FlexTuner Pro Privacy Policy
Last Updated: August 29, 2025
This application "FlexTuner Pro" (hereinafter "the App") treats user privacy as our highest priority. This Privacy Policy explains what information the App collects and how it is used.
1. Information We Collect
1.1 Automatically Collected Information
The App does not automatically collect any personally identifiable information.
1.2 Information Stored on Your Device
The following information is stored only on your device:
Instrument Profiles information
App settings: Various application configuration information
Trial period information: 30-day trial period start date and remaining days
Premium version purchase status: In-app purchase status
1.3 Microphone Access
The App uses your device's microphone solely for:
Real-time frequency detection for instrument tuning
Audio data is processed locally in real-time on your device
No audio is recorded, stored, or transmitted to any external servers
Microphone access is only active when you explicitly use the tuning features
2. Purpose of Information Use
The collected information is used only for the following purposes:
Providing tuning functionality
Maintaining app settings
Managing trial period
Controlling premium features
Restoring purchase status
3. Information Sharing with Third Parties
The App does not share your information with third parties, except for:
Apple Inc.: For processing in-app purchases and verifying purchase status
When disclosure is required by law
4. Data Retention Period
All data is stored only on your device
All data is completely deleted from your device when you delete the app
No data is retained on the developer's side
5. Security
To protect your information, we implement the following measures:
Store all data in secure areas within your device
Design that avoids unnecessary external communications
Utilize Apple's standard security features
6. Children's Privacy
The App does not intentionally collect personal information from children under 13 years of age.
7. Changes to Privacy Policy
This Privacy Policy may be updated as necessary. If there are significant changes, I will notify you through in-app notifications or announcements on our website.
8. Contact Us
If you have any questions or comments regarding this Privacy Policy, please contact me at: