Proof of Usefulness Report

Xtone

Analysis completed on 2/14/2026

+444
Proof of Usefulness Score
Certified Problem Solver

Xtone is a legitimate, high-end architectural surface brand under the Porcelanosa Group, indicating significant real-world utility and an established market presence. However, the submission quality is extremely poor, featuring exaggerated claims ('everyone', 'most people have used my product') and confusing financial metrics ('all time marketcap' in a revenue field). While the underlying business is likely large-scale (Team size 350, verified brand), the PoU score is heavily penalized by the lack of verifiable evidence and low-effort responses provided in the entry.

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Score Breakdown

Real World Utility+212.5
Audience Reach Impact+70.0
Technical Innovation+45.0
Evidence Of Traction+75.0
Market Timing Relevance+70.0
Functional Completeness+2.5
Subtotal+475
Usefulness Multiplierx0.935
Final Score+444

Project Details

Project URL
xtone-surface.com
Description
Altissima XTONE represents the highest quality materials within the natural products of Porcelanosa Group. Distinguished products which provide from nature and create unique and exclusive spaces. Porcelanosa Group stands for the natural stone to impulse a quality leap in its natural products. Natural Stone moves to another level with Altissima. Slabs of stone which adapt to any project and space. As well as slabs, a wide range of design and format options are available. A wide range of shades, veining and patterns. Natural stone which tells stories through its veining. The Altissima collection offers slabs of unique and exclusive stone. Created by nature to offer one-off designs. Natural stone born of experience, of life. You will share your environment with a part of history. Incomparable eternal natural products available to a select few.

Algorithm Insights

Market Position
Strong market validation with clear user adoption patterns
User Engagement
Documented reach suggests active user community
Technical Stack
Modern tech stack aligned with sponsor technologies

Recommendations to Increase Usefulness Score

Document User Growth

Provide specific metrics on user acquisition and retention rates

Showcase Revenue Model

Detail sustainable monetization strategy and current revenue streams

Expand Evidence Base

Include testimonials, case studies, and third-party validation

Technical Roadmap

Share development milestones and feature completion timeline