Zenning AI vs REX

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Zenning AI compared with REX
Detail	Zenning AI	REX
What it does	Proactive AI platform that prepares your work across your tools before you need it	A coding agent that runs your whole Windows PC by voice or text
Stage	Not given	Not given
Founded	Not given	Not given
Based in	GB	ES
Pricing model	Not given	Free
Pricing	Free trial: $0 with $100 in complimentary credits lasting 30 days, no credit card required. Proactive AI: $40 per user per month billed monthly, or $36 per user per month on an annual plan (save 10%). Enterprise: Custom pricing. Free trial includes $100 complimentary credits. Proactive AI plan inclu	Free. Windows 10 or later, 64-bit.
Key features	Enterprise search across all systems Integration with Gmail, Google Calendar, Slack, Linear, Stripe, Google Sheets and thousands more	Verifies results before completion Voice and text input Runs on Windows 10 or later, 64-bit Compatible with any AI model you choose Multi-step task automation Checks live results in real applications
What makes it different	No new tools to learn - works directly in Slack and Microsoft Teams where your team already works Data never used to train AI models - GDPR compliant and SOC 2 Type II in progress	Operates the entire Windows desktop, not just the terminal Verifies task completion by checking real application results Completely free with no subscription required Voice control for hands-free operation Measured performance on public benchmarks
Community votes	0	0
DR (Domain Rating by Ahrefs)	29 −1 (down) since last check	2 no change since last check
Trust Flow (Majestic)	6	2
Citation Flow (Majestic)	25	24
Referring domains (Majestic)	25	15

5 details filled in for both companies.

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