RallyLines

RallyLines is your tennis and pickleball coach, scorekeeper and rival — all on your iPhone. AI COURT VISION — FIVE CAMERA COACHES Prop your iPhone up and play. On-device pose tracking rates your form live; nothing is recorded or uploaded. • Serve coach: every serve rated 0–100 for legs, trophy position, extension and finish, with a slow-motion skeleton replay and a "ghost" of your best serve • Groundstroke coach: forehands and backhands scored on preparation, contact point, low-to-high path and finish • Footwork coach: a 60-second drill that counts your split steps and bounces • Warm-up coach: squats, jumping jacks, lunges and arm swings — every rep counted • Shadow Rally: the app calls FOREHAND or BACKHAND, you swing it, the camera times your reaction SMART SCORING — TENNIS AND PICKLEBALL • Tennis: deuce or no-ad, tiebreaks, match tiebreaks, and who's serving — including tiebreak rotation • Pickleball: side-out or rally scoring, games to 11, 15 or 21; the score is called for you ("4–2–1") • Live win probability after every point, break point and match point alerts • Live score on your Lock Screen and in the Dynamic Island • Voice announcer, haptics, undo KNOW YOUR GAME • RallyLines Rating for tennis and pickleball, with your expected win % against each opponent • Serve and return stats: hold %, break points saved and converted • Clutch Index: how you play the big points • AI Weakness Finder ranks what's costing you points and builds a 7-day fix-it plan • AI Game Plan: a pre-match tactical brief from your own data • Shot maps, momentum charts, match replay and a Stats Lab COMPETE • Sign in with Apple or Google to join global and friends rankings • Add friends with a 6-character code • Challenge them to Shadow Rally duels, serve-offs and week races TRAIN SMARTER • Training programs: Serve Overhaul, Consistency Builder, Footwork Reset — and one built for you • Tactics Board with animated tennis and pickleball patterns • Coach in your ear: spoken cues while you practice • Drills, tips, warm-ups, feed timer, serve rhythm trainer, weekly challenges and practice reminders APPLE WATCH AND RACKET SENSOR (OPTIONAL) Wear your Apple Watch on your racket wrist, or add the RallyLines racket sensor, to detect every stroke with speed, spin and 3D swing paths. RALLYLINES PRO Free includes scoring, the AI coaches, your rating and rankings. Pro unlocks every coaching note, the Weakness Finder and Game Plan, Clutch Index and full analytics, replays, programs, unlimited history and more. Monthly or yearly, through the App Store. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Terms of Use (EULA): https://rallylines.app/terms.html Privacy Policy: https://rallylines.app/privacy.html