SmsVox

Oumar Ben Lol

About this app

🎙️ SmsVox — The next generation of messaging, 100% offline.

Send voice messages, text, images, contacts, and your GPS location — all via SMS, without any internet connection.

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📱 WHY SMSVOX?

In a world where everything relies on the internet, SmsVox brings communication back to basics: the GSM network, available everywhere, even without Wi-Fi or mobile data.

Whether you're in a rural area, traveling, or simply without a data plan, SmsVox lets you stay connected with your loved ones.

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🚀 MAIN FEATURES

🎤 Voice Messages via SMS
Record a voice message and send it via SMS! SmsVox compresses your voice using the military-grade Codec2 codec, encodes it in Base85, and sends it in a few standard SMS messages. Your contact receives and listens to it instantly.

💬 Rich Text Messaging
Send classic text messages with a modern and fluid interface, comparable to the best messaging apps.

📷 Images via SMS
Share intelligently compressed images, delivered via SMS. RLE compression optimized for small screens.

📍 Smart Attachments
• Share your real-time GPS location
• Send contact cards from your address book
• Everything is converted to compact text and delivered via SMS

🔒 End-to-End (E2EE) Encryption
Enable AES-256 encryption per conversation. Your messages are protected by a derived key via Argon2id — no one, not even us, can read them.

🗑️ Remote Deletion
Delete a message or an entire conversation on the recipient's device using our Proof of Knowledge system.

📞 Dual SIM
Choose which SIM card to use for each conversation. Ideal for keeping your work and personal life separate.

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🛡️ PRIVACY PROTECTION

✅ No data collection
✅ No remote servers
✅ No ads, no trackers
✅ Everything stays on your device
✅ Auditable encryption
✅ 100% working Offline

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🌍 IDEAL FOR

• Areas without internet coverage
• Travelers without data roaming
• Professionals concerned about confidentiality
• Regions where SMS is the only means of communication
• Anyone who values ​​their privacy Private

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⚡ TECHNOLOGY

• Codec2: Ultra-efficient military-grade audio compression
• Base85: Binary encoding optimized for SMS
• AES-256 + Argon2id: Enterprise-grade encryption
• Room Database: Secure local storage
• Jetpack Compose: Modern and responsive interface
• Native C++ code: Performance Maximum

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Developed by Oumar Ben Lol — AI Engineer
🌐 oumarbenlol.com

SmsVox: Your voice deserves to be heard, even without the internet 🎙️

What’s new

• Nouvelle identité visuelle et nouveau logo SmsVox.
• Compatibilité améliorée avec Android 15 et Android 16.
• Réduction de la consommation mémoire lors du traitement des images.
• Amélioration de la fiabilité des messages multipart et des réactions privées.
• Mise à jour des composants Android et corrections de stabilité.