很好用
给古筝调音试了一下，识别挺稳，嘈杂环境也不会乱跳。会员功能先试用再决定也行，免费部分已经能完成基本调音
Response from developer
谢谢您的认可！古筝定弦对音高稳定和抗干扰要求都比较高，能听到在嘈杂环境里也能稳定识别，对我们很有帮助。 免费版能完成日常调音、会员可再试用后决定，正是我们希望的使用方式。 若之后有想支持的民乐调式或功能，欢迎随时在 App 内反馈，我们会继续改进。祝练琴愉快！
Free
In-App Purchases
About
This app provides precise real-time tuning for a wide range of musical instruments. It offers visual and auditory feedback to help musicians achieve perfect pitch, with adjustable reference tones and support for various tuning presets. Additional features include Apple Watch integration and home screen widgets for quick access.
✓Real-time cent-level pitch feedback
✓In-tune alerts (sound, haptic, gauge)
✓Reference tones for target pitches
✓Adjustable A4 reference frequency
✓Support for many instruments
✓Apple Watch standalone tuner
✓Home Screen widget
Show original description
+1
What's New in 天空调音器
1.6
July 16, 2026
• Upgraded settings and instrument selection interface
Subscription plans
Yearly
Unlock pro tuning — piano, 12-tone & more
$4.991 Year
7 Days trial3
In-App Purchases
$14.99
Lifetime Membership
Unlock piano, chromatic tuning & all features.
User reviews
Developer apps
FAQ
What instruments can I tune with Sky Tuner?
Sky Tuner supports a wide array of instruments including guitar, ukulele, bass, violin, viola, cello, piano, and various traditional Chinese instruments like Guzheng, Guqin, Pipa, Erhu, Xiaoruan, Zhongruan, and Daruan. It also offers a chromatic tuner for twelve-tone equal temperament.
How accurate is Sky Tuner?
Sky Tuner offers cent-level precision, meaning you can see pitch deviations down to the cent. It provides in-tune alerts when you are within ±5 cents, ensuring your instrument is perfectly tuned.
Does Sky Tuner have ads?
The free version of Sky Tuner does not contain advertisements. Ads are removed when you upgrade to Sky Tuner Pro.
What are the benefits of Sky Tuner Pro?
Sky Tuner Pro unlocks additional features such as piano tuning, 12-tone equal temperament tuning, and unlimited instrument presets. It also removes ads and offers a one-time purchase option for lifetime access.
Can I use Sky Tuner on my Apple Watch?
Yes, Sky Tuner offers a standalone chromatic tuner directly on your Apple Watch, allowing for convenient tuning on the go without needing your iPhone.
How often is Sky Tuner updated?
Sky Tuner was last updated on June 25, 2026, indicating recent development and support. The current version is 1.3.
What is the age rating for Sky Tuner?
Sky Tuner has an age rating of 4+, making it suitable for users of all ages interested in music and tuning.
Does Sky Tuner offer a free trial for its subscription?
Yes, the Yearly subscription plan for Sky Tuner Pro includes a 7-day free trial, allowing you to experience the premium features before committing to a purchase.