Validate your idea
with real Reddit pain

See what real people complain about.
Find out if your idea solves a real problem.

Most startups fail because they build
something nobody wants

Validate your ideas with real people's frustrations and needs. RantRank scans Reddit for genuine complaints so you know if your idea solves a real problem.

100K+

Reddit communities searchable

616M

posts per year on Reddit

AI

powered pain intensity scoring

How it works

How RantRank works: Search your idea, Reddit scanning, Get your signal

What you get

Search any idea

r/
reddit

AI scores the pain

Calendly pricing is insane...8.5
Need simpler booking tool...8.0
Anyone use scheduling apps...6.0

Get a clear signal

Strong signal
Moderate
Weak signal

Know instantly if your idea has real demand

Weekly Top 10

1Why is every CRM so bloated?9.2
2Invoicing tools that don't require a PhD?8.7
3Email marketing pricing is insane8.4

Curated trending pain points

Example results

appointment scheduling

Strong signal

5

rants found

5

subreddits

146

total upvotes

7.7/10

avg intensity

8.9

"Calendly makes scheduling feel impersonal and leads to more no-shows"

r/recruiting · 113 upvotes

8.3

"Using Calendly dropped my meeting hold rate by 20 points"

r/sales · 7 upvotes

7.7

"Calendly sucks for conversion tracking compared to simple forms"

r/PPC · 7 upvotes

7.2

"Our scheduling tool takes hours each week just to maintain"

r/SalesOperations · 6 upvotes

6.5

"Acuity is hot garbage — clients need accounts, no alerts, can't bulk cancel"

r/squarespace · 13 upvotes

Get Early Access

Be first to validate your ideas with real Reddit pain.

  • Weekly Top 10 curated rants
  • AI-powered intensity scoring
  • Direct Reddit source links