Backend platform built around a dedicated Postgres database per project, with authentication, file storage, realtime, edge functions and vector/AI extensions available through APIs and client libraries.
Supabase gives each project a full Postgres database and adds Auth (email and password, passwordless, OAuth), Storage with Row Level Security integration, Realtime subscriptions, and globally distributed Edge Functions. Extensions cover vectors, cron jobs, queues and REST and GraphQL APIs.
Client libraries exist for JavaScript, Flutter, Python, C#, Swift and Kotlin. The docs also include self-hosting guides for some components.
It suits developers who want a managed Postgres-based backend for web and mobile apps. Free projects are limited in number and are paused after a week of inactivity; paid plans bill per organization plus compute and usage overages.
Free plan available; paid plans from USD 25 per organization per month
Free
Limits: 50,000 MAUs; 500 MB database; 5 GB egress; 1 GB file storage; 2 active projects; paused after 1 week of inactivity
USD 25 per organization per month
Limits: 100,000 MAUs; 8 GB disk per project; 250 GB egress; 100 GB file storage; $10/month compute credits; overage e.g. $0.00325 per MAU, $0.09 per GB egress
Conditions: Page states 'from $25/month' plus per-project compute and usage
USD 599 per organization per month
Limits: Same usage quotas as Pro; 14-day backups; 28-day log retention; SOC2 and ISO 27001
Conditions: Page states 'from $599/month' plus compute and usage; HIPAA paid add-on
Prices checked on October 24, 2026 from the vendor's official page. Vendors change prices; confirm before buying. How we check prices. Official pricing page (opens in a new tab)
Developers and startups building web or mobile apps who want a managed Postgres backend with auth, storage and realtime.
This page is based on desk research of the vendor's public pages and documentation. SIDAN Stack has not tested this product hands-on. How we research. Last verified: October 24, 2026.
Algolia is a hosted search and discovery API. Developers push records to indices and query them through official API clients, InstantSearch UI libraries and an Autocomplete library, with features for ranking, synonyms, rules, personalization, recommendations, analytics and A/B testing. Higher tiers add AI ranking, query categorization and NeuralSearch. Pricing is usage-based on search requests and records.
Free plan available; usage-based pricing
Datadog is a cloud monitoring and security platform that brings infrastructure metrics, application traces, logs, real user and synthetic monitoring, database monitoring, CI visibility and security products (code, cloud and SIEM) into one service with shared dashboards, alerting and more than 1,000 built-in integrations. Each product is billed separately, mostly per host, per GB or per million events.
Free plan available; usage-based pricing
Pinecone is a managed vector database for AI applications. Serverless indexes support dense, sparse, full-text and hybrid search with metadata filtering, namespaces for multi-tenancy, integrated embedding and reranking models, backups and dedicated read nodes. Pinecone Assistant adds a managed RAG service. A free Starter plan is available; paid plans bill on storage, read and write units.
Free plan available; paid plans from USD 20 per month
Open-source product platform combining product analytics, session replay, feature flags and experiments, surveys, error tracking, logs and data sources, priced per product on usage above a monthly free allowance.
Free plan available; usage-based pricing
To evaluate a software free plan, first decide whether it is a permanent plan, a time-limited trial or a credit grant; then convert its caps into your expected usage, check seat limits, find out what happens when you exceed a limit, review history retention and export, read the terms of use, map security features to tiers and price the first paid tier. This guide applies those steps to free plans recorded from official pages on 24 October 2026, including Firecrawl, Apify, Zapier, Supabase, Vercel, Notion, GitHub Copilot and Cursor.