Technology

AngularJS Migration
for Australian businesses.

AngularJS (1.x) is end-of-life. No security patches from Google since December 2021. Migrate to React, Angular, or Vue, incrementally, with zero downtime.

We audit your AngularJS codebase and deliver a migration plan with clear scope, timeline, and fixed pricing.

Book a 20-min scoping call See Migration Options

AU-built Australian owned and operated
React, Angular, Vue Migration Stack we work with daily
Zero-Downtime Migration New builds + modernisation
Fixed Price scopes, no surprises

Why Migrate Now

AngularJS has been end-of-life since 2021. Every month increases the risk

AngularJS 1.x was a pioneering framework. It brought data binding, dependency injection, and single-page application architecture to the mainstream. But Google discontinued it on 31 December 2021. No security patches. No bug fixes. No updates.

If your application still runs on AngularJS, you are operating on an unsupported framework with known vulnerabilities that will never be patched. The developer talent pool is shrinking. Performance is limited by architectural decisions made a decade ago.

We migrate AngularJS applications to React, Angular (modern), or Vue. The migration is incremental: both frameworks run side-by-side while components are migrated one at a time. Your application stays functional throughout. No downtime, no big-bang risk.

AngularJS migration to modern framework with incremental component-by-component approach

Week 0

AngularJS Migration Audit

15-minute scoping call. We map your current setup, the requirements you need to ship, and the constraints (timeline, integrations, hosting). Fixed-price quote inside 48 hours.
Weeks 1–N

Build & Iterate

Migration delivered incrementally with weekly check-ins. Every component, route and integration tested before sign-off. Sandbox / staging environment for safe iteration.
Cutover

Go-Live & Handover

Production deployment on a planned window. Team training, monitoring active, 30 days post-launch support. Documentation and source code handed over in full.

Migration Options

Where to migrate your AngularJS application

React, Angular, Vue, or a complete rebuild. Each option has different strengths. We recommend based on your team, codebase, and business context.

AngularJS → React Migration

React is the most common migration target for AngularJS applications. Component-based architecture, massive ecosystem, and the largest developer talent pool. If your team knows JavaScript and you want maximum flexibility in hiring, React is the safe choice.

We migrate AngularJS applications to React component by component. During the transition, both frameworks run side-by-side in the same application using a micro-frontend approach or ngReact bridging. Your users do not notice the migration is happening.

AngularJS → Angular (2+) Migration

Angular (the modern version, 2+) is TypeScript-first, opinionated, and provides a complete framework out of the box: routing, forms, HTTP, testing, and CLI. If your team likes the structured approach AngularJS offered, modern Angular preserves that philosophy.

Despite sharing the "Angular" name, AngularJS and modern Angular are fundamentally different frameworks. The migration is essentially a rewrite. AngularJS controllers, $scope, directives, and services do not map directly to Angular components, decorators, and dependency injection.

AngularJS → Vue Migration

Vue is the gentlest migration path from AngularJS. The syntax is more familiar: templates with directives, two-way binding, and a similar mental model. Developers who know AngularJS typically pick up Vue faster than React or Angular.

Vue 3 with the Composition API and TypeScript support. Vue Router, Pinia for state management, and Vite for build tooling. A lighter footprint than Angular with more structure than React. Good for teams that want guidance without heavy framework opinions.

Complete Application Rebuild

Sometimes an incremental migration is not practical. The AngularJS codebase is too messy, the application needs significant feature changes, or the backend also needs replacing. In these cases, a clean rebuild on a modern framework is faster and cheaper.

We scope the rebuild based on what the application actually needs to do, not on what the existing code looks like. Features are prioritised, an MVP is defined, and the new application is built from scratch. The old AngularJS app runs until the new one is ready.

API Extraction & Backend Modernisation

Many AngularJS applications have the frontend and backend tangled together: server-rendered templates mixed with AngularJS directives, business logic in the frontend, and API endpoints that were designed for the AngularJS app rather than as a proper API.

We separate the frontend from the backend. A clean REST or GraphQL API serves the frontend. The frontend is a standalone single-page application (React, Angular, or Vue) that consumes the API. Backend and frontend can evolve independently.

AngularJS to React migration with component-by-component transition approach

AngularJS to modern Angular migration using ngUpgrade incremental approach

AngularJS to Vue.js migration with familiar template syntax and incremental approach

Complete AngularJS application rebuild on modern framework with clean architecture

API extraction from monolithic AngularJS app into separate frontend and backend architecture

Legacy database migration project — Case Study

Case Study

Legacy database migration that preserved 15 years of data

We migrated a sporting club from Microsoft Access to a modern web platform. Fifteen years of member data, registrations and competition records, safely moved and now cloud-accessible.

