Call.com vs Avalanche Messenger

Your second phone number in an app. A real virtual number you can use on any device — no SIM cards, no extra phones. Call.com gives you a dedicated second line for work, travel, or personal use. Choose a local number in the US, UK, France, Canada, Mexico, Australia, Austria, Belgium, Finland, and Puerto Rico, with more countries coming soon. VOICE CALLS Make crystal-clear calls to mobiles and landlines worldwide at low rates. Call other Call.com users for free. SMS Send affordable SMS messages to any mobile number in the world. VIDEO CALLS One-to-one or group HD video calls with up to 10 participants. Free between Call.com users. CHAT & VOICE MESSAGES Full-featured chat with support for images, files, emojis, and voice messages. WHO IT'S FOR — Freelancers & Small Business: A dedicated work line to separate business and personal communication. Project a professional image with a local number. — Remote Teams: Shared company credit, flexible billing, and the ability to reassign numbers between team members in one click. — Expats & Digital Nomads: Keep a local number in your home country while living abroad. Friends, family, and banks can reach you without international charges. — International Travellers: Connect over Wi-Fi and avoid expensive roaming fees. — International Callers: Stay in touch with friends and family overseas at affordable rates. — Coaches & Teachers: Communicate with students and clients on a dedicated number with flexible availability settings. — Property Managers & Hosts: A separate line for guest and client inquiries across multiple listings. — Tablet & Laptop Users: Turn any device into a fully functioning phone — no physical SIM required. MANAGE MULTIPLE NUMBERS Add more than one virtual number and manage them all from a single app. Each number comes with its own voicemail, availability schedule, and call controls. FEATURES — Personalized voicemail for each number — Call and SMS forwarding — Advanced availability controls and quiet hours — Block unwanted calls and messages — Send SMS to multiple contacts at once — Synchronized contacts across all your devices — Remote logout for account security — Login activity monitoring — Number porting — transfer an existing number to Call.com LOW INTERNATIONAL RATES Affordable calls and SMS to hundreds of destinations. Transparent pricing visible in the app before you call or send a message. USE ON MULTIPLE DEVICES Your calls, messages, and contacts stay synchronized across your devices. Trusted by over 1,000,000 users worldwide. Built in Europe. For support, contact our team directly in the app or email support@call.com

Avalanche is the best organizing platform for in-person coordination: conferences, canvassing, local organizing, and anything else. Avalanche starts with encrypted messaging as the base, and atop that enables well-integrated organizing tools: group auto- and self-join, browse attendees, team assignments and subgroups, volunteer management, Q&A bots, and whatever else you can dream, all integrated into one mobile app that is as easy to use as texting.