Epoch History Timeline vs OpeningBook

Discover history in a whole new way. History Timeline turns the past into a cinematic journey. Swipe through beautifully crafted timelines, explore rich stories with stunning historical images, and see how events connect across the ages. • Cinematic timelines — glide through centuries with smooth, immersive visuals • Space-Time Pillar — compare civilizations side by side: China, Europe, Egypt, the Middle East, India, and the Americas • Auto Tour — sit back and let history unfold with guided journeys through the eras • Rich event details — key figures, maps, and one-tap access to Wikipedia • Curated themes — from World War II to the US Presidents Whether you're a student, a history buff, or just curious, History Timeline makes exploring the past simple and fun. Download now and start your journey through time.

OpeningBook is a clean, offline reference and trainer for chess openings. BROWSE EVERYTHING • Thousands of named openings and variations, organized by ECO volume (A–E), family, and line — sourced from the open Lichess openings database. • Step through any line move-by-move on a real, playable board. • Read key ideas and classic traps for the major openings. SEARCH & FILTER • Find any opening by name, ECO code, or move sequence. • Filter by line length with a simple move-count slider. TRAIN YOUR REPERTOIRE • Add lines to your training set as White or Black. • Drill them in a play-your-side-vs-app loop. • Spaced repetition brings each line back for review at the right time. 100% offline. No account, no ads, no tracking.