OptiKit vs Ghost Reader

Welcome to OptiKit, the ultimate multifunctional app for (beginning) opticians and optometrists. OptiKit is designed as a Swiss army knife for optics, with tools and features that make your daily tasks easier and help you expand your knowledge. With an intuitive interface and interactive features, OptiKit offers everything you need to transpose prescriptions, calculate refraction values, and visually display lenses and depth of field. Perfect for both beginners and experienced professionals. Features • Prescription Transposition: Learn step by step how to transpose a prescription, complete with explanations and exercises. • Interactive Exercises: Test your knowledge with unlimited exercises and receive instant feedback. • Lens Visualization: Display prescription values in a clear graph, including cylinder axes and powers. • Depth of Field Visualization: Instantly see the range of clear vision based on addition and accommodative ability. • Reading Power: Calculate the precise reading lens strength based on the prescription. OptiKit is completely free, with no hidden costs and no tracking. Enjoy all the app’s features, supported by a few ads, so you don’t have to pay anything. OptiKit is constantly being improved to meet the needs of its users. We welcome your ideas and suggestions! Have a new feature in mind or improvements you’d like to see? Let us know through the app, and help us make OptiKit even better. Download OptiKit today and discover how simple and effective optics can be!

Ghost Reader is your personal document reader for Apple Watch. Transfer your own PDF and Word files from iPhone to Watch in seconds and read them anywhere with no internet connection. The app is built for students, researchers, and professionals who want fast access to their own notes, lectures, manuals, and formulas right on the wrist. KEY FEATURES: - FORMAT SUPPORT: Import PDF or Word (docx). The built-in converter re-flows text for a perfect fit on the watch screen. - SMART JUMP-TO-NUMBER: Enter a number and the app instantly jumps to the matching section based on your chosen keyword. - VECTOR FORMULAS: Mathematical and physics formulas render with perfect clarity, no blurry pixels (MathJax/LaTeX support). - FULL READING CUSTOMIZATION: Change font size (9-24pt), font design (default, rounded, monospaced, serif), spacing, and themes (white, matrix green, retro amber, soft gray). - DARK & LIGHT MODES: Read comfortably in any lighting; invert image colors when needed. - 100% OFFLINE: Once synced, documents are stored on your watch and accessible without a network. - PRIVATE BY DESIGN: No servers, accounts, trackers, or analytics. Your files stay on your devices. Note: For fast synchronization, keep your Apple Watch near your iPhone while transferring files. ALSO: • Share → GhostReader: send PDF, Word and text straight from Files, Safari or Mail • Paste text from the clipboard and read it on your watch in seconds • Continue where you left off: the watch remembers your screen in every document • iCloud sync: your library appears on all your devices (optional, private to your Apple Account) • Siri and Shortcuts: “Continue reading in GhostReader”, open a document by name, send everything to the watch • Discreet clock: switch the document to a plain clock and back with Double Tap or a long press • Support for .txt and .md files