LumaShout: LED Sign & Marquee

Make a full-screen sign in seconds—type a message, preview 32 vivid effects, and show it instantly.

Make every screen speak louder.

LumaShout turns your iPhone or iPad into a vivid full-screen text display for concerts, airport pickup, sports cheering, celebrations, storefront promotions, event directions, and temporary signs.

Create a sign in seconds:

1. Choose a scene for what you want to say.
2. Enter your message and preview effects live.
3. Tap Start Display for an immersive full-screen sign.

Highlights:

• Automatic single-line and multi-line layout keeps text clear and visible.
• 12 ready-made scenes and 32 curated display effects.
• Preview and full-screen display use the same renderer.
• Responsive interfaces designed separately for iPhone and iPad.
• Save up to 50 signs locally and reuse them at any time.
• English, Simplified Chinese, German, and Japanese interface languages.
• Light, dark, and system application themes.

LumaShout is local-first. It requires no account and includes no analytics, tracking, ads, or cloud upload. Your signs and preferences stay on your device. Creating, saving, and displaying signs works without an internet connection.

The optional one-time Pro Effects Pack permanently unlocks ten premium display effects across your Apple devices through Universal Purchase. Purchases are processed by the App Store and can be restored from the app. Existing Pro owners receive Cosmic Portal automatically at no additional charge.