这个软件会偷偷扣费
我下载这个软件后，发现实际功能与描述严重不符，马上就卸载了，然后发现这个软件在我卸载第二天扣费174元，通过苹果线上和电话课费两次退费，均被拒绝，并且不发通知不给理由。
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About
Learn to play a musical instrument with interactive lessons, a vast song library, and real-time feedback. This app offers personalized courses and helps you improve your skills with accurate error correction, suitable for all levels from beginner to professional.
✓Interactive instrument lessons
✓Real-time performance feedback
✓Extensive song library
✓Personalized learning paths
✓Built-in tuner and metronome
✓Progress tracking
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What's New in tonestro
7.9
September 24, 2026
Piano is here! You can now learn and play piano in tonestro. We also fixed bugs and improved performance.
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FAQ
Does tonestro have ads?
Yes, tonestro contains advertisements. Users can upgrade to a premium subscription to access all courses and new monthly content without interruptions.
What instruments can I learn with tonestro?
tonestro supports learning a variety of instruments including piano, violin, saxophone, clarinet, flute, trumpet, and trombone.
How does tonestro track my playing?
tonestro automatically recognizes your playing by placing your device near your instrument. It then provides real-time feedback to help you correct mistakes and improve your skills.
What is the pricing for tonestro subscriptions?
All users receive two free lessons. Premium subscriptions unlock all courses and new monthly content. Subscription details and pricing can be found within the app's account settings.
Can I cancel my tonestro subscription?
Yes, you can manage your subscription and turn off auto-renewal in your account settings at least 24 hours before the current subscription period ends. However, you cannot cancel the current subscription period once it has begun.
Is tonestro suitable for absolute beginners?
Yes, tonestro is designed for everyone wanting to learn an instrument, from absolute beginners to professional players. It starts with basic music reading and progresses to more complex techniques.
How often is new content added to tonestro?
Subscription users gain access to new courses and songs added monthly, ensuring a continuous stream of learning material and musical variety.
On which devices can I use tonestro?
tonestro is available on iPhone, iPad, and iPod. Your subscription is tied to your iTunes account and can be used across any compatible iOS device.