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When you have no signal, your message doesn't have to be lost. ESMS holds your SMS and sends it automatically the moment your phone reconnects to the mobile network. No servers, no internet required — just reliable text delivery when coverage comes back. Built for weak-signal situations Mountains, forests, remote roads, basements, travel, or areas with patchy coverage — anywhere a normal SMS would simply fail to send. Instead of getting a "not delivered" error and losing your message, ESMS keeps it queued and keeps trying in the background until it goes through. How it works Write your message, choose a contact, and send. If there's no signal, ESMS places the message in a queue and waits. As soon as the network returns — even for a few seconds — the message is sent automatically. You can close the app; it keeps working in the background and resumes after a restart. Key features Automatic sending — your SMS goes out the moment signal returns SOS mode — retries more aggressively and never gives up Location attachment — optionally include your last known position, captured at the time of writing, as a map link SIM selection — choose which SIM sends (Auto / SIM 1 / SIM 2), essential on dual-SIM phones where one card has no coverage Works offline — no internet, no account, no server; everything stays on your device Background operation — keeps running and resumes automatically after a reboot Multi-language — automatically follows your phone's language (English, Polish, Swedish) For families and people on the move ESMS is useful for hikers, drivers, field workers, travelers, and anyone spending time in low-coverage areas. Parents and caregivers can set it up so a family member is able to send a simple "I'm okay" or a location message the moment a signal appears, even if the phone was out of range when the message was written. Privacy first ESMS does not use any server. It does not upload your messages, contacts, or location anywhere. Everything happens locally on your device. Your data never leaves your phone. Important — please read ESMS is a helper tool, not a replacement for official emergency services. It cannot guarantee message delivery and does not connect you to emergency responders. In a real emergency, always try to contact your local emergency number (such as 112 or 911) first. ESMS is designed to improve your chances of getting a message through in weak-signal conditions, not to serve as a primary emergency system. Free for personal use ESMS is completely free for individuals. If you find it useful, optional support is available inside the app. Business, commercial, and institutional use requires a license — see the app for details.
