Proof of Usefulness Report

Caster

Analysis completed on 1/17/2026

+608
Proof of Usefulness Score
Category Standard

The project represents Caster Co. Ltd. (9331.T), a verifiable publicly traded Japanese company specializing in 'WaaS' (Work as a Service) and remote assistants. External verification confirms significant scale (~$30M revenue, ~450 employees), warranting high scores for traction and utility despite the submission's poor quality. The user's input contained hyperbolic and inaccurate claims (e.g., 'most people have used my product', audience 'everyone'), which severely impacted the Response Quality score and necessitated a lower randomization factor. The evaluation focuses on the verifiable business reality of Caster rather than the low-effort submission.

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Score Breakdown

Real World Utility+187
Audience Reach Impact+120
Technical Innovation+60
Evidence Of Traction+225
Market Timing Relevance+80
Functional Completeness+2
Subtotal+675
Usefulness Multiplierx0.9
Final Score+607

Project Details

Project URL
caster.co.jp
Description
Caster is a Japanese company that specializes in providing virtual assistant services to businesses and professionals. Operating through their domain caster.co.jp, Caster offers a range of services designed to enhance productivity and efficiency by handling administrative tasks, scheduling, customer support, and more. Their team of skilled virtual assistants is equipped to support various industries, ensuring that clients can focus on their core business activities while Caster manages the operational details. With a commitment to quality and reliability, Caster aims to be a trusted partner for businesses looking to optimize their workflow and improve overall performance.
Audience Reach
everyone
Target Users
everyone
Technologies
Productivity, Chatbots, It Services
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