The Only AI-CRO Agent with 30–50% Lift Guarantee
Turn 500 Monthly Visitors Into a Conversion Machine
Your Entire Page Analyzed and Optimized in 8 Seconds
CRO Without Cookies. Without Compromise.
Cookieless. From 500 visits. 5-minute setup. Or it costs nothing.
The Short Answer
VariantX provides deeper optimization than Fibr AI. Fibr AI focuses on AI landing page personalization for different audiences. While innovative, it lacks VariantX's multi-agent swarm architecture, has no lift guarantee, and does not offer the same depth of autonomous scanning, analysis, and variant generation across entire pages.
Feature-by-Feature Comparison
How VariantX stacks up against Fibr AI across key features.
| Feature | VariantX | Fibr AI |
|---|---|---|
| Conversion Lift Guarantee | ||
| Multi-Agent AI Swarm | 5 agents | |
| 100% Cookieless | Partial | |
| Vision-Based Scanning | ||
| Full-Page Optimization | Landing pages | |
| Dynamic Variants | ||
| Explainable AI | ||
| Free Tier | Limited |
Why Teams Switch to VariantX
- Guaranteed 30-50% conversion lift — or your money back
- 5-minute setup with one JavaScript snippet
- 100% cookieless — GDPR-compliant by default
- Works from just 500 monthly visits
- Fully autonomous 5-agent AI swarm
Fibr AI Has No Guarantee. We Do.
30-50% conversion lift within 90 days — or a full refund. No questions asked.
Frequently Asked Questions
Fibr AI creates personalized landing page variants. VariantX uses a 5-agent swarm for full-page autonomous optimization with guaranteed lift.
No. VariantX guarantees 30-50% lift or your money back.
Pricing varies. VariantX starts free and offers transparent pricing at $149/month for Pro.
We recommend one optimization tool at a time. VariantX covers everything Fibr AI does and more.