String GOAT - for tennis

New users get 7 days of Premium free. AI string recommendations, tension analysis, and unlimited rackets — no credit card. Track, rate, and optimize every string.

String GOAT is the all-in-one tennis string tracker designed for players who want to get the most out of every restring. Log your racket and string setup, rate string performance across 6 categories with radar charts, analyze your tension history, and get AI-powered string recommendations — all in one app.

KEY FEATURES

■ String & Racket Management • Log detailed racket specs: brand, model, head size, weight, grip size, stiffness (RA) • Record string setup: brand, model, type, shape, tension, diameter • Support for hybrid stringing (separate mains & crosses) • Track up to unlimited rackets with Pro

■ Performance Feedback • Rate 6 key areas: Power, Spin, Control, Comfort, Feel, Durability • Visualize ratings with interactive radar charts • Add detailed comments for each category • Share feedback as images on social media

■ Statistics & Charts • Tension history graph (mains vs. crosses over time) • String type distribution chart • Filter by racket for focused analysis

■ AI String Lab • Get AI-powered string recommendations based on your recorded data and feedback • Tension advisor tailored to your stringing history • AI Chat for personalized stringing advice

■ Home Screen Widget • Check your current string status at a glance • See days since last restring and average rating • Quick access to add new records

■ Cloud Sync & Backup • Sync data across multiple devices • Cloud backup and restore • Export your records to Excel

■ 13 Languages Supported English, Korean, Japanese, Chinese (Traditional & Simplified), German, Spanish, French, Italian, Portuguese, Turkish, Hindi, Indonesian

SUBSCRIPTION PLANS

• Free: 1 racket, unlimited string records, 10 AI recommendations/month • Pro: Unlimited rackets, cloud sync, backup/restore, Excel export, 500 AI recommendations/month • Premium: Everything in Pro + 3,000 AI recommendations/month

Subscriptions are billed monthly or yearly. Payment is charged to your iTunes account. Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period.