Privacy Policy for: Sync Contacts


Google O-Auth

Google sign-in will authenticate your identity and provide you the option to share certain personal information with us such as your email address. The information you provide is held in strict confidence.

We collect this information to generate your user license.


Furthermore you need to grant following access:

  • Allow this application to run when you are not present

Download / Upload your contacts daily at 3am, in case you enabled this option


  • View and manage spreadsheets that this application has been installed in

  • See, edit, create, and delete your spreadsheets in Google Drive

Both scopes are needed to create and update your set-up the <SyncContacts> tab


  • Display and run third-party web content in prompts and sidebars inside Google applications

create the Addon Sidebar in order to easily access Sync Contacts functions


  • See, edit, download, and permanently delete your Contacts

Download contacts to sheets. Upload contact information from sheet to Contacts

FYI: Contacts will not be deleted by Sync Contacts - only updated



( we collect the minimum amount of information that is necessary to operate the add-on)

Use of Information

Sync Contacts uses the minimal collected data for further purposes:

  • To provide and maintain the Service

  • To notify you about changes to our Service

  • To provide customer care and support

  • To generate your lisence key

  • To address the billing for the lisence key generation

  • To provide analysis or valuable information so that we can improve the Service

  • To monitor the usage of the Service

  • To detect, prevent and address technical issues

Transfer Of Data

Your information, including Personal Data, may be transferred to — and maintained on — computers located outside of your state, province, country or other governmental jurisdiction where the data protection laws may differ than those from your jurisdiction.

Your consent to this Privacy Policy followed by your submission of such information represents your agreement to that transfer.

Changes to the "Privacy Policy"

MaintainApplication may make changes to the Privacy Policy from time to time.

You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page. This privacy policy was last updated on 28th January 2021.

Questions or Suggestions

If you have any questions about our Privacy Policy, use, or disclosure of your personal information, please contact us using maintain.application@gmail.com

By using Sync Contacts, you agree to the collection and use of information in accordance with this policy.

Disclosure for all Add-ons created by Maintain Application

MaintainApp's, Form Sync's, MAX's and Sync Contacts's use and transfer to any other app of information received from Google APIs will adhere to Google API Services User Data Policy, including the Limited Use requirements.

Legal domicile: Switzerland