Effective Date: 12-04-2023

Privacy Policy

"Calculator Lock(Calc Box)" android app under developer name of Donna Infotech, respect and protect all user’s personal privacy. App DO NOT collect, use, share and disclose your personal information. Calculator Lock update this privacy policy from time to time. At the time you agree Calculator Lock Privacy Policy, you are deemed to have agreed to all of the contents of this privacy policy.


We do not collect but use email address of the user from their device to send password reset information to that email address when user request for forget password. We do not store email addresses in our server. Photo Lock App(Calculator Lock) cannot ensure or warrant the security of any personally identifiable information you are transmitting to the websites or posting it on non-public (restricted or private) pages. You understand and acknowledge that the submission of any such information by you via the Internet or posting it on non-public (restricted or private) pages is at your own risk. To prevent unauthorised access, maintain data accuracy, and ensure the correct use of information, Calculator Lock maintains appropriate physical, electronic, and procedural safeguards.


We may use your Non-Personal Information for any of the following purposes:

• To provide our services to you.

• To find out the reason that the error occurred or app crashed and improve the quality of the product.

• For customer service, security, fraud-detection purposes in connection with the provision of our services.

• To better understand how you access and use our services, for the purposes of trying to improve our services and to respond to customer desires and preferences, including language and location customisation, personalised help and instructions, or other responses to your and other customers’ usage of our services.

• To help us develop our new services and improve our existing services.

• To assess the effectiveness of and improve advertising and other marketing and promotional activities on or in connection with our services. We use advertisement identifier and/or device id to serve ads.


We may disclose your Non-personal information to trusted third parties who assist us in cooperation with us or servicing you, so long as those parties agree to keep this information confidential such as app analytics data and crash logs.


Content/Data stored in local devices: Whatever Content/data stored by the user inside the app will be remain in Local storage of device as default. When user uninstall app, all contents/data are deleted/removed by the app from local storage and user will not able to recover content/data even install app again.

Content/Data stored in Cloud: User have option to store content/data on cloud. App use user`s own google drive for backup/sync user`s content/data in a secure way. Users may not loss content/data when cloud sync is on, they can recover content/data even after uninstall & install app from the same or other devices with same gmail id if backup is available on user`s google drive.


We do not provide app to focus on Children. If you are under 16, you may use our app when you are with a parent or guardian.


App is offering Prime features/service available with subscription(with automatic renewal) and In app Product(one time purchase).

If you subscribe this service, the next billing cycle service fee will be charged from your google play store balance when your Prime subscription is about to expire. The subscription billing cycle includes monthly or annual as per user`s choice of subscription. You are responsible for any risks and losses such as the failure of the renewal due to the insufficient balance of the deductible in your google play store account.

Subscription auto-renew before the end of the current period. Unless cancelled 24-hours in advance, and the cancellation take effect at the end of the current period. You may manage your subscriptions and turned off auto-renewal from your Google Play Store account settings.


App contains the third party ads from Admob & Facebook Audience Network. These third-parties collect non-personal data through their own embedded technology. In order to serve ads to you, third-party advertising companies may post or identify unique cookies, anonymous identifiers or similar technologies for non-personally identifiable information. If you would like more information, please click on the following link: AdMob - https://www.google.com/policies/privacy/ Facebook : https://developers.facebook.com/docs/audience-network/optimization/best-practices/an-policy/


“Calculator Lock” reserves the right to update and revise this privacy policy from time to time to reflect changes in legislation or any other developments. Any changes made to our privacy policy will be published on this page, containing the "Effective Date" date.


If you have any questions, complaints, or comments regarding this Privacy Policy or our information collection practices, please contact us: donnadanley247@gmail.com