NOW WITH ESIM + AI RECEPTIONIST
Second Phone Number with AI Receptionist
Get local, mobile, toll-free and national numbers. Route calls to your app, voicemail, receptionist or AI assistant - all from your phone.
Perfect for travel, privacy, and calling.
Phone Numbers
Mobile, Local, National & Toll-Free Numbers
Receptionist
Auto-answer, route and manage calls 24/7
eSIMs
Instant travel data plans. No roaming shock
AI Assistant
Answer calls and get instant transcripts
Your New Number. Ready in 60 Seconds
Download Simbuster, choose a number, then send calls to your app, Receptionist, a team-mate, another device, call forwarding, or AI Assistant.
Download the app
Get Simbuster on iPhone or Android. Start with a second number, eSIM, AI assistant, mobile top-up, or calling credit
Choose your number
Pick local, mobile, toll-free, or a starter magic number from around the world. Use it for business, travel, privacy, or OTP
Route your calls your way
Answer in the app, forward calls, use voicemail, or let Receptionist and AI handle everything.
SimBuster is a mobile-first phone system for people and businesses who need more than one number. Get a second phone number, set up an AI receptionist, route calls, use voicemail, buy travel eSIM data, send mobile top-ups and manage everything inside one app.
Everything you
need.
Nothing you don't
A mobile-first app for phone numbers, IVR receptionist, AI calls, eSIMs, topups, calltones and plans
AI Call Assistant
with Transcripts
Travel eSIM Data
Plans for Roaming
AI Receptionist &
IVR auto-attendant
Phone & Mobile
Numbers
Character Avatar
Voices
CallTones Music
clips for IVR calls
Calling Plans &
Bundled minutes
Mobile Top-Up
to Prepaid Recharge
Your calls, answered
automatically
Set up a smart IVR in minutes. Choose your voice iavatar, Greet callers, route calls, and handle your personal or business calls 24/7.
Let your AI assistant handle
your calls
Your AI assistant can answer calls, take messages and give you instant call transcripts, so you stay in control even when you're busy.
Stay connected anywhere
globally
Activate travel eSIM data in seconds. Stay online abroad without changing your physical SIM.
Send Mobile Credit in
Seconds
Refill prepaid mobile phones worldwide. Fast, simple and useful for family, friends and international mobile recharge.
Share your number, not
your identity
Use a second phone number for business, travel, privacy or online accounts. Choose local, mobile, national or toll-free numbers and route calls anywhere.
Global
connectivity
, Local-Friendly Pricing
Enjoy competitive rates for calls and SMS across both your virtual and physical lines, all managed within a single, high-performance interface
More Control.
Less Hassle
Manage numbers, calls, eSIMs, top-ups, call credit and your receptionist from one app
Add or Remove Numbers Anytime
Add, pause, renew or replace numbers in seconds. Stay in control of every line.
Edit Your Receptionist Anytime
Change greetings, menu options, routing and call settings whenever you need.
Route Calls Your Way
Send calls to your app, another number, voicemail, AI assistant or receptionist menu.
Keep Numbers Separate
Keep separate numbers for business, travel, marketplaces, dating, privacy or online accounts.
Everything in One App
Manage numbers, Receptionist, AI assistant, eSIMs, top-ups, call credit, SMS and calling plans in one place.
Change CallTones Instantly
Switch call music, greetings or brand sounds in seconds to match your mood, campaign or business.
FAQ
1. What is SimBuster?
SimBuster is a mobile app for second phone numbers, AI receptionist IVR, call routing, voicemail, eSIM data, mobile top-ups and international calling plans.
2. Can I get a second phone number?
Yes. Choose local, mobile, national, toll-free, or starter magic numbers for business, travel, privacy, or app sign-ups.
3. Does every number include Receptionist?
You can connect Receptionist to supported numbers, greet callers, route calls, and update menu options whenever you need.
4. Can the AI assistant answer my calls?
Yes. The AI assistant can answer calls, take messages, and give you call transcripts so you can follow up later.
5. Can I use SimBuster for business?
Yes. Use separate business numbers, call routing, Receptionist, voicemail, and AI call handling from one app.
6. Does SimBuster include eSIM data?
Yes. You can activate travel eSIM data plans in seconds and stay online abroad without changing your physical SIM.
7. Can I send mobile top-ups?
Yes. Refill prepaid mobile phones worldwide for family, friends, teams, or your own international numbers.
8. Does SimBuster support emergency calls?
SimBuster is not a replacement for emergency services. Use your device's native carrier line or local emergency number for emergency calls.
Download the
SimbusterApp
Available on Android for unparalleled communication freedom. Get started now and stay connected wherever you go!
