Before
A tool for indie hackers to validate startup ideas quickly
After
BA tool for indie hackers to validate startup ideas quickly for a narrow first customer segment, packaged as a four-week V1 with one measurable pain, one acquisition channel, and a clear month-six success target.
Per-question score table
Who is this for, very specifically?
Specific timing window, but "solo founders" still spans wildly different sophistication and willingness-to-pay levels.
What pain are they paying for today?
Real budget anchor exists, but the comparison conflates two very different buyer behaviors.
Why now? What changed in the world?
Same "why now" every AI wrapper claims; doesn't explain why this wins versus ChatGPT directly.
What's the V1 you can build in 4 weeks?
Tight scope, clear tech stack, ships in days not weeks — exactly the right wedge size.
How will you reach the first 100 users?
Right channels and a clear hook, but "free" attracts tire-kickers, not signal.
What does success look like at month 6?
Concrete numbers, real revenue threshold, and qualitative proof of actual user behavior change.
Homework
Three concrete next steps before you run the next session.
- 1Interview 5 people in the exact customer segment and write down the words they use for the painful workflow.
- 2Build a clickable V1 outline that solves only the highest-friction step from those interviews.
- 3Send one concise outreach message to 20 likely first users and measure replies, not likes.
What founders say about gstack
“gstack's forcing questions are sharper than most advisors I have paid for.”
@founder_a
“Used this to pressure-test our YC application. We got in.”
@yc_alum_b
“58K GitHub stars for a reason. The framework is legit.”
@indie_dev_c
“It saved me from building the wrong thing. Twice.”
@pm_dana
Your next step
Apply to YC
- 1.5% acceptance rate
- 3 to 6 months until the next batch
- One idea reviewed
- Weeks to hear back
Go Pro
- Start today, no waiting
- 10 idea evals every month
- Full results in 5 minutes
- Private sessions and history
$19 / month
Applying to YC is still worth it. Use Pro to sharpen the idea before you do.
Go Pro
$19/month for 10 Full Sessions, private results, session history, and homework follow-up emails.
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Research this idea →
5-axis market analysis in Garry's voice
Brainstorm variations →
6-angle idea expansion