Turborepo vs Nx: Choosing a Monorepo Tool for Your Startup

If your startup has a web app, a mobile app, an API, and shared libraries, you have two choices: separate repos (polyrepo) or one repo (monorepo). Three years ago, this was a genuine debate. In 2026, monorepos have won for most startups.

The reasons are practical. Shared code (types, validation schemas, utilities) lives in one place. Changes that span the frontend and backend are a single commit with a single PR. CI runs tests for everything affected by a change. Dependency versions are synchronized. New developers clone one repo and have the full context.

But monorepos without tooling are painful. Running "npm test" across 15 packages takes forever. Building everything when you changed one file is wasteful. Dependency management across packages creates version conflicts. Monorepo tools (Turborepo and Nx) solve these problems with intelligent caching, parallel task execution, and dependency-aware build orchestration. For a deeper look at architectural trade-offs, our monolith vs microservices guide covers when code organization patterns matter most.

Turborepo (acquired by Vercel in 2021) is a build system for JavaScript and TypeScript monorepos. Its core value proposition is: make your existing monorepo faster without changing how you work.

Key Features

• Task caching: Turborepo hashes the inputs to each task (source files, dependencies, environment variables) and caches the output. If nothing changed, the task completes instantly by replaying the cached output. Local caching works out of the box. Remote caching via Vercel allows sharing cache across CI and team members.
• Parallel execution: Tasks that do not depend on each other run in parallel automatically. Turborepo reads your package.json scripts and turbo.json configuration to build a dependency graph, then parallelizes everything possible.
• Incremental builds: Only rebuild packages that changed or depend on packages that changed. If you modify a shared utility, only the packages importing that utility are rebuilt.
• Minimal configuration: Add turbo.json to your repo, define your task pipeline, and you are done. No code generation, no custom project files, no framework-specific concepts.

Pricing

Turborepo itself is free and open source. Remote caching via Vercel is free for hobby use (limited cache size) and included in Vercel Pro ($20/team member/month) and Enterprise plans. Self-hosted remote caching is possible using open-source cache servers.

Best For

Teams that want to speed up their existing monorepo without a major refactor. TypeScript-heavy projects. Teams already using Vercel for hosting. Projects that want to keep things simple and avoid learning a complex new tool.

Nx (by Nrwl, now Nx Company) is a more comprehensive monorepo tool that goes beyond build orchestration. It includes code generation, dependency visualization, affected commands, and plugins for specific frameworks.

Key Features

• Computation caching: Like Turborepo, Nx caches task results based on inputs. Nx Cloud provides remote caching and distributed task execution (splitting CI tasks across multiple machines).
• Code generators: Nx provides generators that scaffold new packages, components, and features according to best practices. "nx generate @nx/react:component Button" creates a component with tests, stories, and proper exports.
• Dependency graph visualization: "nx graph" opens an interactive visualization of your project dependencies. This is invaluable for understanding how packages relate to each other in a large monorepo.
• Affected commands: "nx affected:test" only runs tests for packages affected by the current changes. This works with Git diff to determine what changed.
• Framework plugins: Official plugins for React, Angular, Vue, Node.js, Next.js, and more. Each plugin provides generators, executors (build/test/serve), and framework-specific optimizations.
• Module federation: Built-in support for Webpack Module Federation, enabling micro-frontend architectures within the monorepo.

Pricing

Nx itself is free and open source. Nx Cloud is free for small teams (up to 500 CI pipeline hours/month). Pro plan at $100/month per workspace with 3,500 hours. Enterprise pricing for larger teams.

Best For

Larger teams (10+ developers) that benefit from code generation and standardization. Angular projects (Nx was originally built for Angular and has the deepest Angular support). Organizations that want enforced architectural boundaries between packages. Teams that need distributed CI task execution for faster pipeline times.

Here is a direct comparison on the dimensions that matter most for startups:

Setup and Learning Curve

Turborepo wins. Adding Turborepo to an existing monorepo takes 10 to 30 minutes. Create turbo.json, define your pipeline, run "turbo run build." Nx requires more setup: nx.json, project.json files for each package, and understanding Nx-specific concepts (executors, generators, targets). For a team that just wants faster builds, Turborepo's simplicity is a major advantage.

