Privacy Policy

Last updated: 5th September 2021

The Prolific Reserver Chrome extension, and the Prolific Reserver website were both developed by Felix Peter and are intended for use as is. Felix Peter, the developer and data controller, will henceforth be referred to as 'We' or 'Us' or ‘Our’ in this document. This Privacy Policy describes how We use and share personal data from Our customers and users of this website or the chrome extension. This Policy also explains your rights in relation to your data.

What data do we collect?

We collect the following data:

How do we collect your data?

How will we use your data?

  • Stripe Customer ID and Stripe transaction information: A paid key is required to use the Prolific Reserver Chrome extension. We keep this information so that we can confirm you have purchased a key and are permitted to use the extension.
  • Your Email address: This will only be used to send you notifications when the Chrome extension has reserved you a place on a study. These notifications are optional, and disabled until you switch them on, and provide your email address.
    If you request a free trial of Prolific Reserver we will also store this email address, to prevent users from requesting multiple free trials.
  • How do we store your data?

    We will store your data in a Google Firebase Realtime Database. The database is located in Belgium (europe-west1).
    Additionally when storing your data, it will go via a Google Firebase Cloud Functions server located in the United States (us-central1).
    (Some of this data may be temporarily retained in logs)
    We will keep your data indefinitely. If Prolific Reserver ceases operations, we will delete your data from our Firebase Database.
    We will also delete your data from our Firebase Database if requested by you.
    In either case we may maintain some of your data in Stripe in order to process refunds or other necessary actions related to your transaction.

    Third party services ee integrate with:


    We use Stripe for payment on our site website. We may also decide to utilise Stripe for analytics or other business services. Stripe may collect identifying information about users and devices that connect to it. To read more about Stripe and review its privacy policy at

    Google Firebase

    We make use of Google Firebase's Cloud Functions and Google Firebase's Realtime Databases in order to store your data. Read more about Google Firebase and review its privacy policy at


    We will never contact you with marketing offers.


    Cookies are text files placed on your computer to collect standard Internet log information and visitor behavior information. When you visit our websites, we may collect information from you automatically through cookies or similar technology

    What are your data protection rights?

    We would like to make sure you are fully aware of all of your data protection rights. Every user is entitled to the following:

    Changes to our privacy policy

    We keep this privacy policy under regular review and will place any updates on this web page.

    How to contact us

    If you have any questions about our privacy policy, the data we hold on you, or you would like to exercise one of your data protection rights, please do not hesitate to contact us. Email us at: