TennisGear

■ Smarter management for your tennis gear.

TennisGear is a dedicated tool for tennis players to manage the lifecycle of all your equipment — rackets, strings, grips, shoes, balls, and more — in a single app. Get data-driven answers to questions like "Is it time to restring?" or "How many hours have I put on these shoes?"

■ Who is it for?

・Players who want to base restringing decisions on data, not just feel
・Players who rotate between multiple rackets
・Players using string reels who want to track remaining capacity
・Players who string hybrid setups (different mains and crosses)
・Players who want to monitor shoe and insole lifespan
・Anyone who wants to keep a personal log of practices and matches
・Players who want to organize their own tips and opponent notes

■ Key Features

【Tennis Notes】
・A knowledge-first note system, free from chronological order
・Organize with categories (Serve, Strokes, Tactics, Opponents, and more) and tags
・Full-text search across titles, body text, tags, and categories
・Link notes to rackets and play logs to connect knowledge with gear and matches
・Attach up to 5 photos per note, and pin your favorites to the top

【Racket Management】
・Register multiple rackets and track strings/grips individually
・Visualize restringing history with tension trend charts
・Hybrid stringing support (different mains and crosses)
・Record string feel notes and gauge information

【Automatic String Wear Tracking】
・Wear is calculated from play time and days since stringing
・Color-coded indicators show when it's time for a fresh restring
・Automatic deduction from string reel inventory (0.5 per reel for hybrid setups)

【Grip, Shoe & Ball Management】
・Track grip stock and shoe usage hours automatically
・Manage insole replacement history per shoe
・Record ball set usage count and condition

【Play Logs】
・Log activities by type: Tennis, Training, Running, Gym, and more
・Record tournament name, opponents, and scores (multiple matches per log)
・Attach up to 5 photos per log to capture match scenes or gear conditions
・Filter by "Matches Only" or "With Memo" for easy review
・Memo field expands as you write

【Calendar & Events】
・Schedule practices, tournaments, and lessons
・Events are color-coded by type for at-a-glance identification
・Selected day is clearly highlighted
・Create a play log from any event with one tap

【Stats & Analytics】
・Monthly activity displayed in bar charts
・At-a-glance totals: play time, restrings, estimated string cost, match count
・Activity breakdown by type

【Other】
・Japanese and English language support
・Customizable currency symbol and default lifespan values
・All data stored locally on device — no account required, no ads
・JSON export supported

■ Our Promise

TennisGear is built and maintained by a solo developer. There are no ads and no subscriptions. It exists for one reason: to make a useful tool for people who love tennis.

If you have feedback or feature requests, please share them through an App Store review. If you enjoy the app, sharing it with your tennis friends would mean a lot.

Happy playing!