Jujitsu vs MUSCL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jujitsu
This app helps users learn and practice the Zen Budokai Jujitsu system. It displays technique charts, lists individual techniques, and offers text-to-speech functionality for learning. Users can also have techniques read at random.
- Jujitsu system chart display
- Technique listing
- Text-to-speech for techniques
- Random technique reading
- Zen Budokai Aiki Jujitsu focus
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Zen Budokai Jujitsu system chart helper. This app loads and displays jujitsu chart information. In the Zen Budokai Aiki Jujitsu system, different jujitsu techniques are organized into collections called charts. A technique typically is written in the form of an "attack" followed by a "defense". This app lists many of the available charts and for any chart selected lists the techniques on that chart. If a technique is selected the user can choose to have a "text-to"speech" synthesizer read the technique. Or a technique can be read at random.
MUSCL
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MUSCL is AI-powered Physique Intelligence. Analyze your physique, identify weak points, and generate a personalized hypertrophy program designed for your body. • AI Physique Analysis • Weak Point Detection • Smart Training Programs • Adaptive Progression • Intelligent Workout Tracking Stop guessing. Start building your physique intelligently. Subscription Terms • Payment will be charged to your Apple ID account at confirmation of purchase • Subscription automatically renews unless canceled at least 24 hours before the end of the current period • Your account will be charged for renewal within 24 hours prior to the end of the current period • You can manage and cancel subscriptions in your App Store account settings Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://mature-asp-ac5.notion.site/MUSCL-Privacy-Policy-33b25b14d842801ea15cc5407aa21318?source=copy_link
Screenshots
Verdict
The clearest difference is in-app purchases: Jujitsu at none against MUSCL's 2. Jujitsu also leads on iOS requirement (13.6 vs 15.1). MUSCL's advantage is update cadence (every 4 days vs every 29 months). 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. MUSCL sells 2 in-app purchases, starting at $19.99 per month. Jujitsu asks for nothing beyond the download.
Jujitsu ships an update every 29 months, MUSCL every 4 days. Both last shipped on October 10, 2026.
| Parameter | Jujitsu | MUSCL |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 29 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.6 — better | 15.1 |
| Further details — not scored | ||
| Size | 2 MB | 49 MB |
| Age rating | 4+ | 17+ |
| Developer | Adam Sorini | IKARUS PTY LTD |
In-app purchases
Jujitsu
No in-app purchases
MUSCL
- MUSCL Monthly7 Days trial$19.991 Month
- MUSCL Annual3 Days trial$99.991 Year









