t(a)ck vs Arcvellum

t(a)ck is an iPhone-first RSVP reading app designed for long-form content. Reading on your phone shouldn’t require endless scrolling and constant refocusing. t(a)ck displays text word-by-word using Rapid Serial Visual Presentation (RSVP), helping you read comfortably at faster speeds with less eye movement. How it works • Share any web article from Safari • Open t(a)ck • Start reading instantly Content extraction happens entirely on-device. No accounts. No backend. No tracking. Core Features • Word-by-word RSVP reading • ORP (Optimal Recognition Point) anchor rendering • Adjustable speed from 200–700 WPM • Smart pacing for punctuation and paragraph breaks • 3-2-1 start countdown • Resume from your last position • Clean, distraction-free interface Built for Focus t(a)ck is designed for people who read posts, essays, and long-form articles on their phones and want a smoother, more focused reading experience. No ads. No analytics. No data collection.

Arcvellum is a web library for focused reading and long-term organization. Save web pages, articles, social links, and research material, then return to them in a clean reading view. Arcvellum keeps titles, text, sources, reading state, tags, and collections so scattered links can become a library you can actually use. Highlights: - Save links quickly from browsers and other apps through the iOS share sheet - Parse article text into a comfortable reading view - Organize with collections, tags, and smart lists - Use starred, archive, unread, and recently deleted states to manage your reading flow - Import and export backups - When available, privately sync through iCloud and CloudKit Arcvellum Pro: - Save unlimited pages and articles - Lock in the current price while your subscription remains continuous, even if the price rises later for new customers - Keep building a long-term library with collections, tags, and reading status Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/