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.

Background Jobs & WorkflowsFree tier

Inngest: Pricing, Features & Alternatives

Name: App Stack Builder
Availability: InStock

Inngest is a developer platform for background jobs, scheduled tasks, and durable multi-step workflows. You write functions that react to events or run on a cron, and Inngest handles retries, state, concurrency, and flow control. A free tier covers small projects; paid plans scale on usage.

Who it’s for: TypeScript, Python and Go teams who want durable multi-step functions and event-driven jobs without running queue infrastructure.

Inngest at a Glance

What it is: Hosted durable workflow platform
Languages: TypeScript, Python, Go, Kotlin
What it runs on: Inngest Cloud or self-hosted; steps run in your app
How you pay: Monthly plan plus per-execution overage
Free access: 50,000 executions a month

Checked November 2026 against Inngest pricing, Self-hosting (Inngest docs).

Visit Inngest official site

Inngest Pricing Plans (2026)

Plan	Price	Highlights
FreePopular	$0	50K executions/mo · 5 concurrent steps · 5 seats
Pro	From $99 / month	1M executions included · 100 concurrent steps · 15 seats
Business	From $499 / month	10M executions included · 500 concurrent steps · 30 seats
Enterprise	Custom	Custom limits · 90-day trace history

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

Key Inngest Features

Free: 50,000 executions a month, 5 concurrent steps, 5 seats and 24-hour trace history; work pauses at the quota
Pro from $99 a month with 1M executions, 100 concurrent steps and 7-day trace history
Pro overage: $50 per extra 1M executions
Business from $499 a month with 10M executions and 14-day trace history; Enterprise custom
Self-hosting supported since the 1.0 release, on SQLite by default or your own Postgres and Redis
SDKs for TypeScript, Python, Go and Kotlin

Pros

+No infrastructure to run
+Durable multi-step workflows
+Event-driven + cron in one model
+Great local dev experience

Cons

−Execution-based pricing can add up at scale
−Newer ecosystem than Celery/Sidekiq

Best Inngest Alternatives

Compare all

Trigger.dev

Free · paid from $10/mo

BullMQ

Free · paid from $139/mo

Graphile Worker

Free

Hatchet

Free

Upstash QStash

Free · paid from $180/mo

Inngest Compared

Inngest vs Sidekiq Inngest vs Trigger.dev Inngest vs BullMQ Inngest vs Temporal Inngest vs Graphile Worker Inngest vs Hatchet

Inngest FAQ

What is Inngest used for?⌄

Inngest is a background jobs & workflows tool. Durable, event-driven functions and workflows for TypeScript & Python — no queues or workers to manage.

Is Inngest free?⌄

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

How much does Inngest cost?⌄

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

What are the best Inngest alternatives?⌄

Popular Inngest alternatives include Trigger.dev, BullMQ, Graphile Worker, Hatchet, Upstash QStash. Compare pricing and features on our Inngest alternatives page.