Simmy & TechWiz: Support and System

🧳TravellerUser on the move 📱SimToRoam App / WebsiteStore & manage eSIMs 💬Support (Simmy)Chat, install help, triage 🛠️Systems (TechWiz)Provisioning, routing, APIs 🌐Global Mobile NetworksCarrier breakouts Secure: App ↔ Server channel uses timestamp, nonce, body-hash and optional HMAC signature.

Simmy — Support

Your first stop for getting connected quickly.

  • Choose the right eSIM for your destination
  • Install QR codes on iPhone or Android
  • Fix roaming or APN issues
  • Chat support on web, phone, or app

TechWiz — Systems

The engineering behind the SimToRoam platform.

  • eSIM provisioning systems
  • Carrier integrations
  • API and backend reliability
  • Network diagnostics and routing

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