Proof of Usefulness Report

AddEvent

Analysis completed on 1/5/2026

+314
Proof of Usefulness Score
Certified Problem Solver

AddEvent is a widely established 'Add to Calendar' B2B utility with significant market penetration (6,000+ customers, millions of end-user interactions). Despite the extremely sparse and low-quality submission ('most people have used my product'), external verification confirms it is a profitable, high-utility business comparable in scale to the HackerNoon calibration benchmark ($1M-$3M estimated revenue). The score reflects high Real-World Utility and Traction, penalized heavily for Response Quality due to the lack of effort in the submission data.

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Score Breakdown

Real World Utility+90
Audience Reach Impact+68
Technical Innovation+31
Evidence Of Traction+85
Market Timing Relevance+27
Functional Completeness+1
Subtotal+302
Usefulness Multiplierx1.04
Final Score+314

Project Details

Project URL
Description
AddEvent has developed a proprietary ecosystem of calendar, event and appointments scheduling management APIs that are used by thousands of companies around the world.
Audience Reach
everyone
Target Users
everyone
Technologies
Software Development, Leadership
Traction Evidence
most people have used my product

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