Comparison

Stark Bodyweight vs S2

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

Head to head
About

Stark Bodyweight

Access a library of 102 HD video bodyweight exercises and pre-made workout plans. Create custom routines, track progress with timers for Tabata, HIIT, and Circuit training, and integrate with Apple Health to log calories burned and workouts completed.

Highlights
  • 102 HD video bodyweight exercises
  • Ready-to-use workout plans
  • Create custom workout routines
  • Workout timers (Tabata, HIIT, Circuit)
  • Track scores and rewards
  • Targeted muscle group exercises
  • Apple Health integration
Features
Read full description

Optimise your results with Stark Bodyweight! - Be inspired by 102 bodyweight exercises presented in sharp HD video. - Ready to use workout plans. Just tap start and you are on your way with your own goal oriented workout routine. - 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. Exercises are performed by the professional instructors Seth Ronland, Benjamin Sällström and Jenny Ahlin.

About

S2

This app helps you track and visualize your gym workout progress, encouraging progressive overload for weight loss or muscle gain. It offers a fast, intuitive interface with over 1000 exercises and a unique muscle fatigue heat map. No account is needed, and it integrates with HealthKit.

Highlights
  • Track and visualize workout progress
  • Muscle fatigue heat map
  • Create unlimited workout routines
  • Encourages progressive overload
  • 1000+ exercises
  • Workout history review
  • HealthKit integration
Features
Read full description

S2 (Superior Self) is your ultimate workout companion, allowing you to track and visualize your workout progress. Whether you want to lose weight or gain muscle mass, S2 is an excellent tool to help you with progressive overload and beat the yesterday you. - Premium, beautiful workout app - No account registration is required - Fast and intuitive. No load times - View your muscle fatigue on a body heat map - Create unlimited workout routines - Encourages progressive overload - 1000+ exercises - Improved insights over time How does it work? Start by creating your workout routines in S2. Your first workout for any given routine will act as a baseline for the next workout, encouraging you to do more work by moving more mass. The technical term for this is called progressive overload, and it's the core principle behind any successful strength training. Between workouts (or during an ongoing workout) you can review your past performance by easily accessing your workout history. S2 integrates with HealthKit to register your workouts. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Stark Bodyweight4 screens
S24 screens

Verdict

The call

The clearest difference is review sentiment: Stark Bodyweight at 91% against S2's 41%. Stark Bodyweight also leads on rating (4.7 vs 4.1) and ratings volume (928 vs 129). S2's advantage is price (Free vs $4.99) and update cadence (fortnightly vs every 3 months). On ads, in-app purchases, monetization model 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

S2 is free to download; Stark Bodyweight costs $4.99 up front. Stark Bodyweight sells 9 one-off in-app purchases and S2 sells 2 in-app purchases, starting at $22.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Stark Bodyweight holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: Stark Bodyweight has 928 ratings behind it against 129, so its average is the more settled of the two. Written reviews point the same way: 91% of Stark Bodyweight's written reviews are positive against 41% of S2's.

UpkeepUpdate frequency

Stark Bodyweight ships an update every 3 months, S2 fortnightly. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

Scorecard6 real differences · 4 level
Stark Bodyweight versus S2: the parameters behind the verdict, then further details
ParameterStark BodyweightS2
Price$4.99Free — better
Rating4.7 (928 ratings) — better4.1 (129 ratings)
Positive reviews91.1% of reviews — better41.3% of reviews
Number of ratings928 — better129
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.0
Further details — not scored
Size57 MB9 MB
Age rating4+12+
DeveloperPostra ABFormbound AB

Customer experience

Stark Bodyweight

All ratings929 ratings
Positive93.4%
Neutral3.8%
Negative2.8%
Written reviews337 reviews
Positive91.1%
Neutral4.2%
Negative4.7%

S2

All ratings126 ratings
Positive73.8%
Neutral11.9%
Negative14.3%
Written reviews75 reviews
Positive41.3%
Neutral22.7%
Negative36.0%

Bugs and requests

Stark Bodyweight

Reported bugs

2 issues
  • Inability to access purchased content
  • Workout timer and tracking issues

Requested features

4 requests
  • Add more free workout options
  • Integrate with fitness tracking apps
  • Provide audio cues for exercises
  • Improve customization options

S2

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Stark Bodyweight

One-time9
  • Package of extra videos & workouts$1.99
  • 7minute (Workout Plan)$1.99
  • Package of extra videos & workouts2 variants$3.99
Show 6 more
  • Calorie Burner (Workout Plan)$4.99
  • Power Core (Workout Plan)$4.99
  • Strong & Fit (Workout Plan)$4.99
  • 7minute (Workout Plan)$4.99
  • Power Core (Workout Plan)$9.99
  • Calorie Burner (Workout Plan)$9.99
2 purchases

S2

Subscriptions1
  • S2 Yearly$22.991 Year
One-time1
  • Strongly Pro$4.99

Questions

Is Stark Bodyweight free?
Stark Bodyweight costs $4.99, and also offers in-app purchases.
Is S2 free?
S2 is free to download, with in-app purchases available.
Which has better reviews, Stark Bodyweight or S2?
Stark Bodyweight is rated higher. Stark Bodyweight averages 4.7 out of 5 from 928 ratings, while S2 averages 4.1 from 129 ratings.
Do Stark Bodyweight or S2 have ads?
Neither Stark Bodyweight nor S2 shows ads.
Which is updated more often, Stark Bodyweight or S2?
Stark Bodyweight ships an update every 3 months, and S2 fortnightly. Most recently, Stark Bodyweight was updated on November 1, 2026 and S2 on October 26, 2026.

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