Lack of a personal blacklist or 'lista negra' tool for tracking problematic people
Individuals want a simple personal or shared blacklist tool to note and avoid people who have caused issues (e.g., in dating or social contexts), as no easy digital solution exists for this.
FL score
out of 100
Verdict
high confidence
Competition
No competitor data yet
Trend
No signal yet
A simple tool for individuals to track and share personal blacklists of problematic people in social or dating contexts.
The pain
The gap
Build angle
Strengths
- Clear user pain for a niche group
- Relatively simple technical requirements
- Potential for viral growth through shared lists
Risks
- Privacy and legal concerns around blacklisting people
- Limited willingness to pay or monetize
- Potential for misuse or defamation
- Challenges in building trust and network effects
Fly Labs Method
Is the pain real, is there a gap, is it the right time, can one person build it.
- Problem clarity
- 70
- Solution gap
- 65
- Willingness to pay
- 50
- Buildability
- 65
The problem is clear and real for some users, there is a gap in simple personal blacklist tools, but willingness to pay is uncertain and the product is moderately buildable.
Value Equation
Dream outcome and how likely it feels, against the time and effort it costs.
The value to users is moderate but the market size and monetization potential are limited, reducing overall attractiveness.
One-Person Business
Curiosity pull, identity fit, and a path from free value to paid for a solo creator.
The idea addresses a niche pain point with some demand, but lacks strong evidence of scalable growth or high user engagement.
Viral Frameworks
Hook strength, shareability, and how cheaply it can be tested.
The concept is novel but faces challenges in user trust, privacy, and network effects, which may limit adoption.
Builder Lens
Evidence the problem exists, timing, defensibility, and a model that fits on a napkin.
The idea is interesting but the unclear business model and potential legal/privacy issues lower its startup viability.
Five lenses, one composite. How scoring works
The angle
No market research recorded for this idea yet.
No centralized blacklist for dating scammers
Men repeatedly fall for scams by fraudulent women because there's no public database sharing identifiers like CPFs to warn others and prevent repeat victims.
Dating & Community
Dating apps reduce people to photos, ignoring real conversations and connection
Users are tired of swipe culture and superficial matching based on appearance, craving voice-first interactions for authentic relationships.
Dating & Community
Introverts lack a dedicated app for finding IRL friends
Introverts want to make real-life platonic friends for hangouts, but existing dating or social apps like Hinge do not adequately serve this need, leaving a gap for a specialized platform.
Dating & Community
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