリをリリースしました! このアプリでは、Cocoonの最新情報の受け取りや便利な機能を使う事ができます。 【アプリで出来ること】 本アプリを利用して以下のことが行えます。 1.最新情報をチェック! Cocoonのサービス内容が確認できます。 また、お店からメッセージが届くので、いつでも最新の情報がご確認いただけます。 2.マイページで情報を確認! Cocoonのご利用状況が確認できます。 3.友達に紹介! CocoonのアプリをSNSを通じてお友達に紹介する事ができます。 4.他にも便利な機能満載!
Screenshots
Verdict
The clearest difference is price: studio Cocoon~コクーン~ at Free against Stark Bag's $4.99. studio Cocoon~コクーン~ also leads on iOS requirement (12.0 vs 15.1). Stark Bag's advantage is update cadence (every 17 months vs every 43 months). On ads, in-app purchases 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
studio Cocoon~コクーン~ 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 ships an update every 17 months, studio Cocoon~コクーン~ every 43 months. The most recent releases landed on November 2, 2026 and October 26, 2026 respectively.
| Parameter | Stark Bag | studio Cocoon~コクーン~ |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.8 (50 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 50 — better | — |
| Update frequency | Every 17 months — better | Every 43 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Postra AB | MICHIE UEHARA |
In-app purchases
Stark Bag
No in-app purchases
studio Cocoon~コクーン~
No in-app purchases
Questions
Is Stark Bag free?
Is studio Cocoon~コクーン~ free?
Do Stark Bag or studio Cocoon~コクーン~ have ads?
Which is updated more often, Stark Bag or studio Cocoon~コクーン~?
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