Quo vs. iPlum

Trusted by 90,000+ businesses, Quo (formerly OpenPhone) brings your team’s calls, texts, and contacts into one AI-powered workspace — helping you respond instantly and win more customers. Bring clarity to every conversation. Shared inboxes, internal notes, and a mini CRM, gives every teammate the visibility and context they need to make sure each customer doesn't get missed. Respond to every customer. Fast.

Trusted by over 50,000 businesses, iPlum is a secure communication platform built for professionals who need to stay compliant, mobile, and in control of their client interactions. With features like HIPAA-compliant texting, calling, voicemail, and admin controls— it gives healthcare providers, therapists, legal professionals, and financial teams the tools you need to communicate with confidence. With iPlum, you get more than a second phone line. All calls and messages are encrypted end-to-end, with built-in voicemail transcription, call recording, and secure data storage.