G2 Vendor Directory

Quo vs. MailDeck

A side-by-side comparison based on G2 review data.

MetricQuo

by Quo

MailDeck

by MailDeck

Overall rating4.74.5
Review count3,42318
Ease of use9.59.6
Ease of setup9.49.9
Quality of support9.410.0
Meets requirements9.49.5
NPS85.2015377.777778
Small Business91.4%94.4%
Mid-Market7.3%5.6%
Enterprise1.2%0.0%
Total page views7,618111
Total LLM citations45,305151

Quo

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.

Pros

  • Ease of Use
  • Customer Support
  • Call Recording
  • Features
  • Easy Setup
  • Customer Service

MailDeck

MailDeck is an enterprise cold email infrastructure platform designed for high-volume outreach. It allows users to set up and manage Google Workspace and Microsoft Outlook inboxes, automate DNS and authentication protocols, and integrate with sequencers seamlessly.

Pros