One mobile app backend, endless possibilities
Calljmp mobile apps backend works seamlessly with your preferred development frameworks, empowering you to build powerful mobile apps, no matter your tech stack.
Everything you need, right out of the box
Whether you are launching your first MVP or managing dozens of clients, our mobile app backend gives you all the essential tools and capabilities to power your app with confidence, security, and scalability.
- Security
- Calljmp backend for mobile apps follows industry standards with TLS encryption, access controls, and least privilege. We use Play Integrity and App Attestation for mobile apps, eliminating the need for API tokens. JWTs are used with secure, random payloads for each device, app, and user.
- Scalability
- Powered by Cloudflare, Calljmp uses D1 (SQLite) for scalable data management. With Workers for auto-scaling and edge caching, Calljmp mobile backend grows effortlessly with your app.
- Predictability
- Calljmp offers straightforward pricing based on usage. No hidden costs, no surprise fees—just a simple, pay-as-you-go model with no infrastructure headaches.
- Compliance
- Your data is securely stored and managed with least-privilege access, ensuring compliance with industry standards. Calljmp keeps your app secure and compliant, so you can focus on building.
Powerful features to build better apps
Calljmp provides all the essential backend services you need, allowing you to focus on creating exceptional mobile app backend development experiences without worrying about infrastructure.

App authentication
No more API keys to manage. Calljmp integrates directly with Apple App Attestation and Google Play Integrity to ensure only authentic app instances on real devices can connect to your backend. Simply configure your iOS and Android projects and let the backend app platform handle authentication securely.

SQLite database
Easily manage your database with our intuitive dashboard. Create and modify tables, define schemas, set column permissions, and execute custom SQL queries—all without leaving your browser. Your mobile app can access the database directly using raw SQL or your preferred SDK, with fine-grained access controls ensuring data security.

Cloud service
Deploy fully-featured cloud services alongside your mobile app with a single command. Each service gets a unique URL and can automatically verify caller authenticity, user identity, and platform details. Build APIs that integrate seamlessly with your mobile app, with all the security handled for you.

File storage
Upload and manage files effortlessly through our dashboard or directly from your mobile app. Create buckets to organize files, set access permissions, and provide your users with fast, reliable file storage. Our global CDN ensures quick access to media and documents from anywhere in the world.
Supercharge your mobile app
Build faster without backend headaches. Replace Firebase and stay flexible as your app grows.
What people are saying
Developers and businesses around the world trust Calljmp our backend for mobile apps to power their development. Here's what they have to say about their experience.
“Calljmp has completely transformed our backend development process. The integration was seamless, and the ability to scale with Cloudflare infrastructure means we can handle traffic growth effortlessly.”

“I love how predictable Calljmp’s pricing model is. We know exactly what we’re paying for, with no hidden costs. It’s great for budgeting, and the pricing scales perfectly with our app’s growth.”

“The integration process was straightforward. I was able to set up my iOS app backend with just a few commands, and the mobile SDK made it easy to connect. We’ve saved so much app backend development time.”

Simple, transparent pricing for mobile apps
Choose an affordable plan packed with the best features for engaging your audience, creating customer loyalty, and driving sales.
Hobby
$0/month
Perfect for solo developers or small projects. Enjoy full access to Calljmp's core features with limited resources and session length.
- 2 projects
- 2 storage buckets
- Low API call duration and limited sub-requests
- Limited database permissions
- Access to mobile SDKs
- Community support only
Professional
$15/month
Ideal for growing teams. Includes extended features, priority support, and white-label solution to scale your projects seamlessly.
- Unlimited projects
- Unlimited storage buckets
- Higher limits for API call duration & unlimited sub-requests
- Full database permissions with no limits
- Access to mobile SDKs
- Priority support
- Advanced integrations
- Remove branding
Frequently asked questions
Find answers to common questions about Calljmp's features, pricing, and capabilities.
Supercharge your mobile app
Build faster without backend headaches. Replace Firebase and stay flexible as your app grows.