Muscle Sisters vs Askesis
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Muscle Sisters
Access personalized monthly fitness programs designed by expert trainers to help you build muscle, gain strength, or lose weight. Follow along with guided video workouts that last 45-60 minutes, offering a comprehensive training experience from warm-up to cool-down.
- Personalized monthly fitness programs
- Guided video workouts
- Strength training
- Muscle building
- Weight loss programs
- Home or gym training options
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Welcome to the Muscle Sisters App! A monthly subscription that gives you power to train on your own terms and unleash your inner strength. Each program is strategically created to help you achieve your specific goals, whether it's building muscle, gaining strength, or losing weight. Andre and Patty will personally guide you through each workout. These videos typically last around 45-60 minutes, giving you a comprehensive and immersive training experience. From warm-up to cool-down, they'll be there with you, pushing you to reach your full potential. Train in the comfort of your own home or push yourself to the limits at the gym – the choice is yours. Join the Muscle Sisters App today and start a transformative fitness adventure. Unleash your strength, achieve your goals, and become the best version of yourself with the guidance and support of Andre and Patty. Let's sweat, grow, and inspire together! The Muscle Sisters App is here to support you every step of the way. [Privacy Policy](https://www.musclesistersapp.com/privacy-policy) - Read our privacy policy. [Terms of Use](https://www.musclesistersapp.com/terms) - Read our terms of use.
Askesis
This precision interval timer is designed for Tabata and HIIT workouts, offering a distraction-free experience. It features a clean, high-contrast display with configurable sprint, recovery, and round durations. The app prioritizes user privacy with zero data collection and offline execution.
- Precision interval timing
- Configurable sprint and recovery intervals
- High-contrast display
- Focus-first UI
- Zero data collection
- Offline execution
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Askesis I/O: The Machine for Discipline. Most interval timers are cluttered with social features, ads, and unnecessary noise. Askesis I/O is built on a different philosophy: The timer is not the workout; you are. This is a precision tool designed for Tabata and High-Intensity Interval Training (HIIT). It provides exactly what you need to execute your session and nothing you don't. No accounts to create, no data to sync, and absolutely no distractions. Core Architecture: Precision Timing: Clean, high-contrast display with distinct visual states for "Sprint" (Work), "Recover" (Rest), and "Ready" phases. Total Control: Fully configurable Session Setup. Adjust your Sprint duration, Recovery intervals, and Total Rounds to fit your specific protocol. Native Dark Mode: Includes a dedicated, high-contrast Dark Mode for low-light environments or OLED efficiency. Focus-First UI: Large, legible typography ensures you can read the clock from across the room or while in motion. Privacy Protocol: Zero Data Collection: Askesis I/O does not collect, store, or transmit user data. Offline Execution: Works entirely on-device. No internet connection required. Input the work. Askesis measures the rest.
Screenshots
Verdict
The clearest difference is in-app purchases: Askesis at none against Muscle Sisters's 4. Askesis also leads on rating (5.0 vs 4.5). Muscle Sisters's advantage is ratings volume (116 vs 1) and iOS requirement (13.0 vs 26.2). On price, ads 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
Both are free to download. Muscle Sisters sells 4 in-app purchases, starting at $19.99 per month. Askesis asks for nothing beyond the download.
Askesis holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Muscle Sisters has 116 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | Muscle Sisters | Askesis |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (116 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 78.9% of reviews | — |
| Number of ratings | 116 — better | 1 |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 45 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | Muscle Sisters, LLC | John Fite |
Customer experience
Muscle Sisters
Askesis
In-app purchases
Muscle Sisters
- Monthly1 Month trial$19.991 Month
- Annual3 Days trial$159.001 Year
- Monthly$29.99
- Annual$179.99
Askesis
No in-app purchases









