Create your Online SMS account, connect an Android device and import your contacts. We include 100 free credits so you can test a campaign right away.

Install the Online SMS Android application. Messages are delivered through your own carrier plan, which is ideal if you already have unlimited SMS in your subscription.

No. You purchase prepaid credits that never expire. There are no setup costs or ongoing subscription fees.

Add the Online SMS app to your phone's battery exceptions, keep it open during campaigns and ensure the device remains connected to power.

Yes. Set a default SIM for SMS in Android. Online SMS uses the selected SIM and will not prompt you before sending.

Online SMS does not limit your campaigns, but mobile operators may impose monthly thresholds. Connect multiple devices to increase capacity.

Absolutely. Use the built-in chat to receive and respond to customer replies at no additional inbound cost.

Yes. Schedule campaigns from the dashboard and track delivery as soon as they start sending.