看空气监测版 vs Classly

看空气监测版-用于跟特定的硬件设备通过WiFi配网后与服务器连接，同步并显示硬件传递过来的数据，主要包括二氧化碳、PM2.5、PM10、温度、湿度、甲醛、TVOC的空气指标数据。

Every prepaid lesson, tracked. Piano. Dance. Swimming. Tennis. Tutoring. Yoga. Fitness. If you pay for classes in advance, you know the question: how many sessions do I have left? Classly keeps it all straight. Add a class with its total lessons and price, then check in after each session — your remaining lessons, payment history and schedule update automatically. CORE FEATURES ■ Track lessons & class credits • Add classes with total lessons, price, teacher and schedule • Remaining lessons for every student and class at a glance ■ One-tap check-in • Check in after class, remaining lessons update instantly • Log makeup classes and absences • Full lesson history, always organized ■ Payments, receipts & refunds • Record payments, top-ups and refunds • Save receipt photos • Know your balance at all times ■ Schedule & reminders • Weekly or custom schedules • Reminders before each class • Sync to your calendar and home screen widgets ■ Statistics • Charts for lessons used, remaining and money spent • Track progress across students and classes ■ Apple Watch • Check in and view today's classes from your wrist ■ iCloud sync • Automatic sync across iPhone and iPad • Data stays on your device and your own iCloud WHO IT'S FOR • Parents tracking kids' music, dance, swim, sports or tutoring lessons • Yoga studios, gyms and personal training clients • Tutors, coaches and instructors managing their students WHY YOU'LL LOVE IT • Set up in under a minute • Works offline • One-time purchase — no subscription, no ads • Your data stays yours If you pay for lessons in advance, stop doing the math in your head. Download Classly and keep every class credit in order.