Yes, completely free. App download, service usage, and message sending have no separate costs. Messages use your phone plan, so unlimited plans mean no additional costs.
No per-message charges. Unlike traditional SMS services, Group SMS sends directly from your phone, so there are no additional sending costs.
Write your message and select recipients on the PC website, and your connected smartphone app automatically sends the messages. Real-time sync between smartphone and PC for convenience.
Currently Android only. iPhone's iOS security policies prevent apps from sending SMS directly. We're exploring alternative support methods.
No limit. However, large sends may take time depending on phone performance and carrier policies. Hundreds of recipients work without issues.
Yes, upload xlsx, xls, or csv files and phone numbers are automatically extracted. Use your existing customer lists or member rosters directly.
All message content is encrypted with your personal key. Even server administrators cannot read the content, and decryption is impossible without the key.
No, messages are sent from your phone number as-is. No separate sender ID registration needed, and recipients receive messages from your number.
Yes, organize contacts into groups. Create unlimited groups like family, work, customers, and send to entire groups at once.
Yes, view both sent messages and received replies on PC. Real-time sync between app and PC shows all conversations on both devices.
Sent as regular SMS, not classified as spam like advertising messages. However, sending promotional messages to random recipients may violate communication laws.
Yes, deleting the app permanently deletes all stored data. Message history, contacts, encryption keys - all information is lost and cannot be recovered.
Have more questions?
If you couldn't find your answer above, check the user guide or contact us.