Test demand with adsbefore you build new features

Signal53 scans real customer pain, runs live ad tests,and returns a score from 0–100. Build, refine, or kill. In 48 hours.

Real validation loop

Watch Signal53 turn an idea into a verdict

One input. Real pain scans. Live ads. A clearer answer before the build starts.

1
Idea
2
Scan
3
Hooks
4
Live ads
5
Verdict
Step 1 — Describe your idea
Target audience
Pain point

Validated through Reddit Ads

Reddit Ads|More platforms coming soon

How the signal is built

Signal53 doesn't ask you to guess at messaging

It reads real Reddit complaints, extracts the language your customers already use, and builds ad variants from that, not from templates.

r/
r/startups· Posted by u/founder_mode · 4h
Idea Validation

Stop building products nobody wants. Test demand before you write a single line of code.

74

Signal Score

STRONG DEMAND DETECTED
1.2k
348
r/
r/SaaS· Posted by u/indie_hacker · 2h
Growth

Tired of losing deals at the last minute? This AI closes the gap for B2B sales teams.

89

Signal Score

HIGH CONVERSION POTENTIAL
847
156
r/
r/Entrepreneur· Posted by u/bootstrapped_ceo · 6h
Marketing

Why most founders waste 6 months building the wrong thing. Here's how to validate in 48 hours.

92

Signal Score

VIRAL POTENTIAL
2.4k
521

The broken workflow

You know what to build. If only you could validate fast enough.

But more validation shouldn't mean more wasted time. You already have ideas. Yet here you are: talking to users who don't buy, building MVPs nobody wants, and watching months disappear with every failed launch. The whole workflow is broken.

Signal53 ends that loop. One prompt. Real data. A verdict in 48 hours.

Signal53 is an autonomous AI agent that researches real pain points, creates ad campaigns, and tells you whether to build or kill your idea, all from a single prompt.

How it works

Three steps. One verdict.

Signal53 handles the research, the ads, and the measurement. You make the call.

01Input

Describe idea you're testing

We scan Reddit conversations to find real complaints and extract messaging angles.

Tool that records sales calls and auto-generates follow-up emails

• 142 complaints found

02Test

Run real ad tests

We turn those angles into Reddit-native ads and test them in targeted subreddits.

r/startups • Promoted

Tired of losing deals at the last minute? This AI closes the gap.

Ad Creative

4.2% CTR

03Output

Get a real signal

We measure clicks, engagement, and conversions to tell you if it's worth building.

74/100
STRONG
Pain volume68%
CTR lift+2.4%

Pricing

Start validating today

Choose the plan that fits your validation needs. Cancel anytime.

Starter

Get started with idea validation

$29/month
Get Started
  • 3 idea tests per month
  • Reddit pain scan
  • 3 ad variants per test
  • Signal score + verdict
Most Popular

Pro

For serious validators

$79/month
Get Started
  • 30 tests per month
  • Full Reddit ad generation
  • Direct ad launch (API)
  • Results dashboard
  • Save & compare tests

Growth

For agencies & power users

$199/month
Get Started
  • Unlimited tests
  • Multiple projects
  • Team access
  • Advanced insights
  • Priority generation
  • Dedicated support

FAQ

Frequently asked questions

Everything you need to know about Signal53

Cut the noise, Keep the signal!

Launch your test in 5 minutes. Get your verdict in 48 hours.

Launch your first test