Mustard vs League Source
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mustard
Analyze pitching mechanics with personalized 3D motion analysis and AI-driven drills. Improve your performance with detailed feedback on key metrics and receive tailored training recommendations. Track progress and access advanced features with a premium subscription.
- Personalized 3D motion analysis
- AI-driven drill recommendations
- Key metric review for single pitches
- Skeletal overlay of delivery
- Daily arm care and warm-up program
- Progression tracking
- Coaches & Parents Platform
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TRAIN LIKE THE BEST OF ALL TIME: Get a personalized 3D motion analysis. Get drills and exercises tailored to you, and catapult your performance. PERSONALIZED 3D MOTION ANALYSIS: Based on the teachings of Dr. Tom House, coach to numerous Hall of Famers and inventor of modern pitching mechanics. Videos are automatically edited for you — you can review your key metrics for a single pitch or review summaries of entire bullpens. Learn in-depth about the mechanical elements you do well and the movements you can improve. Take videos of others and tag and invite friends. Automatically view key still frames of your throwing motion: first movement, max leg lift, footstrike, and ball release. View a skeletal overlay of your delivery. Record from front view and from open side view. PERSONALIZED TRAINING RECOMMENDATIONS: Based on your 3D motion analysis, completed through computer vision and the most advanced AI in sports. Get personalized drills to work on the mechanical variables you specifically need to improve. Get the daily arm care and warm-up program. A Mustard Premium Subscription comes with Progression Tracking and our Coaches & Parents Platform. You may purchase an auto-renewing subscription through an In-App Purchase. If you do not maintain a subscription you can only use the free portions of the app. • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew at the duration selected unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase. Privacy policy: https://teammstrd.com/privacy/ Terms of Use: https://teammstrd.com/terms/
League Source
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League Source is a communication tool for youth sports programs to help manage their leagues and enhance the youth sports experience for their parents.
Screenshots
Verdict
The clearest difference is in-app purchases: League Source at none against Mustard's 10. League Source also leads on ads (none vs shown) and iOS requirement (11.0 vs 16.4). On price, update cadence 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. Mustard sells 10 in-app purchases, starting at $7.99 per month. League Source asks for nothing beyond the download.
Mustard ships an update every 5 weeks, League Source every 6 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | Mustard | League Source |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (216 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 216 — better | — |
| Update frequency | Every 5 weeks — better | Every 6 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 180 MB | 132 MB |
| Age rating | 4+ | 4+ |
| Developer | QualiaOS, Inc. | Rec Tech LLC |
Bugs and requests
Mustard
Reported bugs
2 issues- Stats not loading
- Performance degraded
Requested features
3 requests- Provide more value in free version
- Improve user-friendliness
- Clarify family plan pricing
League Source
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mustard
- Monthly Premium Access$7.991 Month
- Sponsorship 1 Athlete Monthly$7.991 Month
- Mustard: Athlete$19.991 Month
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- Mustard: Family$22.991 Month
- 3 Athletes Monthly$23.991 Month
- 5 Athletes Monthly$39.991 Month
- Mustard: Team Lite$49.991 Month
- Mustard: Athlete$99.991 Year
- Mustard: Team$149.991 Month
- Mustard: Family$219.991 Year
League Source
No in-app purchases









