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Ballpark your build.
In 90 seconds.

Describe your app idea. Pay once. Get a five-tier cost estimate with a downloadable proposal — no account required.

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Stripe Checkout  |  No account required  |  Secure payment
500+ estimates delivered
|
5 cost tiers per report
|
90 sec average delivery
How it works
Three steps. No jargon. No sales call.
1
Describe your idea
Type your project description in plain English. What it does, who it's for, and any key features you already have in mind.
2
Pay $20
Stripe Checkout handles payment securely. No account needed. Your description is submitted to our AI pipeline the moment payment clears.
3
Receive your estimate
Five investment tiers — Skeleton to Full — with downloadable proposal in PDF, HTML, and Markdown. Ready in ~90 seconds.
Sample output
Your Build Investment Range
SkeletonMVP$15,000 – $30,000
Slim$30,000 – $45,000
MidPopular$45,000 – $65,000
High$65,000 – $90,000
FullLaunch-ready$90,000+
~90 second turnaround
5 investment tiers
PDF + HTML + Markdown
Powered by Claude AI
No account required
Who are you?
Choose your path — we built CostLabsHQ for both of you.
Client
I have an app idea and want to know what it costs
  • One-time payment — no subscription
  • No account required
  • 5-tier estimate + downloadable proposal
  • Ready in 90 seconds
Developer / Agency
I build software and want ballparks for my clients
  • Monthly subscription — 10 ballparks / month
  • Personal promo code to share with clients
  • Earn credits when clients use your code
  • Dashboard + usage tracking
Simple pricing
Pay for what you use. Or subscribe and save.
Client
$20
per estimate, one-time
  • 5-tier cost estimate
  • Downloadable proposal (PDF / HTML / MD)
  • No account required
  • 90-second turnaround
Developer
$100
per month, cancel anytime
  • 10 ballparks / month
  • Personal promo code for clients
  • Earn 1 free credit per client referral
  • Usage dashboard
Built for developers and agencies
Use your promo code as a distribution tool — clients ballpark through you.
How the promo code works
1
You share your personal promo code with a client
2
Client enters your code + pays for their estimate
3
You earn +1 free internal ballpark credit, automatically
What you get
  • 10 ballparks / month included
  • Personal promo code to share with clients
  • Dashboard with usage + credit tracking
  • Referral history — see exactly who used your code
  • No per-request friction when scoping for clients
CostLabsHQ  |  Powered by Ballparker  |  Built by AppsTango
CostLabsHQ

Software Cost Estimate

AI-generated 5-tier ballpark + downloadable proposal

$20.00 USD
Secured by Stripe
Building your estimate
~90 seconds. Sit tight.
Estimate complete

Your Build Investment Range

Dog walker booking app with GPS tracking and payments

Skeleton
Slim
Mid (Popular)
High
Full
Skeleton
$15,000 – $30,000
Core booking flow only. Walker and client profiles, job creation, basic map view, manual payment (no Stripe integration). Functional but minimal UX. Suitable for an early investor demo or internal validation.
PDF proposal HTML report Markdown

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CostLabsHQ — Dev Subscription

Monthly Developer Plan

10 ballparks / month + promo code + dashboard

$99 / month
14-day free trial. You'll get a personal promo code immediately after subscribing — share it with clients to earn credits.
14-day free trial  |  Cancel anytime  |  Secured by Stripe
Developer Dashboard
Overview
Run Ballpark
Promo Code
Settings
Overview
Active subscription
0
Ballparks run this month
0
Credits available
0
Client referrals (all time)
Your promo code
—
Share this with clients — you earn a credit when they pay. Open "Promo Code" for your scannable QR.
Credit history
Developer Dashboard
Overview
Run Ballpark
Promo Code
Settings
Run Internal Ballpark
Uses one of your 10 monthly ballparks. Additional runs beyond your monthly limit use credits.
0 / 2000 characters
No promo code needed for internal runs. Results go to your dashboard.
Developer Dashboard
Overview
Run Ballpark
Promo Code
Settings
Your promo code

Share your code, link, or QR. When a client ballparks with it and pays, you earn a free internal credit automatically.

Your promo code
—
Scan to send a client straight to intake

A client who scans this lands directly on the intake form with your promo code already applied — they just describe their idea and pay.

Developer Dashboard
Overview
Run Ballpark
Promo Code
Settings
Settings
Account
—
—
Subscription

Manage your billing, cancel, or view invoices in the Stripe portal.

Manage billing
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