Apps similar to CallMultiplier include RingCentral. It's paid, but Atomic SMS Sender is free. Other options are Textmagic, JustCall, SimpleTexting and Text-Em-All. You can choose from more than 10 Phone Systems like CallMultiplier for the web, iPhone, Android, Windows and Mac.
Integrated cloud solution for business communication offering calls, video, messages, and fax. Provides scalable solutions, real-time chat, HD video conferencing, and robust security, serving 400,000+ customers in over 100 countries with renowned uptime and AI-powered interactions.
United States
Cloud-based SMS messaging service provides bulk text notifications, alerts, and campaigns. Features 2-way chat, contact management, API, mobile keywords, polling, analytics, toll-free and scheduled messaging, flexible pricing, and virtual numbers.
United Kingdom
Cloud-based phone platform offering virtual numbers in 58 countries, real-time web and mobile calls, SMS, call recording, analytics, team collaboration, CRM integration, call distribution, instant setup, voicemail, flexible use, and international call management.
United States
Atomic SMS Sender supports 800 networks worldwide, enabling mass text ads, alerts, and notifications. Offers competitive pricing, dynamic sender IDs, free SMS testing, API integration, and a desktop or browser interface for seamless campaigns and delivery monitoring.
United States
SimpleTexting makes it easy for businesses of all sizes to reach their customers via SMS. All of their plans come with full access to a suite of powerful features including 2-way messaging, scheduled campaigns, MMS, autoresponders, API access, text-to-vote, and more.
United States
Text-Em-All delivers personalized, informational, and emergency text messages and phone calls fast - whether they're going to five people or 50,000.
Textedly instantly sends 10-100,000 mass SMS text messages to any mobile phone number. Easily build an opt-in subscriber list. Instantly upload your list of mobile phone number subscribers. Schedule text messages to go out any time you want.
BSG is a cutting-edge bulk SMS platform that lets users send the unlimited number of text messages worldwide. It can be used both for transactional and promotional SMS sending.
Hong Kong SAR China
CallHub is a hosted voice broadcasting software. It is used to call people and alert them of deals, updates, building closures and other information quickly. Campaigns can be run at very high number of calls per second.
Cheap SMS Gateway with simple API and 24/7 Support. Pricing cheaper than Twilio in 2-3 times. Good choice for startups.
Appointment reminder platform for service businesses: automated SMS and email campaigns, Google Calendar sync, recurring service automation, REST API, and Claude AI integration to reduce no-shows and recover lost customers.
Poland
EU
