Last updated: September 1, 2026
This Privacy Policy explains how information is collected, used, stored, shared, and protected when you use the Guitar Studio mobile application (“Guitar Studio”, “App”, “we”, “us”, or “our”).
Guitar Studio is a guitar learning application that allows users to learn and practice guitar chords, track learning progress, discover songs and learning materials, save preferences and favorites, tune a guitar, check the sound of individual chord strings, and access additional learning features.
The information processed by Guitar Studio depends on the features you use and the permissions or choices you make.
We may collect or process the following categories of information:
– Account information, such as your email address and user
account identifier.
– Authentication information necessary to securely access your
account. Passwords are handled through the authentication system
used by the App and are not stored by us in plain text.
– Learning data, such as learned chords, learning progress,
favorites, practice preferences, and related settings.
– Purchase and subscription information, such as product
identifiers, subscription status, purchase status, entitlement
status, and expiration information.
– App usage information, such as app launches, screen views,
feature interactions, taps, and other information about how the
App is used, where analytics services are enabled.
– Technical and diagnostic information, such as crash reports,
App version, operating system information, performance
information, device or app identifiers, and related technical
information.
– Information you voluntarily provide when contacting customer
support.
Guitar Studio may request access to your device microphone when you use the guitar tuner or chord sound checking features. Microphone audio used by these features is analyzed locally on your device in real time. We do not record, store, upload, or share this audio with our servers or third parties.
We do not collect or store your full payment card number, bank account details, or other payment credentials used to complete purchases through the Apple App Store or Google Play.
Creating a Guitar Studio account is optional unless otherwise indicated for a particular feature.
You may use functionality of the App that does not require synchronization or account-based storage without creating an account.
If you choose to create an account, we may process your email address, account identifier, authentication information, and account settings.
Your account may be used to associate learning progress, preferences, favorites, and other supported App data with you so that your information can be preserved or synchronized.
Guitar Studio may store information related to your learning activity, including learned chords, progress, favorites, practice preferences, and related settings.
Some information may be stored locally on your device. If you use an account or synchronization features, relevant data may also be stored on our servers or processed by service providers used to operate the App.
We use this information to provide learning functionality, remember your progress, synchronize supported information, and improve your experience in the App.
Guitar Studio uses your device microphone only when you choose to use features that require audio input, such as the built-in guitar tuner and the per-string chord sound checker.
The microphone signal is analyzed locally on your device in real time to detect pitch and help determine whether a guitar string is tuned correctly or whether an individual string in a chord sounds as expected.
Guitar Studio does not record microphone audio for these features. Microphone audio is not saved by us, uploaded to our servers, or shared with third parties.
Microphone access is optional. If you deny or revoke microphone permission, features that require audio input, including the tuner and chord sound checker, may not function, while other parts of the App may remain available.
Guitar Studio may offer optional Premium features through auto-renewable subscriptions or other in-app purchases.
Purchases are processed by the app store through which you downloaded Guitar Studio, such as the Apple App Store or Google Play.
We do not receive or store your complete payment card information. Payment credentials are processed by the applicable app store or payment provider.
We and our subscription-management service providers may receive limited transaction information, such as product identifiers, purchase status, subscription status, expiration information, transaction identifiers, and entitlement information.
This information is used to verify purchases, restore purchases, determine whether Premium access is active, prevent purchase fraud, and provide purchased features.
Premium features include the functionality described within the App at the time of purchase.
We may use analytics services to understand how Guitar Studio is used and to improve the App.
In addition to our first-party analytics system, we use Google Analytics for Firebase, a service provided by Google, to measure App usage and understand how users interact with Guitar Studio.
Our first-party analytics system may collect a randomly generated installation identifier, session identifiers, App launches, screen views, feature interactions, taps, and other App usage events. These identifiers allow us to understand activity from the same App installation over time but do not contain your name or email address.
Analytics information may also include limited purchase and subscription information, such as product identifiers, subscription or entitlement status, trial status, price and currency information, and relevant purchase or expiration dates. We use this information to provide Premium functionality and analyze subscription performance.
Technical information sent to our servers may include App version and build number, operating system and version, device model or family, platform, locale, language, time zone, and the IP address received by our server. We use this information for analytics, security, fraud and abuse prevention, troubleshooting, and maintaining the reliability of the App. We do not use the server-received IP address to determine your precise location.
Google Analytics for Firebase automatically assigns an App-instance identifier and may collect App lifecycle events, screen views, sessions, purchase and subscription events, device and operating system information, and general location information derived from a masked IP address. Google Analytics does not use Apple's Location Services to obtain this general location information.
We do not provide Google Analytics with your name, email address, or Guitar Studio account identifier. We do not use Google Analytics for advertising, personalized advertising, or cross-app tracking, and we do not link our Google Analytics property to Google Ads for these purposes.
We may use this information to evaluate existing features, identify usability issues, understand general usage patterns, measure audience and feature engagement, and plan improvements to Guitar Studio.
Guitar Studio may use crash reporting, diagnostics, and performance monitoring services.
These services may collect technical information such as crash logs, operating system information, App version, device or App identifiers, launch performance, response times, error information, and other diagnostic information.
We use this information to identify technical problems, fix bugs, improve performance, maintain security, and improve the reliability of the App.
We may use information collected or processed through Guitar Studio to:
– Create, authenticate, and maintain user accounts.
– Save and synchronize learning progress and preferences.
– Provide guitar learning and practice functionality.
– Analyze microphone input locally on your device to provide the
guitar tuner and per-string chord sound checker.
– Provide and manage favorites and other account-based
features.
– Verify purchases and provide Premium features.
