Last updated: 19 September 2026
Welcome to DataMaster Prep. This page describes exactly what the app sends, what it stores, and where — and the terms the app is offered under. It is written to match what the app actually does.
DataMaster Prep is a study app for the CDMP certification exam: multiple-choice questions, explanations, a timed mock exam and progress tracking.
You sign in with an email address and password, or with Google or Apple. Accounts are handled by Firebase Authentication, a Google service. Signing in returns a token which is stored on your device and expires on its own. Your password is never stored on your device, and the app never downloads any other account’s details.
We update this page whenever the app’s behaviour changes. The date at the top always reflects the current version.
DataMaster Prep is a study aid for the CDMP certification exam. The questions are written for practice. They are not past exam papers, and the app is not affiliated with, endorsed by or certified by DAMA International or any certifying body. Passing practice questions here is not a guarantee of passing the exam.
The app is free to install and try. Every feature works without paying: timed quizzes, the mock exam, statistics, the mistakes bank, bookmarks, search and history. What the free version gives you is a sample of the question bank — 2 questions from each of the 14 knowledge areas — which is enough to see how the app works and not enough to prepare with. A single in-app purchase unlocks all 500 questions.
Full access is a one-time purchase. It is not a subscription, nothing renews and nothing is charged again. It is tied to the App Store or Google Play account used to buy it, and can be restored on any device signed in to that same store account with “Restore purchase” on the Full access screen.
Payment is taken by Apple or Google, not by us, and is subject to that store’s terms. Refunds are requested from the store as well: on iOS through reportaproblem.apple.com, on Android through Google Play. We cannot issue or reverse a charge ourselves.
Keep your sign-in details to yourself; you are responsible for what is done with your account. Your answers, scores and settings are stored on your device. Signing in as a different user on the same device clears the previous user’s study data and their purchase from that device — the buyer restores it with “Restore purchase”.
You can delete your account at any time from Settings → Account → Delete account. It is immediate and cannot be undone: the account is removed, and your results, statistics, bookmarks, history and any unfinished quiz are erased from the device. Deleting the account does not cancel or refund your purchase — that belongs to your store account and can be restored on a new account with “Restore purchase”.
The questions and explanations are ours. You may study them; you may not copy, republish, resell or redistribute them, in bulk or otherwise, and you may not attempt to bypass the purchase.
Questions may be added, corrected or removed as the material improves, and these terms may be updated. Continuing to use the app after an update means accepting the updated terms.
Email: [email protected]
Website: swift-time.com