Caching Performance

Tie. Both tools cache effectively. Both support local and remote caching. In benchmarks, Turborepo and Nx produce nearly identical cache hit rates and speed improvements. The practical difference in caching performance is negligible.

CI/CD Integration

Nx wins for large teams. Nx Cloud's distributed task execution splits your CI pipeline across multiple agents automatically. A 30-minute pipeline can be reduced to 5 minutes by distributing tasks across 6 machines. Turborepo's remote caching helps but does not distribute execution. For startups with small teams, this difference rarely matters. For a primer on CI/CD setup, see our CI/CD guide for startups.

Code Generation

Nx wins. Turborepo has no code generation features. Nx provides comprehensive generators for creating packages, components, services, and more. This standardization is valuable for larger teams where consistency matters. For small teams (2 to 5 developers), manual project creation is fast enough that generators are not a compelling differentiator.

Flexibility

Turborepo wins. Turborepo works with your existing package.json scripts. It does not care how you build, test, or lint your code. Nx is more opinionated: it prefers Nx executors over raw scripts, and some features (affected commands, dependency graph) work best when you follow Nx conventions.

Regardless of which tool you choose, here is how to structure a startup monorepo effectively:

Package Organization

• apps/web: Your main web application (Next.js, Remix, etc.)
• apps/mobile: Your mobile app (React Native with Expo)
• apps/api: Your backend API (Express, FastAPI, etc.)
• packages/ui: Shared React component library
• packages/shared: Shared types, validation schemas (Zod), and utility functions
• packages/config: Shared ESLint, TypeScript, and Prettier configurations

Dependency Management

Use pnpm workspaces for package management. Pnpm is the best package manager for monorepos in 2026: faster installs, stricter dependency resolution (no phantom dependencies), and excellent workspace support. Both Turborepo and Nx work well with pnpm.

TypeScript Configuration

Create a base tsconfig.json in packages/config that all packages extend. Use project references for proper cross-package type checking. Enable incremental compilation for faster type checks. Use TypeScript everywhere in the monorepo for type safety across package boundaries.

Shared Validation

Define your data validation schemas (using Zod) in packages/shared. Import them in both the frontend (form validation) and backend (API request validation). This ensures your frontend and backend always agree on data shapes, eliminating an entire class of bugs.

We have seen these mistakes repeatedly in startup monorepos:

Over-Packaging

Do not create a separate package for every utility function. Packages have overhead: build configuration, tests, versioning. Start with 3 to 5 packages (app, api, shared, ui, config). Split only when a package grows too large or has genuinely different consumers. A 100-line shared package is not worth the overhead.

Circular Dependencies

Package A imports from Package B, which imports from Package A. Both Turborepo and Nx will warn about this, but it still happens. The fix is usually to extract the shared code into a third package or restructure the dependency direction. Nx's dependency graph visualization makes these cycles easy to spot.

Ignoring Build Order

If package A depends on package B, B must be built before A. Both tools handle this automatically if you declare dependencies correctly in your turbo.json/nx.json. The mistake is running tasks without the tool (raw "npm run build" instead of "turbo run build") and getting stale outputs.

Not Using Remote Caching

Local caching speeds up repeated builds on your machine. Remote caching shares those results across your entire team and CI. When a teammate already built the same code, your build is instant. Both Vercel (Turborepo) and Nx Cloud offer remote caching. Set it up on day one. It saves hours per week across a team.

For most startups (2 to 10 developers, 3 to 10 packages), choose Turborepo. It is simpler to set up, simpler to understand, and does the most important thing (caching and parallel execution) as well as Nx. The minimal configuration means less to maintain and fewer things to break.

Choose Nx if you have 10+ developers, need code generation for standardization, want distributed CI execution, or are building an Angular application. Nx's extra features justify the extra complexity at larger team sizes.

Either way, start your monorepo early. Converting from polyrepo to monorepo later is painful (moving git history, aligning dependencies, merging CI configurations). Starting with a monorepo from day one is easy with either tool and pays dividends as your codebase grows.

If you are currently debating whether to use a monorepo at all, the answer is almost certainly yes, as long as you have more than one deployable app or more than one shared package. The tooling has matured enough that the overhead is minimal, and the benefits (shared code, atomic changes, unified CI) are substantial.

Need help setting up your monorepo? Book a free strategy call and we will help you design the right repository structure and tooling for your team and product architecture.