Read the full case study

15 yrs Data preserved

100% Cloud accessible

50% Less admin time

Why Migrate

The case for migrating off AngularJS: now, not later

End of Life Developers Performance Ecosystem

AngularJS end-of-life warning with no security patches since December 2021

AngularJS is end-of-life with no security patches

AngularJS (1.x) reached end-of-life on 31 December 2021. Google no longer provides security patches, bug fixes, or updates. The extended long-term support (LTS) from HeroDevs is available but is a paid commercial service, and it only buys time, not a permanent solution.

Running an end-of-life framework means known vulnerabilities will not be patched. If a security issue is discovered in AngularJS, there is no fix coming from Google. For applications handling customer data, financial information, or personal data, this is a compliance risk.

The clock is ticking. Every month without migrating increases the risk of a security incident, makes the eventual migration harder (as the codebase evolves), and reduces the pool of developers willing to work on AngularJS.

Developer talent pool comparison between AngularJS (shrinking) and modern frameworks

AngularJS developers are disappearing

Nobody is learning AngularJS in 2025. Junior developers learn React, Angular (modern), Vue, or Svelte. Senior developers with AngularJS experience are moving to modern frameworks. The talent pool is shrinking every month.

Hiring an AngularJS developer is increasingly difficult and expensive. Contractors charge a premium for legacy framework work. Agencies are less willing to take on AngularJS maintenance. Your options are narrowing.

After migration, your application is built on a framework with millions of developers worldwide. Hiring is easier, costs are lower, and you are not dependent on a shrinking pool of specialists.

Performance comparison between AngularJS dirty checking and modern framework rendering

Modern frameworks are dramatically faster

AngularJS uses dirty checking: it evaluates every watcher on every digest cycle. As the application grows, performance degrades. Large forms, complex lists, and data-heavy views become slow. This is an architectural limitation of AngularJS that cannot be fixed.

React (virtual DOM), Angular (change detection with zones), and Vue (reactivity system) all use fundamentally better rendering strategies. The performance difference on complex views is significant, often 5 to 10 times faster rendering.

Modern build tools (Vite, webpack 5, esbuild) produce smaller, more optimised bundles. Tree-shaking removes unused code. Code splitting loads only what the user needs. Initial load times drop dramatically.

Modern JavaScript ecosystem with TypeScript, npm, and tooling available after migration

Access to modern JavaScript ecosystem

AngularJS predates modern JavaScript (ES6+). It uses its own module system, its own dependency injection, and its own build tools. The modern JavaScript ecosystem (npm packages, TypeScript, modern build tools, testing libraries) does not integrate well with AngularJS.

After migration, your application has access to the full npm ecosystem. Component libraries, charting packages, authentication SDKs, form libraries, and thousands of utilities. Modern frameworks are built for this ecosystem.

TypeScript support is a major benefit. Static typing catches bugs at compile time, IDE autocompletion is dramatically better, and refactoring is safer. AngularJS was built before TypeScript existed.

Migration Services

What the AngularJS migration involves

From audit to handover. Incremental migration with zero downtime.

AngularJS Codebase Audit

We audit your AngularJS application: controllers, services, directives, routing, API calls, and third-party dependencies. You get a migration plan with scope, effort, and cost estimates.

Incremental Migration

Both frameworks running side-by-side. Pages migrated one at a time. Your application stays functional throughout. No big-bang cutover risk.

Security Patch (Interim)

Need to keep AngularJS running while planning the migration? We apply interim security measures: Content Security Policy, input sanitisation, and XSS protection at the server level.

API Modernisation

Backend API cleaned up during the frontend migration. RESTful design, proper authentication, versioning, and documentation. The API serves the new frontend and future mobile apps.

Testing & QA

Automated tests written during migration: unit tests, integration tests, and end-to-end tests. The migrated application is tested more thoroughly than the original.

Team Training

Your development team trained on the new framework. Code reviews, pair programming, and documentation so your team can maintain the migrated application independently.

Common Scenarios

AngularJS migration situations we handle

If one of these sounds like your situation, we can help.

Internal Business Application

AngularJS dashboard, admin panel, or business tool used internally. Security risk from EOL framework. Migration to React or Vue for continued development.

Customer-Facing Portal

Customer portal or self-service app built on AngularJS. Performance issues and security concerns driving migration. Need to maintain uptime during transition.

SaaS Product

B2B SaaS product with AngularJS frontend. Customers noticing performance issues. Developer recruitment increasingly difficult. Strategic migration to modern stack.

