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.

Sales & MarketingFree tier

Apollo.io: Pricing, Features & Alternatives

Apollo.io is a sales intelligence platform that combines a massive B2B contact database (275M+ people, 73M+ companies) with outreach automation. Founders use it to find decision-makers, verify emails, and run automated cadences — all in one tool. The free plan includes 5 email exports/month and 50 mobile numbers, making it useful even before paying. Integrates natively with Salesforce, HubSpot, LinkedIn, and Gmail.

Apollo.io Pricing Plans (2026)

Plan	Price	Highlights
FreePopular	$0 / month	275M+ contacts database · 5 email exports/month · 50 mobile number reveals/month
Basic	$49 / user / month (billed annually)	Everything in Free · Unlimited email exports · 100 mobile numbers/month
Professional	$79 / user / month (billed annually)	Everything in Basic · Uncapped email exports · 200 mobile numbers/month

Pricing summary: Free · paid from $49/mo. Always confirm current pricing on the official site.

Key Apollo.io Features

275M+ contacts database
5 email exports/month
50 mobile number reveals/month
Basic sequences
Gmail & Outlook integration
Chrome extension
Basic analytics

Pros

+Massive contact database (275M+)
+Free tier genuinely useful for prospecting
+All-in-one: data + engagement + analytics
+Best LinkedIn prospecting workflow

Cons

−Data accuracy varies by industry/region
−Per-seat pricing for full features
−UI can be overwhelming for new users

Best Apollo.io Alternatives

Compare all

HubSpot CRM

Free · paid from $15/mo

Beehiiv

Free · paid from $43/mo

Kit (ConvertKit)

Free · paid from $33/mo

Mailchimp

Free · paid from $13/mo

Brevo

Free · paid from $9/mo

Launch10

From $59/mo

Apollo.io Compared

Apollo.io vs HubSpot CRM Apollo.io vs Beehiiv Apollo.io vs Kit (ConvertKit)Apollo.io vs Mailchimp Apollo.io vs Brevo Apollo.io vs Launch10

Apollo.io FAQ

What is Apollo.io used for?⌄

Apollo.io is a sales & marketing tool. B2B sales intelligence and engagement platform with 275M+ contacts, prospecting, and outreach automation.

Is Apollo.io free?⌄

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

How much does Apollo.io cost?⌄

Apollo.io offers a free tier, with paid plans starting at $49/month.

What are the best Apollo.io alternatives?⌄

Popular Apollo.io alternatives include HubSpot CRM, Beehiiv, Kit (ConvertKit), Mailchimp, Brevo. Compare pricing and features on our Apollo.io alternatives page.

Not sure if Apollo.io fits your stack?

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