Q vs KLed
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Q
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Q-LED: A convenient way of creating content for scrolling-text display via BLE transfer. Users may key-in text for customized scrolling-text display, combine up to 3 different layers, change the matrix display size up to 1024 x 256 resolution, vary the font size and move the content freely on the input area. It’s the companion App for sending content to NX1-based scrolling-text display, where local background LED pattern is layered with the content sent by Q-LED for a wonderful & colorful scrolling effect.
KLed
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Turn your smartphone screen into an LED signboard. KLed is an app that instantly transforms your entered text into a full-screen, scrolling LED display. Create eye-catching messages anywhere—events, cafes, parties, studios, solo protests, or cheering at a stadium. [Key Features] - Real-time Text Scrolling: Enter any text and watch it scroll smoothly across the screen. Long sentences repeat seamlessly without interruption. - Dot Matrix Mode: A retro mode that renders text in a dot pattern, just like a real electronic signboard. Perfect for when you need that vintage vibe. - Glow Mode: Creates a powerful impression with a luminous, neon-like glowing effect. Especially effective in dark spaces. - 8 Color Presets: Instantly apply color combinations that match your vibe, including Cyan, Red, Yellow, Green, Magenta, White on Blue, Gold on Navy, and Orange. - Freely Customize Text & Background Colors: Use the color picker to choose your exact colors. Millions of combinations are possible. - Speed Control: Finely adjust the speed from 20px/s to 400px/s to fit any situation. - Font Size Control: Adjust font sizes from 40 to 160 to ensure your message is crystal clear even from a distance. - Play / Pause: Instantly pause or resume playback with a single long-press. - Screen Always On: The screen won’t turn off while in use, so you don't have to worry during long displays. - Full-Screen Immersive Mode: Utilizes the entire screen as a signboard, completely hiding the status bar. [Recommended For] - Anyone wanting to display today's menu or events at cafes, restaurants, or shops. - Anyone looking to display congratulatory messages at events, parties, or wedding halls. - Anyone wanting to use it as a background for concert venues, studios, or broadcasts. - Anyone looking to deliver a clear message at rallies, cheering events, or solo protests. - Anyone in need of a retro-vibe prop. - Anyone looking for a prop for YouTube, TikTok, or Reels video shoots. [How to Use] 1. Launch the app and tap the screen to open the settings window. 2. Enter your text and tap the checkmark button. 3. Adjust the color, speed, and size just the way you want. 4. Close the settings window, and the LED signboard will start immediately. 5. Long-press the screen to Play / Pause. Start right now with KLed—the simple yet powerful LED signboard.
Screenshots
Verdict
The clearest difference is ads: Q at none against KLed's shown. KLed's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 14, 2026 and September 4, 2026 respectively.
| Parameter | Q | KLed |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 24 MB |
| Age rating | 17+ | 4+ |
| Developer | Anson Yeh | JAEMIN LEE |
In-app purchases
Q
No in-app purchases
KLed
No in-app purchases