Security Compliance Requirement

Audit or compliance review flagged the end-of-life AngularJS framework. Migration required to meet security standards or customer requirements.

Developer Left

AngularJS developer moved on. Nobody on the team knows AngularJS. Need someone to take over and migrate to a framework the team can support.

Performance Issues

Large AngularJS application hitting performance limits. Slow rendering, sluggish forms, and poor mobile experience. Migration for architectural performance improvement.

How It Works

AngularJS migration process, step by step

Incremental migration. Both frameworks running side-by-side. Your users do not notice the transition.

1. Audit & Framework Selection

We audit the AngularJS codebase: size, complexity, test coverage, API dependencies, and third-party libraries. Based on the findings and your team's skills, we recommend React, Angular, or Vue as the migration target.

2. Side-by-Side Setup

Both AngularJS and the target framework running in the same application. New framework handles new routes, AngularJS handles existing routes. The bridge allows gradual migration without downtime.

3. Component Migration (Iterative)

Pages and components migrated one at a time, starting with the simplest. Each migrated component is tested and deployed before moving to the next. Your users see gradual improvements, not a risky big-bang switch.

4. Shared State & Services

AngularJS services and shared state migrated to the new framework. Authentication, API clients, and application state work across both the old and new components during the transition.

5. AngularJS Removal

Once all components are migrated, AngularJS is removed from the application. The bridging code is cleaned up. The application runs entirely on the modern framework.

6. Optimisation & Handover

Performance optimisation, code splitting, and bundle size reduction. Documentation updated. Your team trained on the new codebase. CI/CD pipeline configured for the modern framework.

Technical Context

Technologies involved in AngularJS migrations

The frameworks and tools we use as migration targets and during the transition process.

React

The most popular migration target. Largest ecosystem, biggest talent pool, maximum flexibility. Our default recommendation for most AngularJS migrations.

Angular (Modern)

TypeScript-first, opinionated, batteries-included. Suits teams that want a structured framework with everything built in.

Vue.js

Gentle learning curve, familiar template syntax for AngularJS developers. Good middle ground between React flexibility and Angular structure.

TypeScript

Static typing for JavaScript. Every modern migration uses TypeScript. Catches bugs at compile time and dramatically improves IDE support.

Node.js

Often the API backend for AngularJS applications. May also need updating as part of the migration.

Vite / Webpack

Modern build tools for the new frontend. Fast development, code splitting, tree shaking, and optimised production builds.

Our AngularJS application had 40 views and a security audit was breathing down our neck. HELLO PEOPLE migrated it to React over 14 weeks, incrementally, no downtime. The app is faster, the code is maintainable, and we can actually hire React developers now.

CTO SaaS company, Sydney

FAQs

Common questions about AngularJS migration

Is AngularJS really dead?

Yes. AngularJS (1.x) reached end-of-life on 31 December 2021. Google no longer provides security patches or updates. Extended commercial support is available from HeroDevs, but this is a paid interim measure, not a long-term solution. The framework will not receive new features or security fixes from Google.

How much does an AngularJS migration cost?

We audit the existing application and provide a fixed-price quote. Small applications (5-15 views, simple forms) sit at the lower end of project size. Medium applications (20-50 views, complex state management) are larger. Large enterprise applications run higher again. The main variables are the number of views/components, the complexity of business logic, and the quality of the existing code.

How long does the migration take?

Small applications: 6 to 10 weeks. Medium applications: 10 to 20 weeks. Large applications: 20 to 40+ weeks. Incremental migration means the application stays functional throughout. There is no downtime period.

Can we keep AngularJS running while we migrate?

Yes. Incremental migration runs both AngularJS and the new framework side-by-side. Pages are migrated one at a time. Your users keep using the application normally. The transition is invisible to them.

Should we migrate to React, Angular, or Vue?

React if you want the largest talent pool and maximum flexibility. Angular if your team likes a structured, opinionated framework. Vue if your developers are familiar with AngularJS and want the gentlest learning curve. We assess your team, codebase, and requirements and recommend the best fit.

What about our backend: does that need to change?

Usually not significantly. If the backend provides a REST API, the new frontend consumes the same API. We may clean up the API design during migration (better endpoints, proper authentication, documentation), but the backend logic typically stays the same.

Can our in-house team do the migration themselves?

If your team has experience with the target framework, yes. We can also do a hybrid model: we set up the migration architecture, migrate the first few components as a reference, and your team handles the rest with our support.

What happens if we do nothing?

Increasing security risk as unpatched vulnerabilities accumulate. Decreasing ability to hire developers. Mounting technical debt as new features built on an EOL framework become harder to maintain. Eventually, a forced migration under time pressure, which costs more than a planned one.