Theoria: Learn Chess Openings

Build your opening repertoire

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Build, visualize, and master your opening repertoire. Theoria's interactive opening explorer is beautifully intuitive. See all of your knowledge in one place and watch it grow! FEATURES • Tree Graph - Map out your entire game plan and every variation. See the moves that make up your repertoire and add new lines with ease. • Training - Knowing theory doesn't matter if you can't recall it in a game. Our custom spaced repetition algorithm adapts to your understanding, so you build true mastery where it matters most. • Statistics - Prepare for what people actually play. See detailed stats about every move to stay ready for anything. • Engine - Cloud analysis & Stockfish on-device for optimizing your moves in any position. • Review - Analyze all of your online games, check for mistakes, and track your performance. Get real insights about the openings you play. YOUR REPERTOIRE, YOUR STYLE We don't tell you what to play. Import your online games and build on the openings you already enjoy, or start fresh with one of our expert-curated repertoires. Every choice is yours. LEVEL UP YOUR GAME Rating plateaued? This is the sign you've been waiting for - it's time to learn openings. Theoria makes it simple. FREE, FOREVER Theoria is proudly ad-free and free to use! Get started today! End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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We've updated the training system to give you better feedback on your learning progression, and fixed some critical bugs.

Version 2.0.0

The developer, Lightsquare Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Contact Info
    • User Content
    • Identifiers

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Lightsquare Inc.
Size
  • 135.2 MB
Category
  • Education
Compatibility
Requires iOS 15.1 or later.
  • iPhone
    Requires iOS 15.1 or later.
  • iPad
    Requires iPadOS 15.1 or later.
  • iPod touch
    Requires iOS 15.1 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
  • Theoria Pro - Yearly $59.99
  • Theoria Pro - Monthly $5.99
  • Theoria Pro - Lifetime $99.99
  • Learn More
Copyright
  • © 2026 Lightsquare Inc.
  • Developer Website
  • Privacy Policy

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