# Theoria: Learn Chess Openings — Train your opening repertoire > Interactive chess opening explorer and training tool with game analysis. (iPhone/iPad app by Lightsquare Inc..) - Source: https://appshunter.io/ios/app/theoria-learn-chess-openings/id6760443515 (this page in markdown: same URL + `.md`) - Developer: [Lightsquare Inc.](https://appshunter.io/developer/1884498276) - Category: Education, Games, Strategy - Price: Free with in-app purchases - Rating: 3.30/5 from 3 App Store ratings - Age rating: 4+ - Requires: iOS 15.1 · 129 MB - Languages: American English - Released: 2026-04-29 - Data updated: 2026-09-01 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/theoria-learn-chess-openings/id6760443515/reviews.md ## What is Theoria? 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/ ## Key features - Interactive opening explorer - Tree graph visualization - Spaced repetition training - Move statistics - Cloud and on-device engine analysis - Online game analysis ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Theoria Pro - Monthly | $5.99 | per month | | Theoria Pro - Yearly | $59.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Theoria Pro - Lifetime | $99.99 | one-time | ## Frequently asked questions about Theoria ### What is Theoria? Theoria is an interactive tool designed to help chess players build, visualize, and master their opening repertoires. It features an intuitive opening explorer, personalized training, and game analysis to elevate your chess strategy. ### How does Theoria's training work? Theoria uses a custom spaced repetition algorithm that adapts to your understanding of chess openings. This ensures you build true mastery of the theory, making it easier to recall and apply during actual games. ### Can I import my own games into Theoria? Yes, you can import your online chess games into Theoria. This allows you to build upon the openings you already enjoy or start fresh with expert-curated repertoires, tailoring the experience to your personal style. ### Does Theoria offer analysis tools? Theoria provides comprehensive analysis tools, including cloud analysis and Stockfish on-device for optimizing moves. You can also analyze all of your online games to identify mistakes and track your performance. ### What devices does Theoria support? Theoria is available for iPhone, iPad, and iPod. It is designed to run on these Apple devices, offering a seamless experience across your iOS ecosystem. ### Is Theoria free to use? Theoria is free to use and proudly ad-free. While the core functionality is free, there are optional subscription plans, Theoria Pro, offering additional features for $5.99/month or $59.99/year, both with a 7-day free trial. ### What is the age rating for Theoria? Theoria has an age rating of 4+, making it suitable for young chess enthusiasts and players of all ages. It focuses on learning and strategic development in a safe environment. ### How often is Theoria updated? Theoria was last updated on July 8, 2026, with version 2.2.3. This indicates a commitment to ongoing development and improvements for its users. ## Version history (last 5 releases) ### 2.3.8 — 2026-08-26 Improved the interface, and fixed a bug that would prevent statistics from loading. ### 2.3.7 — 2026-08-24 We've fixed a rare bug and improved the app interface ### 2.3.6 — 2026-08-22 We've fixed some rare bugs and improved performance. ### 2.3.5 — 2026-08-22 More bug fixes ### 2.3.4 — 2026-08-20 We've greatly improved performance throughout the app and fixed some minor bugs. ## Related topics [chest opening](https://appshunter.io/ios/topics/chest-opening) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*