66铃声 is a free iPhone app developed by ABV Mobile Inc. It falls under the category of Business & Productivity. With this app, you can easily extract audio from videos, customize and create unique ringtones, and edit audio files directly on your iPhone.

The app offers a quick and hassle-free way to trim audio files without the need for a computer. It also allows you to extract audio from photo albums and videos with just one click. You can easily adjust the duration of the audio and capture the most exciting moments.

66铃声 is fully compatible with various iPhone models, including iPhone 11, iPhone Xs, iPhone 8, and older models. It provides a seamless experience for users of different devices.

Please note that the app offers VIP membership subscriptions with different plans and prices. Payment will be charged to your iTunes account upon confirmation of purchase. The subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage your subscriptions and turn off auto-renewal in your account settings. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription.

For more information, you can refer to the Terms of Service and Privacy Policy provided by the developer.

Overall, 66铃声 is a convenient app for iPhone users who want to customize their ringtones and work with audio files directly on their devices. It offers a range of features and compatibility with various iPhone models.