Decibel Meter ZKPro app for iPhone and iPad

Track environmental noise around you with this easy-to-use decibel meter app. This app will transform your device into a professional grade sound detector with detailed visual analysis.

【 Subscription 】
1. Users can unlock all functions only with a paid subscription.
2.subscription will be deducted from the users iTunes account upon confirmation of purchase, free trial for three days, renewable automatically, renewal fee $39.99/year;
3. users can turn off auto-renewal 24 hours before the end of the current subscription, otherwise the subscription will be automatically renewed;
4. the Apple ID of the automatically renewed subscription will be automatically deducted from the iTunes account 24 hours before the expiration of each billing cycle and the corresponding validity period will be extended;
5. Users manage the subscription service, i.e., they can go to their user accounts to set off automatic subscriptions after purchase.

Terms of Service
https://bx9nsbdd0d9.feishu.cn/docx/O6KudTeYXobEnuxK17zclcwmnae
Privacy Policy
https://bx9nsbdd0d9.feishu.cn/docx/TVS6dGGLIoNxXOxHRg6cHpIInUb