Top 7+ Free Firebase Alternatives for 2025
Firebase is a popular platform offering backend services like real-time data synchronization, push notifications, hosting, and app analytics. It empowers developers to build, scale, and optimize apps from MVPs to fully mature products. Although Firebase offers decent free tiers, costs can skyrocket as your app grows, making developers seek a free Firebase alternative to avoid unexpected expenses.
Fortunately, several free alternatives to Firebase provide similar capabilities, from real-time databases to authentication, without the high costs. Many of these platforms are open-source, allow self-hosting, and offer greater flexibility for scaling your applications affordably.
In this post, we’ll explore the top 7+ free Firebase alternatives you should consider in 2025.
Serverless Sackend Solution and PaaS
A serverless backend or Platform-as-a-Service (PaaS) simplifies complex backend tasks. Developers no longer need a tight coupling with server architecture. Instead, they focus on frontend features and user experience while the platform handles the backend infrastructure.
These solutions are gaining momentum for a few reasons:
- Faster development cycles by eliminating server maintenance
- Lower operational costs, paying only for the resources used
- Rapid scaling without manual server management
Choosing a serverless PaaS can significantly accelerate your project’s launch and growth.
What is Firebase?
Firebase, developed by Google, is a comprehensive app development platform loved by millions worldwide. It offers essential tools for app deployment, hosting, marketing, and analytics — all designed to streamline the development process.
However, despite its popularity, Firebase has notable limitations:
- Proprietary platform with no open-source access
- Vendor lock-in restricts future flexibility
- Complex and unpredictable pricing
- Limited free tiers across services
- Exclusive dependency on Google Cloud hosting
Moreover, customizing Firebase to meet unique business needs is difficult. As your app scales, Firebase’s pay-as-you-go model can rapidly inflate your costs. These challenges make many developers seek a Firebase alternative free of such restrictions.
Why Choose a Free Firebase Alternative?
Exploring free alternatives to Firebase gives you:
- Open-source flexibility for customization
- Self-hosting options for complete control
- Transparent and affordable pricing models
- Freedom from vendor lock-in
By choosing the right alternative, you can scale confidently without financial surprises or technical limitations.
Best Free Firebase Alternatives
Our experts have researched and reviewed a bunch of alternatives to Firebase and created a list of top platforms. So, you can just look over the best free alternatives and pick one that meets your needs.
Supabase
Supabase is a free, open-source Firebase alternative that lets you build backend services quickly. It supports self-hosting or using their cloud platform with real-time capabilities.
- Open-source and no vendor lock-in
- Supports PostgreSQL, RESTful, and GraphQL APIs
- Real-time subscriptions and event triggers
- Free plan includes 5GB bandwidth and 1GB storage
- Growing developer community and strong documentation
Appwrite
Appwrite is a self-hosted, open-source backend server designed to make app development fast and secure across web, mobile, and Flutter platforms.
- Simple REST APIs for easy integration
- Supports custom backend code with serverless functions
- 5GB bandwidth and 2GB storage on free plan
- Designed for secure and scalable applications
- Great for mobile app development
AWS Amplify
AWS Amplify helps developers build full-stack applications quickly using Amazon's cloud services. It’s highly scalable and supports a wide range of frameworks.
- Integrates AWS services like DynamoDB, Lambda, and S3
- Supports React, Next.js, Vue, Angular, and more
- Flutter, iOS, Android, Ionic, and React Native supported
- 5GB storage and 15GB bandwidth under free tier
- Easy backend setup and scaling
Kuzzle
Kuzzle is an open-source backend solution perfect for real-time apps, data management, and IoT projects, offering great flexibility and control.
- Real-time data sync and Elasticsearch integration
- Supports REST, WebSocket, MQTT, and GraphQL APIs
- Full access to codebase and self-hosting options
- High scalability and performance
- No vendor lock-in
MongoDB Realm
MongoDB Realm is a flexible backend service from MongoDB, allowing you to build real-time, scalable apps easily for web and mobile platforms.
- Real-time data synchronization
- Supports React, Vue, React Native, and Next.js
- Minimal server-side management
- 512MB free storage with shared RAM
- Integrated with AWS, GCP, and Azure
Backendless
Backendless is a visual app development platform offering a complete backend-as-a-service solution since 2012, ideal for mobile and web apps.
- Real-time and location-aware app support
- Integrates with Zapier, Bubble, AppGyver, etc.
- Intuitive and visual app builder
- Free tier available with generous resources
- Strong developer community and Slack support
Parse
Parse is a free, open-source backend framework to build applications quickly with flexible deployment and an easy-to-use dashboard.
- Open-source with multi-cloud deployment options
- Supports S3 and other storage adapters
- Graphical database interface and API management
- Large and active community
- Simple setup and quick launch capabilities
NHost
NHost is an open-source, serverless backend that combines PostgreSQL, Hasura, and GraphQL to make app development fast and infrastructure-free.
- Instant setup for web and mobile apps
- Powered by PostgreSQL and Hasura
- GraphQL APIs out of the box
- Open-source and scalable architecture
- Trusted by companies like HyperLab and ServeHub
Final Words
Firebase is powerful, but it can quickly become costly as you scale. Luckily, many free alternatives offer similar features with more flexibility and control. Choosing the right one depends on your app’s specific needs. That’s why we have listed the best alternatives for Firebase to help you get started.