– Restore purchases and subscription access.
– Operate, maintain, secure, and improve the App.
– Understand how users interact with App features.
– Diagnose crashes, bugs, and performance problems.
– Prevent fraud, abuse, and unauthorized access.
– Respond to customer support and privacy requests.
– Comply with applicable legal obligations.
Guitar Studio may use third-party service providers to provide functionality necessary for operating, maintaining, analyzing, providing subscriptions, and improving the App.
These services may include:
– Authentication and account management services.
– Cloud database and data storage services.
– Analytics services, including Google Analytics for Firebase.
– Crash reporting and performance monitoring services.
– Push notification services.
– Subscription and purchase management services.
– Apple App Store and Google Play billing and distribution
services.
These providers may process limited information necessary to provide their services. Their handling of information may also be governed by their respective privacy policies and applicable legal requirements.
Information processed by Google Analytics for Firebase is subject to Google's applicable terms and privacy practices. More information is available in the Google Privacy Policy.
We do not sell your personal information directly to advertisers or data brokers.
We may share or allow processing of limited information by service providers when reasonably necessary to operate Guitar Studio, authenticate users, synchronize data, process or verify purchases, provide requested functionality, analyze App performance, maintain security, prevent fraud, or comply with applicable law.
Depending on the services enabled in the App, information may be processed by analytics, subscription-management, cloud infrastructure, authentication, crash-reporting, and other service providers.
We may also disclose information when required to comply with a legal obligation, court order, or lawful request from an authorized public authority.
Guitar Studio may generate and process a random identifier that is specific to an installation of the App. We use it for App functionality, first-party analytics, diagnostics, subscription analysis, fraud and abuse prevention, and security.
Our first-party analytics system does not collect the Apple Identifier for Advertisers (IDFA) or the Android Advertising ID. We do not use the installation identifier to track you across apps or websites owned by other companies, and we do not sell or share it with data brokers for advertising purposes.
Google Analytics for Firebase uses an App-instance identifier for analytics measurement. We do not configure Google Analytics to use your Guitar Studio account identifier or email address as a Google Analytics User-ID, and we do not use its advertising or cross-app tracking features.
We use reasonable technical and organizational measures designed to protect account information, learning data, and other information from unauthorized access, loss, misuse, alteration, or disclosure.
Passwords are not stored by us in plain text.
Payment credentials such as full payment card numbers are processed by the applicable app store or payment provider rather than directly by Guitar Studio.
However, no method of electronic transmission or storage can be guaranteed to be completely secure.
We retain personal information only for as long as reasonably necessary to provide Guitar Studio, maintain user accounts, fulfill the purposes described in this Privacy Policy, or comply with legal, accounting, security, fraud-prevention, and operational requirements.
Information stored only on your device may be removed when you uninstall the App or clear its local data.
Account-related information may remain stored until you delete your account, subject to any information we are legally permitted or required to retain.
Third-party service providers may retain certain technical, analytics, transaction, or diagnostic information according to their own retention policies and applicable law.
You can delete your Guitar Studio account and associated personal data at any time directly within the App.
To delete your account, open Guitar Studio and navigate to:
Profile → Delete Account
Follow the on-screen instructions and confirm that you want to permanently delete your account.
Once account deletion is confirmed, your Guitar Studio account and personal data associated with the account will be deleted or anonymized, including, where applicable:
– Your Guitar Studio user account.
– Your email address associated with the account.
– Saved learning progress associated with the account.
– Favorites and account-based preferences.
– Other personal data associated with your Guitar Studio account.
If you cannot access the App, you can request deletion of your Guitar Studio account and associated personal data by emailing support@dostich.com from the email address associated with your account. Please use “Guitar Studio Account Deletion” as the subject. We may request limited information necessary to verify account ownership before processing the request.
Certain information may be retained where required or permitted by applicable law, including information necessary for legal compliance, accounting, security, fraud prevention, dispute resolution, or enforcement of our agreements.
Information retained for these purposes will be kept only for as long as reasonably necessary or legally required.
Some information processed by third-party service providers, such as transaction, analytics, or diagnostic information, may be retained according to their applicable retention policies and legal obligations.
Important: deleting your Guitar Studio account does not automatically cancel an active Apple App Store or Google Play subscription.
If you have an active subscription, you must cancel it separately through your Apple App Store or Google Play subscription settings.
If you have questions regarding account deletion or your personal data, please contact us at support@dostich.com.
Depending on your country or region, you may have certain rights regarding your personal information.
These rights may include the ability to request access, correction, deletion, restriction, portability, or other information regarding the processing of your personal data.
You may also have the right to withdraw consent where processing is based on consent.
Certain privacy choices may also be available through your device operating system or through consent controls displayed within the App.
To submit a privacy-related request, contact us at support@dostich.com.
Guitar Studio is a general-audience guitar learning application and is not specifically directed to young children.
We do not knowingly collect personal information from children in violation of applicable law.
If you believe that personal information from a child has been provided to us improperly, please contact us so that we can take appropriate action.
Some service providers used to operate Guitar Studio may process information in countries other than the country in which you reside.
Where required by applicable law, appropriate safeguards are used for international processing and transfers of personal information.
We may update this Privacy Policy from time to time to reflect changes to Guitar Studio, analytics services, subscription services, other third-party services, or applicable legal requirements.
When this Privacy Policy is updated, the “Last updated” date at the top of this page will be changed accordingly.
We recommend reviewing this Privacy Policy periodically for changes.
If you have questions, suggestions, or requests regarding this Privacy Policy or the handling of your personal information, please contact us at:
Email: support@dostich.com