Stark Kettlebell vs Fortified Training
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stark Kettlebell
This app provides a comprehensive guide to kettlebell training with HD video demonstrations of 51 exercises. Users can create custom workouts, track progress, and utilize built-in timers for various training styles like Tabata and HIIT. It integrates with Apple Health to log workouts and burned calories.
- 51 HD video exercises
- Custom workout creation
- Step-by-step workout guidance
- Tabata, HIIT, and Circuit timers
- Progress tracking and rewards
- Targeted muscle group exercises
- Apple Health integration
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Optimise your results with Stark Kettlebell! - Be inspired by 51 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 Kettlebell is well known for the ability to build strength, endurance and explosiveness. Basic exercises like “Swing”, “Snatch” and “Get Up” activate all of your body to give you a great workout! Exercises are performed by the professional instructor, Andreas Lanker.
Fortified Training
Gain insights into your workouts to understand the reasoning behind your exercises. This app promotes better adherence to fitness routines and reinforces healthy habits beyond training sessions. It offers a comprehensive approach to fitness, focusing on the mental aspect of exercise.
- Workout programs
- Exercise tutorials
- Demonstrations
- On-demand workouts
- Community forum
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Fortified provides training-related insights to people that want to learn how to take care of themselves in the context of a workout. Understanding why you do what you do during your workout increases adherence to exercise and reinforces healthy lifestyle habits when you’re not training. Fortified isn’t just a workout… it’s the thought process behind why you train. -Workout programs -Tutorials -Demonstrations -On-demand workouts -Forum
Screenshots
Verdict
The clearest difference is price: Fortified Training at Free against Stark Kettlebell's $4.99. Fortified Training also leads on rating (5.0 vs 4.7). Stark Kettlebell's advantage is ratings volume (544 vs 3) and update cadence (every 3 months vs every 7 months). On ads, in-app purchases, monetization model 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
Fortified Training is free to download; Stark Kettlebell costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Fortified Training holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Stark Kettlebell has 544 ratings behind it against 3, so its average is the more settled of the two.
Stark Kettlebell ships an update every 3 months, Fortified Training every 7 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | Stark Kettlebell | Fortified Training |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.7 (544 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 84.4% of reviews | — |
| Number of ratings | 544 — better | 3 |
| Update frequency | Every 3 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #79 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 57 MB | 121 MB |
| Age rating | 4+ | 12+ |
| Developer | Postra AB | Sutra Fitness, Inc. |
Customer experience
Stark Kettlebell
Fortified Training
Bugs and requests
Stark Kettlebell
Reported bugs
2 issues- Videos not downloading properly
- App crashing on launch for some users
Requested features
5 requests- More pre-built workout options
- Ability to rearrange custom workouts
- Audio cues for exercises and timing
- Improved workout customization options
- Integration with music/fitness apps
Fortified Training
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Stark Kettlebell
No in-app purchases
Fortified Training
No in-app purchases
Questions
Is Stark Kettlebell free?
Is Fortified Training free?
Which has better reviews, Stark Kettlebell or Fortified Training?
Do Stark Kettlebell or Fortified Training have ads?
Which is updated more often, Stark Kettlebell or Fortified Training?
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