Locked In: Prep for Data+
DA0-001 Legacy Study Library
About
This app provides an offline historical study library for the retired CompTIA Data+ DA0-001 blueprint. It includes lessons, practice questions, interactive activities, flashcards, and progress tracking tools. A portion is free to explore, with a one-time purchase unlocking the full content.
What's New in Locked In
2.1
August 15, 2026
Squashed bugs. Enjoy!
In-App Purchases
$9.99
Data+ Full Unlock
Unlocks all lessons, PBQs, and mock exams
Developer apps
FAQ
Is Locked In for current Data+ certification exams?
No, Locked In preserves the retired CompTIA Data+ DA0-001 blueprint. It is not current Data+ exam preparation and should not be used as your only resource for an active certification attempt. Current candidates should use CompTIA's latest published objectives and current training materials.
What content does Locked In cover?
Locked In covers all five DA0-001 domains: Concepts and Environments, Data Mining, Data Analysis, Visualization, and Governance, Quality and Controls. It includes short lessons, hundreds of practice questions, interactive activities, flashcards, and a glossary.
How does Locked In track progress?
Locked In offers progress tracking by domain, quiz history, bookmarks, personal notes, study streaks, and a weak-spot review feature to help users focus on areas needing improvement.
Does Locked In require an internet connection?
No, Locked In is designed to work offline. It stores all study progress directly on your device, ensuring privacy and accessibility without an internet connection.
What is the pricing model for Locked In?
A selection of lessons is available for free to explore. A single, optional one-time purchase unlocks the remaining lessons and study tools. There is no subscription required.
Does Locked In have ads?
No, Locked In is ad-free. The app is private by design and contains no third-party analytics, advertising, or tracking.
What devices is Locked In compatible with?
Locked In is available for iPhone and iPad devices. It has an age rating of 4+.
How often is Locked In updated?
The latest version of Locked In is 2.0, and it was last updated on August 3, 2026. This indicates a recent update, suggesting ongoing support for the application.