PING vs K
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
PING
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PING turns important events, monitors, scripts, and automations into rich notifications on your devices. It supports actionable alerts, links, replies, images, callback actions, and Live Activities so ongoing updates can stay visible on the Lock Screen and Dynamic Island. SEND NOTIFICATIONS - Personal notification endpoint for your devices - Rich push notifications with titles, subtitles, images, and actions, including callbacks and text replies - Urgent alerts break through Focus modes with Time Sensitive notifications LIVE ACTIVITIES - Keep track of long-running processes right from your Lock Screen - Display progress and status updates in your Dynamic Island QUICK & EASY - No login, no dashboard, just one endpoint for all your notifications - Fully documented API with sample payloads PRIVACY PING takes your privacy seriously. Your notifications are saved only on your device, and nowhere else.
K
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Turn your phone screen into a vibrant LED billboard! Concerts, festivals, birthday parties, or surprise events β simply type your message and watch it scroll smoothly with a realistic neon glow effect, just like a real LED signboard. Ditch the lightsticks and paper banners, and deliver a message that stands out more than anyone else's with just the phone in your hand. [ Key Features ] - Neon Glow Text Replicates the feel of a real LED billboard with a brilliantly shining neon effect. It stays sharp and vivid even in dark concert venues. - Various Neon Colors Basic colors like Pink, Cyan, Green, and Yellow are provided for free. You can also create a more diverse atmosphere with premium colors including Purple, Orange, Red, and Blue. - Adjustable Scroll Direction & Speed Freely control the scroll direction (left/right) and speed to customize the billboard to your own style. - Full-Screen Display Mode Fills the screen horizontally to look just like a real electronic sign. The screen won't turn off automatically, ensuring uninterrupted use during events. - Simple Controls Return to the settings screen with a single tap, and change the scroll direction instantly with a double tap. - Auto-Save Settings Your last entered text, color, and speed settings are saved automatically so you can pick up right where you left off. [ Perfect For ] - Sending cheering messages at concerts and festivals - Displaying congratulations at birthday parties and anniversaries - Delivering surprise proposals or event messages - Showing guidance text at performances and venues - Exposing promotional phrases for stores and booths Create your own LED billboard easily with just your phone and no extra equipment. Get started right now!
Screenshots
Verdict
The clearest difference is ads: PING at none against K's shown. PING also leads on update cadence (every 2 days vs every 2 months). K's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PING ships an update every 2 days, K every 2 months. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.
| Parameter | PING | K |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days β better | Every 2 months |
| Ads | No β better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 17.0 | 15.0 β better |
| Further details β not scored | ||
| Size | 8 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Roy Tay | JAEMIN LEE |
In-app purchases
PING
No in-app purchases
K
No in-app purchases









