JSKA vs Troll
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JSKA
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Our mobile app provides convenient access to the JSKA Passport, the official certificate that serves as proof of membership and technical status recognized by the Japan Shotokan Karate Association's headquarters.
Troll
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Elevate Your Golf Game with Our High-Tech, Social Golf App! Discover the ultimate golf companion designed for the modern golfer. Our state-of-the-art app combines real-time distance measurement, collaborative digital scorecards, and eco-friendly features to revolutionize your golfing experience. Plus, join a vibrant social network to connect with friends and fellow golfers. Key Features: - Real-Time Distance Measurement: Plan each shot with precision using our advanced distance measurement technology. - Collaborative Digital Scorecard: Keep track of scores seamlessly. Our digital scorecard allows all players to edit simultaneously, ensuring accuracy and ease. - Extensive Course Database: Access detailed information on over 40,000 golf courses worldwide. - Social Network: Add and play with your friends, share your achievements, and engage with a community of golf enthusiasts. - Eco-Friendly Golfing: Enjoy features designed to make your game more environmentally friendly, helping you reduce your carbon footprint on the course. Whether you're a seasoned golfer or just starting out, our app is designed to help you improve your game, connect with fellow golfers, and play responsibly. Download now and take your golf experience to the next level! Privacy policy: https://troll-e.io/privacy Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: JSKA at none against Troll's 2. JSKA also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, 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. Troll sells 2 in-app purchases, starting at $6.99 per month. JSKA asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 18, 2026 and May 15, 2026 respectively.
| Parameter | JSKA | Troll |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 20 MB | 94 MB |
| Age rating | 4+ | 4+ |
| Developer | MVM INFOTECH COMPANY LIMITED | Innovatroll AS |
In-app purchases
JSKA
No in-app purchases
Troll
- Troll-E Pro$6.991 Month
- Troll-E Pro$59.991 Year








