LED Sign vs Flappy Board Controller

LED Sign turns your iPhone or iPad into a portable LED display — a handheld marquee for concerts, crowd banners, airport pickups, restaurant signs, or any time you need a message that reads from across the room. Type. Pick a color. Go fullscreen. That's it. No accounts. No ads. No uploads. 100% offline. ▸ iPAD-READY BIG SCREEN Native iPad layouts make editing comfortable on a larger display: preview on the left, controls on the right, and fullscreen landscape playback built for signs people can read from across the room. FIT two-line mode splits long messages into balanced lines so text stays huge. ▸ RETRO LED MATRIX (Pro) Your text rendered as real-feeling dot matrix pixels. Pick square or round dots. Tune dot size, spacing, and density with presets from Fine to Arcade. Seamless scrolling, no ghosting. ▸ CONCERT-READY FULLSCREEN Auto landscape lock. Screen brightness pinned to max. Status bar hidden. Your message is the whole screen. ▸ EFFECTS (Pro) Glow halos, Blink strobe, and a Scroll/Fit mode that auto-picks the right behavior based on text length. Every tweak previewed live. ▸ CUSTOM COLORS (Pro) Direct Hex input and the full iOS color picker. Free tier ships with three high-contrast presets (pure white, neon green, neon pink). ▸ DOUBLE-LINE LAYOUT (Pro) Add a static subtitle below a scrolling headline — perfect for "Happy Birthday / Name" or "Arrivals / 22:10 JFK". ▸ SAVED PRESETS Store full configurations (text + color + LED + effects) and load with one tap. 1 slot free, unlimited with Pro. ▸ 100% OFFLINE & PRIVATE No network permission requested. No trackers. No analytics SDK. The app never talks to any server except Apple's StoreKit for purchases. ▸ PRO · LIFETIME (one-time purchase) One payment unlocks every Pro feature forever — no subscription, no renewal. All future Pro features included. PERFECT FOR: • Concert and K-pop crowd banners • Protest and rally signs • Meeting someone at the airport or station • Restaurant and small-shop display signs • Weddings, birthdays, sports games iOS/iPadOS 17 or later. Dark Mode throughout.

Flappy Board Controller is the companion remote for Flappy Board — the app that turns your iPhone, iPad, or Apple TV into a stunning split-flap display. Pair with a Flappy Board display in seconds by scanning the QR code shown on screen, then send messages wirelessly from your pocket. No IP addresses, no tokens to copy — just point your camera and connect. FEATURES • Instant pairing — scan the QR code on any Flappy Board display to connect over your local network • Send messages — type and push text to your board with a tap • Manage multiple boards — save the displays you connect to and switch between them • Stays in sync — your paired boards follow you across devices with iCloud • Secure by default — connects over your board's encrypted local HTTPS API with Bearer token authentication Flappy Board Controller requires a Flappy Board display running on another device. Download Flappy Board to set one up.