Source Performance vs Dark Matter Jiu Jitsu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Source Performance
This app provides personalized workout programs and tracks your fitness journey. Monitor workouts, nutrition, habits, and measurements with coach support. Achieve your health goals with guided exercises and progress tracking.
- Access and track training plans
- Follow exercise and workout videos
- Track meals and food choices
- Monitor daily habits
- Set and track health goals
- Message your coach in real-time
- Track body measurements and progress photos
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With the Source Performance App, you will have access to workout programs designed specifically to help you reach your fitness and health goals! You can follow & track your workouts, your nutrition, your lifestyle habits, measurements and results–all with the help of your coach. FEATURES: - Access training plans and track workouts - Follow along to exercise and workout videos - Track your meals and make better food choices - Stay on top of your daily habits - Set health and fitness goals and track progress towards your goals - Gain milestone badges for achieving new personal bests and maintaining habit streaks - Message your coach in real-time - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect your Apple Watch to track workouts, steps, habits, and more right from your wrist - Connect to other wearable devices and apps like the Apple Health App, Garmin, Fitbit, MyFitnessPal, and Withings devices to track workouts, sleep, nutrition, and body stats and composition Download the app today!
Dark Matter Jiu Jitsu
This app helps you track your martial arts training progress. Log classes, build streaks, earn rewards, and access technique videos to improve your skills. It's designed for dedicated practitioners to stay motivated and organized.
- Daily training streak tracking
- Class attendance records
- Badges and achievements
- Technique video library
- Goal setting
- Points and rewards system
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Dark Matter Jiu-Jitsu is your personal Jiu-Jitsu training companion. Track your classes, build streaks, earn badges, stay up to date at the academy, and watch technique videos. Features: Daily training streak tracking - stay motivated! Class attendance records - see your progress Badges & achievements - get rewarded Technique video library - improve your skills Goal setting - set targets and achieve them Points & rewards system - unlock achievements Age-verified and COPPA compliant for users 13+. Join Dark Matter Jiu-Jitsu and take your training to the next level!
Screenshots
Verdict
The clearest difference is ratings volume: Source Performance at 9 against Dark Matter Jiu Jitsu's 1. Dark Matter Jiu Jitsu's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Source Performance against 5.0 for Dark Matter Jiu Jitsu. That said, the two scores are not equally well evidenced: Source Performance has 9 ratings behind it against 1, so its average is the more settled of the two.
Source Performance ships an update every 2 months, Dark Matter Jiu Jitsu every 3 weeks. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.
| Parameter | Source Performance | Dark Matter Jiu Jitsu |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (9 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 180 MB | 22 MB |
| Age rating | 4+ | 12+ |
| Developer | Source Performance LLC | Korey Kerber |
In-app purchases
Source Performance
No in-app purchases
Dark Matter Jiu Jitsu
No in-app purchases
Questions
Is Source Performance free?
Is Dark Matter Jiu Jitsu free?
Which has better reviews, Source Performance or Dark Matter Jiu Jitsu?
Do Source Performance or Dark Matter Jiu Jitsu have ads?
Which is updated more often, Source Performance or Dark Matter Jiu Jitsu?
Other comparisons
