What is App Stack Builder?

App Stack Builder is a free AI-powered tool that helps founders and developers choose the right tech stack for their projects based on budget, app type, team size, and skill level.

What is the best tech stack for SaaS in 2026?

The best tech stack for SaaS in 2026 typically includes Next.js 16 for frontend, Supabase for database and auth, Vercel for hosting, Stripe for payments, and PostHog for analytics. App Stack Builder can generate a personalized recommendation based on your specific budget and requirements.

Is App Stack Builder free to use?

Yes, App Stack Builder is completely free to use. You can generate unlimited tech stack recommendations without any cost.

What types of apps can I build with the recommended stacks?

App Stack Builder supports various app types including SaaS applications, web apps, mobile apps, e-commerce stores, internal tools, and AI/ML products.

How much does a SaaS tech stack cost per month?

A modern SaaS tech stack can cost anywhere from $0-50/month for bootstrapped startups using free tiers, $100-300/month for growth-stage startups, to $500+/month for enterprise-ready infrastructure. App Stack Builder helps you find the best tools within your specific budget.

What is the best tech stack for solo founders?

For solo founders, we recommend Next.js + Vercel (free), Supabase (free tier), Supabase Auth (free), Stripe (pay as you go), and Plausible or PostHog for analytics. This stack can run your entire SaaS for under $50/month.

Can I export my tech stack recommendations?

Yes, you can export your tech stack recommendations as a PDF document or copy them to your clipboard. You can also share a link to your stack with others.

Bot Protection & CAPTCHAFree tier

hCaptcha: Pricing, Features & Alternatives

Name: App Stack Builder
Availability: InStock

hCaptcha is the most common drop-in replacement for reCAPTCHA, and its API is close enough that switching is usually a change of script and keys. It is built around privacy law (GDPR, CCPA) and does not use visitors' data for advertising.

Basic is free and shows a classic challenge to most visitors. Pro is $99 a month billed yearly or $139 month to month, includes 100,000 evaluations, then $0.99 per 1,000, and adds a 99.9% passive mode, invisible mode, custom themes and analytics. Enterprise adds risk scores, a fully passive no-CAPTCHA mode, SAML SSO and SLAs, priced by quote. As of October 2026.

hCaptcha Pricing Plans (2026)

Plan	Price	Highlights
Basic	$0	Classic visual challenge · GDPR and CCPA compliant
ProPopular	$99 / month (billed yearly) or $139 monthly	100K evaluations / month · $0.99 per 1K after · 99.9% passive mode
Enterprise	Contact sales	Risk scores · No-CAPTCHA passive mode · SAML SSO and SLAs

Pricing summary: Free · paid from $99/mo. Always confirm current pricing on the official site.

Key hCaptcha Features

100K evaluations / month
$0.99 per 1K after
99.9% passive mode
Custom themes and analytics

Pros

+Near drop-in swap for reCAPTCHA
+Privacy-first, no ad tracking
+Free plan for basic protection

Cons

−Free plan shows a puzzle to most visitors
−Low-friction mode needs Pro at $99+/month
−Enterprise pricing not public

Best hCaptcha Alternatives

Compare all

Cloudflare Turnstile

Free · paid plans by quote

Google reCAPTCHA

Free · paid from $8/mo

Arcjet

Free · paid from $25/mo

hCaptcha Compared

hCaptcha vs Cloudflare Turnstile hCaptcha vs Arcjet hCaptcha vs Google reCAPTCHA

hCaptcha FAQ

What is hCaptcha used for?⌄

hCaptcha is a bot protection & captcha tool. Privacy-focused CAPTCHA with a free plan, and a Pro plan that adds a 99.9% passive mode where almost nobody sees a challenge.

Is hCaptcha free?⌄

Yes — hCaptcha has a free tier you can start with, and paid plans for more usage and features.

How much does hCaptcha cost?⌄

hCaptcha offers a free tier, with paid plans starting at $99/month. Some plans are usage-based (pay-as-you-go).

What are the best hCaptcha alternatives?⌄

Popular hCaptcha alternatives include Cloudflare Turnstile, Google reCAPTCHA, Arcjet. Compare pricing and features on our hCaptcha alternatives page.