Group SMS User Guide
From app installation to sending group messages from PC, step by step.
Install the App
Group SMS works by connecting an Android app with a PC website. First, install the app on your smartphone.
Installation Steps
- Go to the Download page on PC. Download App
- Login with your phone number.
- Register your tester email. (Currently in beta)
- Download the app from Play Store.
- Login with the same phone number on the app.
Note: Tester registration is required during beta. Direct download will be available after official release.
Login from PC
After installing the app, login to the PC website to send group messages.
Login Steps
- Login page.
- Enter the phone number registered in the app.
- Enter the verification code received via SMS.
- Enter your encryption key. (Available in app settings)
What is an encryption key? A password for securely encrypting messages. You can find it in app settings, and only you should know it.
Send Group Messages
After logging in, you can send group messages from the Send SMS page.
Adding Recipients
- Direct entry: Enter number and click add
- Name search: Search contacts by name
- Group selection: Select entire pre-made group
- Excel upload: Bulk add via Excel/CSV file
Sending Process
- Add recipients. (Up to 400)
- Write your message.
- Click "Send" button.
- App automatically sends the messages.
Free sending: Messages are sent using your phone plan at no additional cost. Completely free with unlimited plans.
Bulk Send with Excel
Upload Excel or CSV files to add many recipients at once.
File Format
- Supported: .xlsx, .xls, .csv
- Phone numbers should be in column A.
- Format: 01012345678 or 010-1234-5678
- Header rows are automatically skipped.
Upload Method
- Click "Excel/CSV file" button on send page
- Select file or drag and drop
- Phone numbers are automatically extracted and added.
View Message History
Messages View all sent and received messages on the page.
Key Features
- Conversation view: Messages organized by contact.
- Real-time sync: App and PC sync in real-time.
- Reply from PC: Send replies directly from PC.
- Encrypted storage: All messages stored securely encrypted.
Frequently Asked Questions
Q. Is it really free?
Yes, completely free. No separate SMS fees. However, charges may apply based on your phone plan. Unlimited plans mean no additional costs.
Q. How many recipients can I send to at once?
Up to 400 recipients at once. For more, send in multiple batches.
Q. Is iPhone supported?
Currently Android only. iOS system limitations prevent SMS sending functionality.
Q. Can others see my messages?
No, all messages are encrypted. Without your encryption key, no one can read the contents.
Q. Will messages send if the app is closed?
The app must be running in the background. Keep the app open until sending is complete.
Get Started Now
Install the app and send group messages from your PC.