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.

Webhooks Infrastructure

The 3 Best Convoy Alternatives in 2026

Name: App Stack Builder
Availability: InStock

Looking for an alternative to Convoy? Below we compare the best webhooks infrastructure alternatives by pricing, free tiers, and what each is best for — so you can pick the right fit for your budget and stack.

Why look for a Convoy alternative?

Convoy is a solid webhooks infrastructure choice, but it isn't the right fit for everyone. The most common reasons teams evaluate alternatives:

−Elastic License 2.0, not OSI open source
−Free edition capped at one user and two projects
−Premium is a steep $999/month and cloud pricing is unpublished

Convoy vs Alternatives — Quick Comparison

Tool	Pricing	Rating	Best for
ConvoyYou searched	Free · paid from $999/mo	4.4	Webhooks Infrastructure — self-hosted, source-available
1.Svix	Free · paid from $20/mo	4.7	Webhooks Infrastructure — open-source, self-hosted
2.Hook0	Free · paid from $59/mo	4.3	Webhooks Infrastructure — self-hosted, source-available
3.Hookdeck	Free · paid from $39/mo	4.6	Webhooks Infrastructure — event-gateway, queue

Top Convoy Alternatives, Explained

1. Svix

Free tier4.7· Free · paid from $20/mo

Svix is the webhook-sending platform most SaaS teams reach for when they need to offer webhooks to their own customers. You call one API; Svix handles delivery with retries and backoff, HMAC signing, per-endpoint rate limits, logs and replay, and gives your customers an embeddable portal to manage their endpoints. The server is MIT-licensed and self-hostable (Rust, Postgres, optional Redis). Cloud pricing as of October 2026: Free (50K messages a month), Basic from $20/month, Professional from $490/month with 90-day retention and a 99.99% SLA, and custom Enterprise with on-prem and a HIPAA BAA. Overage on paid plans is $0.0001 per message.

MIT-licensed server you can self-host
Customer-facing endpoint portal out of the box
Generous 50K-message free tier

Svix pricing & review Convoy vs Svix

2. Hook0

Free tier4.3· Free · paid from $59/mo

Hook0 is a webhooks-as-a-service platform built in Rust in France: an API to send events, subscriptions per customer, retries, signatures and a management UI. Self-hosting is free under the Server Side Public License (source-available; you cannot resell it as a managed service). The EU-hosted cloud, as of October 2026: Developer free (100 events a day), Startup €59/month (30K events a day), Pro €190/month (100K events a day, 30-day retention), and Enterprise custom. An on-premise Pro licence is €500/month plus a €1,000 setup fee, or €6,000 a year.

Free self-hosting with the full UI
EU-hosted cloud suits GDPR-sensitive teams
Simple, predictable daily event caps

Hook0 pricing & review Convoy vs Hook0

3. Hookdeck

Free tier4.6· Free · paid from $39/mo

Hookdeck started on the receiving side: its Event Gateway sits in front of your app, accepts webhooks from Stripe, Shopify, GitHub and others, queues them, and delivers them to your endpoints with retries, rate limits, filtering, transformations and full-text search over payloads. Its CLI is a popular way to receive webhooks on localhost. For sending webhooks to your own customers it ships Outpost, an Apache-2.0 Go service that also delivers to SQS, EventBridge, Pub/Sub, Kafka and others. Pricing as of October 2026: Developer free (10K events a month, 3-day retention, dashboard locks past the cap), Team from $39/month, Growth from $499/month with SSO and HIPAA, then metered from $3 per 100K events.

Best-in-class for receiving third-party webhooks
Excellent CLI for local webhook testing
Outpost gives an Apache-2.0 path for sending

Hookdeck pricing & review Convoy vs Hookdeck

Frequently Asked Questions

What are the best alternatives to Convoy in 2026?⌄

The best Convoy alternatives in 2026 are Svix, Hook0, Hookdeck. Each is a webhooks infrastructure option you can compare on pricing, free tiers, and features in the table above.

Is there a free alternative to Convoy?⌄

Yes — Svix, Hook0, Hookdeck offer free tiers, making them strong free Convoy alternatives for bootstrapped startups.

Why look for a Convoy alternative?⌄

A common reason teams switch is elastic license 2.0, not osi open source. Beyond that, people compare webhooks infrastructure tools on pricing, specific feature gaps, ease of use, and whether an open-source or free-tier option exists — so they can pick the best fit for their stack and budget.

What is the cheapest Convoy alternative?⌄

Svix is among the most affordable Convoy alternatives — free · paid from $20/mo. Check the comparison table above for the full pricing breakdown.

Which Convoy alternative is rated highest?⌄

Svix is the highest-rated Convoy alternative in our catalog at 4.7 out of 5, making it a strong pick if you want a well-reviewed option.