FlashSign vs Sidekey

【Tagline】 FlashSign turns your iPhone into a scrolling LED banner with screen flash, torch, and music-synced light effects—perfect for concerts, sports, and any live event. 【Key Features】 • Scrolling text: Custom message, adjustable font size and scroll speed; portrait or landscape • Full color control: Text, background, flash, and highlight colors with handy presets • Light effects: Steady, breathing, rhythm flash, gradient, and flowing modes • Dual flash: Screen flash and device torch—use either or both • Music rhythm sync: Microphone detects the beat so lights pulse with the music (processed on device only; no audio uploaded) • Live preview: See your sign before going full screen with one tap 【Perfect For】 • Concerts, festivals, and fan meetups • Sports and esports cheering • School events, parties, and celebrations • Creative signs for stalls, proposals, birthdays, and more 【How to Use】 Enter your message Adjust size, speed, colors, and light effects Tap Start Display and hold up your phone 【Permissions】 • Camera: Required to control the device torch • Microphone: Used for music rhythm detection for rhythm flash mode 【Contact】 Developer: Chengdu Time Cyber Technology Co., Ltd. Email: ganyizhi@timecyber.com.cn Thank you for using FlashSign—shine bright at every event.

Sidekey turns your iPhone into a customizable wireless keyboard and shortcut pad for your own computer. Tap keys on your phone and they type on your Mac or Windows PC over your local Wi‑Fi — no extra hardware, no cables. Design the keyboard you actually want: add keys, build shortcuts (including combos like Cmd/Ctrl, and left/right modifiers), arrange them on a grid, and switch between layers and modes. Keep your most-used shortcuts one tap away. HOW IT WORKS Sidekey works together with a small, free desktop helper you run on the computer you want to control. Put both devices on the same Wi‑Fi, scan a QR code once to pair, and you're connected. Pairing is secured with a token, and your keystrokes travel directly to your own computer — never through us. FEATURES • Custom key designer — make your own keys, shortcuts, and layouts • Shortcuts & combos — Cmd/Ctrl/Alt/Shift, function keys, media keys, and left/right‑specific modifiers • Multiple layers & modes — flip between a full keyboard, a shortcut deck, a trackpad, and more • Trackpad mode — use your phone as a touchpad with left/right buttons • Voice typing — dictate with the system keyboard and send the text to your computer • Quick pairing — scan a QR code; reconnects automatically afterward • Works with Mac and Windows • Private by design — no account, no tracking, nothing sent to the developer REQUIRES THE FREE DESKTOP HELPER Sidekey needs the free Sidekey helper running on your Mac or Windows computer. Download it from the link on our support page. Questions or ideas? We'd love to hear from you.