Simbuster: AI 2nd Number

Simbuster brings together global phone numbers, AI call handling, IVR Receptionist, travel data eSIMs, mobile top-ups, prepaid codes and in-app credits in one app.

Get an additional number for work, travel, online selling, international reach, or keeping your personal number private. Then make it smarter with AI-powered call handling and IVR flows you can build right from your phone.

Manage supported communication services in one place, stay reachable when you are busy, and create a more professional caller experience without extra devices or physical SIM cards.

With Simbuster, you can:

• Buy and manage supported phone numbers

• Use AI-based call answering tools

• Build IVR Reception call flows in the app for auto attendant and routing

• Keep business and personal communication separate

• Activate supported travel eSIMs

• Send mobile top-ups where available

• Buy calling, SMS, and voice credits in-app where available

• Manage your communication from one simple app

Simbuster is built for founders, freelancers, small teams, travellers, expats, online sellers, and anyone who wants a smarter number setup.
One app. One number strategy. A smarter way to stay connected.

Answer calls with a professional greeting, route callers the right way, stay reachable when you are busy, and manage everything in one place. Whether you need a local number abroad, mobile data on the move, or a fast mobile top-up, Simbuster keeps you connected without extra phones or physical SIM cards.

Availability of numbers, eSIMs, top-ups, calling, messaging, and other features varies by country, number type, and plan.