Enterprise scale. Independent releases.

Scale your super app without slowing releases.

For product organizations building from scratch, modernizing legacy apps, or extending microfrontend principles from web to mobile at enterprise scale.

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Teams we support

Who this is for

Enterprise super app programs with real organizational complexity

Designed for teams managing multiple domains, strict reliability targets, and cross-team delivery dependencies.

Multiple business domains in one product ecosystem
Independent releases with platform-level governance
Migration from webviews to native with minimal disruption

Proof

Enterprise proof from production super app programs

Enhancing Performance of Momo's Super App

How modular architecture improved reliability, governance, and release velocity at enterprise scale.

Improving Chat Performance for Zephyr

How we built a modular app platform with independent delivery across teams in a large organization.

Re.Pack: Module Federation for React Native

Module Federation for React Native to enable enterprise-grade microfrontends and independent releases.

Shaping the Future of Super Apps in React Native

Our view on enterprise architecture, scaling strategy, and long-term platform sustainability.

End-to-End Product Development

Feature Development

Team Training

Enhancing Performance of Momo's Super App With Re.Pack

MoMo successfully migrated its platform and mini apps to a new architecture using Re.Pack, boosting performance and scalability.

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End-to-End Product Development

Feature Development

Launching White-Label Super App for Zephyr Cloud With Re.Pack

We integrated ZephyrCloud with React Native and developed a white-label application to showcase Zephyr features as well as provide easy getting started story.

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open source

How Definitely Typed Changed TypeScript Forever

Ever wondered why TypeScript feels so seamless with your favorite JavaScript libraries? It’s not just luck—it’s Definitely Typed, a project that plays a crucial role in enabling TypeScript developers to use JavaScript libraries with type safety and autocompletion.

Article

Why Your Business Needs a Super App

Super apps are gaining popularity worldwide as a way to consolidate many services into one mobile platform. This guide explores what super apps are, how they work, and the key benefits they offer businesses - from improving user engagement to reducing development costs.

Estimate flow

Enterprise discovery in one focused sprint

Validate architecture decisions early with a technical discovery track focused on module boundaries, runtime integration, and release model.

Architecture blueprint tailored to enterprise constraints

Rollout plan aligned to team topology and governance

Risk map across architecture, delivery, and operations

Leadership-ready recommendation for implementation phases

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outcomes

Measurable results from super app architecture

Results from modular platform programs where teams scaled multiple product areas in one app ecosystem.

If you’re looking for skilled and trusted React developers, Callstack is definitely the way to go.

Tom Occhino

Director of Engineering

2x

Mobile user growth

AutoZone doubled its mobile user base during migration while delivery stayed continuous.

0

Missed releases

Migration was completed with no release interruptions while preserving biweekly delivery.

97%

Build reliability

Release reliability increased from 63% to 97% after moving to a modern modular pipeline.

6x

Faster CI builds

Platform modernization enabled faster module delivery and a significantly shorter release path.

What you get across each super app layer

Platform layer

A stable foundation with shared standards, reusable components, and cross-platform consistency.

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Shared SDK and core services

Governance and architecture standards

Module layer

Independently owned business domains that can be built, tested, and shipped in parallel.

Secure sandbox for each module

Team ownership by domain

Independent feature development

Runtime layer

Safe integration, release orchestration, and operational controls for production scale.

CI/CD and release infrastructure

OTA updates and staged rollouts

Monitoring, alerts, and rollback

Fast Validation Offer

Design your super app to scale.

Get a tailored plan for platform structure, delivery model, and rollout phases.

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Or, connect with our business manager for a tailored strategy and custom quote.

Jakub Stadniczuk

Business Manager @ Callstack

Book a 15-min consultation

Frequently asked questions

Super apps are niche by nature. These are the core questions teams ask before committing to architecture and delivery.

Is this offer only for very large organizations?

No. It’s for teams with multi-domain complexity, independent release needs, or cross-team ownership challenges.

Do we need microfrontends already to start?

No. We can design a modular mobile model from scratch or align it with your existing web microfrontend setup.

Can you work with our current mobile stack?

Yes. We support native iOS/Android, React Native (bare), Expo, and mixed environments.

How do releases work across modules?

We define the release model together: independent per module, coordinated, or hybrid by domain and risk profile.

What do we get in Phase 1?

A practical package: architecture blueprint, rollout plan, risk map, and recommended execution model.

Can this support webview-to-native migration?

Yes. We plan migration paths that increase native coverage while keeping delivery continuity.

How quickly do you respond after submission?

Typical response time is within 1 business day, with a tailored estimate and recommended next steps.