Alternatives
10 best Firebase Auth alternatives
Tools that cover the same task as Firebase Auth (code), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- Firebase Auth starts at
- Not listed
- Free plan
- Free plan
- API
- API available
- 01
pusher.com
Pusher Channels delivers hosted pub/sub realtime messaging with presence and client libraries for web and mobile apps. The Channels product line targets low-latency events such as notifications, live feeds, and collaborative interfaces without operating websocket infrastructure.
Best for: Product engineers adding live updates, chat, or dashboards who prefer managed websocket delivery over self-hosted brokers.
- 02
searchly.com
Searchly provides managed Elasticsearch hosting with simple plans, daily backups on paid tiers, and instant plan changes without downtime. The product targets developers who want hosted search indices without operating their own Elasticsearch cluster.
Best for: Developers and small teams that need hosted Elasticsearch rather than self-managed cluster operations.
- 03
Bubble
Bubble is a visual no-code platform for building web and mobile applications with databases, workflows, design tools, and AI-assisted development in a hosted workspace.
Best for: Founders and product teams shipping full-stack apps without traditional code who need Bubble-hosted infrastructure.
- 04
Dualite
Dualite is a vibe-coding platform that turns prompts into web and mobile apps, dashboards, and AI agents without traditional coding. It supports Figma-to-code, GitHub import, backend databases, authentication, and downloads with models such as GPT 5.1, Claude Sonnet 4.5, and Gemini 3 Pro.
Best for: Founders and product builders who want fast prototypes and production-ish apps from natural language prompts across web and mobile.
- 05
Postcards 3
Postcards is Designmodo’s AI email builder for designing responsive newsletters and campaigns without coding. The Postcards product page highlights drag-and-drop modules, AI template generation, brand presets, collaboration, and exports to major email service providers.
Best for: Marketers, agencies, and developers who build HTML email templates and want AI-assisted design with ESP exports.
- 06
Pangolin
Pangolin is an open-source secure access and networking platform connecting workforces, AI agents, and infrastructure with identity-aware controls. Cloud plans add SSO, RBAC, audit logging, device posture, and an AI Gateway for identity-aware access to AI providers without sharing API keys.
Best for: Teams securing remote access to private apps, infrastructure, and AI workloads who want open-source software with optional managed cloud tiers.
- 07
PropelAuth
PropelAuth provides authentication and org management built for B2B and AI-native products. The platform covers hosted login UIs, SAML and enterprise SSO, RBAC, API keys, and MCP authentication so teams can ship secure multi-tenant apps faster.
Best for: B2B SaaS and AI-native companies that need multi-tenant auth, enterprise SSO, and org management without building it in-house.
- 08
FlutterFlow
FlutterFlow is a visual app builder for creating Flutter mobile and web apps with drag-and-drop UI, Firebase integrations, and exportable source code. Teams collaborate on projects, branches, and AI-assisted development with tiered seat-based plans.
Best for: Founders and product teams shipping Flutter apps faster without writing every UI line by hand.
- 09
Everframe
Everframe adds in-app bug reporting to mobile, web, and TV applications. SDKs attach screenshots, session replay, console logs, network traces, and device metadata to each report so QA and engineering can reproduce issues faster.
Best for: Teams shipping client apps who want lightweight in-app feedback without per-seat report limits.
- 10
Build0
Build0 lets teams describe internal workflows in natural language and spin up secure, full-stack internal apps with connectors, RBAC, versioning, and managed secrets. It targets operations, sales, product, and engineering groups that need governed tools fast.
Best for: Teams prototyping internal tools and AI-assisted workflows without standing up a custom stack from scratch.
Firebase Auth alternatives: common questions
What is the best free alternative to Firebase Auth?
pusher.com has an ongoing free plan. Channels pricing includes a Sandbox free tier with daily message and connection limits. Free plans change, so check the vendor before relying on one.
What is the cheapest Firebase Auth alternative?
Pangolin has the lowest listed starting price at $4/mo.
Which Firebase Auth alternatives have an API?
pusher.com, searchly.com, Bubble, Postcards 3, Pangolin mention API or developer access.