CatchMsg Quick Start: Your 5-Minute Setup Guide

If you've ever missed an important message because your phone was on silent, or because it got buried under dozens of group chat notifications, this CatchMsg setup guide for getting started will solve that problem in under five minutes. CatchMsg (캐치메시지) is a notification filtering app for Android that listens for the keywords and senders you actually care about — and alerts you with sound even when your device is on silent. It works across KakaoTalk, LINE, Telegram, Discord, Instagram, and more. This guide walks you through everything from installation to your first working catch rule.

Step 1: Install CatchMsg and Complete Onboarding

Download CatchMsg from the Google Play Store or visit catchmsg.com for a direct link. Once the app is installed, open it and follow the onboarding flow — this is the fastest path to getting the core features active.

During onboarding, CatchMsg will ask for a few permissions:

• Notification access — this is required. Without it, CatchMsg cannot read incoming notifications from other apps. When prompted, tap "Allow" in the system settings panel that appears.
• Do Not Disturb access — this lets CatchMsg override silent mode so it can sound an alert even when your phone is muted.
• Battery optimization exemption — tap "Allow" so Android does not put CatchMsg to sleep in the background.

The onboarding screens walk you through each permission one at a time with a plain-language explanation of why it's needed. You do not need any technical knowledge — just follow the prompts. By the end of onboarding, CatchMsg is fully armed and ready to catch messages.

One thing to understand before moving on: silent mode does not mean CatchMsg goes quiet. If a message matches your catch rule and your phone is on silent, CatchMsg will still sound its own alert. That is the core behavior. The app is specifically designed for the scenario where your phone is silenced but you still need to hear certain messages.

Step 2: Create Your First Catch Rule

After onboarding, you land on the CatchMsg home screen. Tap "Catch Rules" (캐치룰) to open the rule editor.

A catch rule has three parts:

• Messenger — which app to monitor (KakaoTalk, Telegram, Discord, etc.)
• Room or contact — the specific group chat or person, or "all rooms"
• Keywords or senders — the exact words or names that should trigger an alert

Here is a practical example. If you are in a KakaoTalk group for work and you need to know whenever your name or the word "urgent" appears:

1. Tap "Add Rule"
2. Select KakaoTalk as the messenger
3. Choose your work group from the list (CatchMsg auto-populates rooms it has seen notifications from)
4. Add keywords: your name, "urgent", or any phrase that signals you need to pay attention
5. Tap Save

From this point on, any message in that group containing your keywords will trigger a CatchMsg alert — with sound — regardless of your phone's silent or Do Not Disturb setting.

You can create multiple rules for different apps, rooms, and keyword sets. Each rule is independent, so you can have one rule for family KakaoTalk, another for a Telegram work channel, and another for Discord. Rules stack without interfering with each other.

Step 3: Test the Setup and Adjust

Before you rely on CatchMsg in a real situation, run a quick test to confirm everything is working.

How to test:

• Ask someone to send a message in one of the rooms you configured, using one of your keywords
• Or, if you are testing alone, send a message from another device or account

If CatchMsg is working correctly, you will hear the alert sound even if your phone is on silent. A notification from CatchMsg will also appear, showing a preview of the caught message.

If the alert does not fire, check these common issues:

• Notification access was not granted — go to Android Settings > Apps > CatchMsg > Permissions and confirm Notification Access is on
• Battery optimization is active — go to Settings > Battery > CatchMsg and set it to "Unrestricted" or "Don't optimize"
• The keyword did not match — CatchMsg matches keywords exactly as typed; check capitalization and spacing if you are not getting matches you expect
• The app is not monitoring that messenger — open CatchMsg and confirm the rule shows the correct app

Once the test fires successfully, you are done. The setup takes most users well under five minutes when the permissions are granted without hesitation.

Fine-tuning is easy from here. You can edit or delete rules at any time from the Catch Rules screen, change the alert sound, or add new keywords as your needs change. CatchMsg also keeps a catch log so you can review which messages were caught and when — useful for confirming the app is doing its job even while your phone sits face-down in a meeting.

For anyone who regularly silences their phone but cannot afford to miss specific conversations, CatchMsg and its streamlined onboarding process offer a practical, no-fuss solution that works across all the major messaging apps you already use.