SimBuster is a mobile-first phone system for people and businesses who need more than one number, with call routing, voicemail, AI receptionist, eSIM data and mobile top-ups.

Can I get a second phone number?

Yes. SimBuster lets you choose local, mobile, national, toll-free and starter magic numbers for travel, privacy, business or app sign-ups.

Does SimBuster include an AI receptionist?

Yes. You can set up a smart receptionist and IVR flow to greet callers, route calls and handle personal or business calls.

Can I use eSIM travel data?

Yes. SimBuster supports travel eSIM data plans so you can stay connected internationally without roaming shock.

Does SimBuster work on iPhone and Android?

Yes. SimBuster is designed for iPhone and Android users.

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Plans & Bundles for Calls, SMS & Speech

SimBuster Plans help you save on international calls, local calls, AI call minutes, SMS messaging, and voice avatar speech generation. Choose flexible calling plans, country-based SMS credits, and Speech Credit for IVR prompts, Receptionist greetings, and AI voice flows inside one mobile app.

Calling plans use Call Credit. SMS and Speech Credits never expire

Download on the

App Store

Get it on

Google Play

Plan availability depends on destination, number type, compatible numbers, account status, and service availability.

Simbuster Plans

Buster Minutes

AI call minutes for your AI Assistant, Receptionist and smart call flows
Calling Plans

Use Call Credit to buy local or international calling plans where available
SMS Plans

SMS credit plan for supported numbers and messaging. Credits never expire
Speech Credit

Buy speech credits for voice avatars, greetings, and IVR menu prompt audio

Calling plans are paid with Call Credit and billed in USD ¢/min where applicable. Local plans may require a local or compatible SimBuster number. If no active plan applies, standard call rates apply.

How Calling Plans Work

Choose a local, international, or AI calling plan, activate it with Call Credit, and track usage real-time

Choose a Plan

Pick an AI, local, or international calling plan where available
Check Compatibility

Some local plans need a local or compatible SimBuster number
Activate with Credit

Use Call Credit to activate the plan when you have enough balance
Track Plan Usage

See remaining minutes, usage, and expiry inside the app (updates instantly)

SimBuster calling plans help reduce the cost of local calls, international calls, AI call handling, business phone numbers, second numbers, and virtual receptionist call flows. Plans are available only for supported destinations, compatible numbers, and eligible accounts. When a plan is not active or not compatible with the call, SimBuster automatically uses the normal pay-as-you-go call rate.

Buy SMS credits for the country you need.

SMS Plans work across the selected country and are not locked to one specific number

Choose the country you want to send SMS in
Select the SMS plan that fits your usage
Buy safely with in-app purchase
Credits never expire
Works with supported SimBuster numbers
Use for messaging, business replies, and OTP app verification where supported

Choose a country

Select SMS credits

In-App Purchase

SimBuster SMS Plans help you manage text messaging costs for virtual numbers, second numbers, business numbers, and supported international SMS routes. SMS credits are per country and not tied to one number and do not expire.

Speech Credit Plans for Avatars

Use Speech Credit to generate greetings, menu prompts, IVR audio, Receptionist messages, and puzzle flow speech

Create voice greetings and menu prompts
Use with basic Receptionist flows
Use with puzzle-style call flows
Choose from voice avatars
Charged per generation
Credits never expire

Speech Credit

Select Plan

In-App Purchase

Speech Credit is charged each time audio is generated, including regenerations. It is not only charged when a full flow is completed.

Why Use SimBuster Plans?

Calls, SMS & Speech

Use calling plans where they beat standard rates

Flexible Plans

Choose local, international, AI, or SMS and speech plans

No Long Contracts

Buy what you need and stay in control of your spending

Track Usage

See plan usage and remaining credits clearly in-app

Explore More SimBuster Features

Use SimBuster Plans with virtual numbers, international calling, SMS, Receptionist IVR, AI Assistant and flexible pay-as-you-go call credit rates.

Phone Numbers

Get local, mobile, toll-free, and business numbers

AI Assistant

Let AI answer calls, take messages, and help callers

Receptionist

Build a visual puzzle IVR and route calls easily

Call Credit

Add credit for calls, plans, and supported usage

FAQ

1. What are SimBuster Plans?

SimBuster Plans include Calling Plans, SMS Plans, Buster Minutes, and Speech Credit for supported services.