Stark Stretch vs Fortified Training
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stark Stretch
Access a library of 83 HD video exercises for a full-body workout. Create personalized routines with timers for Tabata, HIIT, and circuit training. Track progress by saving workouts and burned calories to Apple Health.
- 83 HD exercise videos
- Personalized workout creation
- Full body workouts
- Step-by-step workout guidance
- Tabata, HIIT, Circuit timers
- Muscle group targeting
- Apple Health integration
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Optimise your results with Stark Stretch! - Be inspired by 83 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. - Find exercises targeting specific muscle groups. Integration with Apple Health: Save burned calories and performed workouts. Exercises are performed by, Denice Lundevall
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 Stretch's $1.99. Fortified Training also leads on rating (5.0 vs 4.6). Stark Stretch's advantage is ratings volume (168 vs 3) and update cadence (every 2 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 Stretch costs $1.99 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 4.6. That said, the two scores are not equally well evidenced: Stark Stretch has 168 ratings behind it against 3, so its average is the more settled of the two.
Stark Stretch ships an update every 2 months, Fortified Training every 7 months. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.
| Parameter | Stark Stretch | Fortified Training |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.6 (168 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 70.7% of reviews | — |
| Number of ratings | 168 — better | 3 |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| 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 Stretch
Fortified Training
Bugs and requests
Stark Stretch
Reported bugs
7 issues- Videos won't download
- App crashes or won't work
- Server issues for downloads
- Analysis mode transmits data without consent
- Timer/rest period settings are cumbersome
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- Voice countdown stopped working
- Program creation doesn't display exercises
Requested features
13 requests- Add more detailed instructions (text or voice)
- Improve video clarity and motion
- Automatic handling of left/right side exercises
- Expand exercise library
- Add option to add custom stretches
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- Add voice countdown/timer warnings
- Include breathing guidance
- Add alternative exercises for injuries
- Add yoga edition
- Add soothing music
- More pre-made workout programs
- Highlight muscles being worked
- Add animation showing where to feel the stretch
Fortified Training
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Stark Stretch
No in-app purchases
Fortified Training
No in-app purchases
Questions
Is Stark Stretch free?
Is Fortified Training free?
Which has better reviews, Stark Stretch or Fortified Training?
Do Stark Stretch or Fortified Training have ads?
Which is updated more often, Stark Stretch or Fortified Training?
Other comparisons
