I started using Expo CLI seriously around 2019. Before that, I was managing native build environments with bare React Native CLI — handling provisioning profiles, Gradle configurations, and Podfile conflicts by hand. Expo made a lot of that manageable. I'm Masaki Hirokawa, an artist and app developer who's been building mobile apps independently since 2014. Across everything I've shipped, total downloads have crossed 50 million. Build tooling has changed dramatically over that time, and Rork feels like one of the bigger shifts I've seen.
When I first went through a Rork build flow, my honest reaction was: this is a completely different world. In ways that surprised me — both the friction and the clarity.
This article is a practical comparison of how it actually feels to take the same feature from idea to device using Expo CLI versus Rork. I want to be specific about where Rork creates unfamiliar friction for developers who live in the terminal — and equally specific about where it's genuinely better.
What actually changed in the build flow
Here's the general shape of a typical Expo CLI + EAS Build workflow:
# Standard Expo CLI + EAS Build flow (overview)
# 1. Create project
npx create-expo-app my-app --template blank-typescript
cd my-app
# 2. Dev loop with simulator or Expo Go
npx expo start
# 3. First development build for physical device
eas build --profile development --platform ios
# 4. Production build
eas build --profile production --platform ios
# 5. Submit to store
eas submit --platform iosThe EAS layer eliminated a lot of the Xcode/Android Studio pain I dealt with in earlier years. But it still assumes a baseline of terminal comfort: configuring eas.json, managing certificates, untangling dependency issues when builds fail. All of that stays.
With Rork, the entire loop from writing to preview to device happens inside one interface. Hit "Preview," scan a QR code, and you're looking at a running app on your iPhone. That's genuinely new behavior.
Time from start to device — measured
I built the same prototype with both tools: one button, one screen, a simple spring animation. I tracked how long it took to go from blank project to confirming the interaction on a physical device.
Expo CLI (with EAS Build)
- Project scaffolding: ~10 minutes (template selection, dependency installation)
- Component implementation: ~30 minutes
- Expo Go / simulator check: immediate (unless native modules are involved)
- First Dev Client build: ~25 minutes (EAS queue + certificate processing)
- Device confirmation: after Dev Client install
Estimated total: 70–90 minutes (first run)
Rork
- Project creation: ~2 minutes (template selection only)
- UI generation via prompt: 5–10 minutes
- Preview → QR scan → device: ~3 minutes
- Device confirmation: immediate
Estimated total: 10–15 minutes (even on first run)
The numbers are lopsided. But "faster" and "better" are different things — and that gap is where the real comparison starts.
The friction CLI developers feel with Rork
For developers who are comfortable in Expo CLI, Rork's interface creates unfamiliar distance in specific situations. Here's what I ran into:
File structure is abstracted away
In Expo CLI, you own src/components/, app/(tabs)/, and every directory in between. In Rork, the underlying React Native structure is abstracted. Understanding what's in which file requires exporting to GitHub — you can't just open a directory tree.
Developers who've built large-scale apps tend to want to know exactly where state management lives and how custom hooks are organized. Rork doesn't surface that directly in its primary interface.
Third-party library access has limits
With Expo CLI you can add anything to package.json. Rork works with a curated set of libraries, which covers most common use cases well — but some native modules (camera controllers, Bluetooth, specific hardware sensors) either can't be added or require going through the GitHub export route.
Error debugging surfaces differently
When Expo CLI builds break, you get stack traces in the terminal. When something goes wrong in Rork, the AI explains the error in conversational form. For developers who are used to reading raw stack traces, that layer of interpretation can feel like it's getting in the way of the actual information.
These aren't flaws so much as design choices. Rork deliberately abstracts these layers to support developers who aren't comfortable with terminal workflows. That tradeoff makes sense for its target audience — it just requires adjustment if you're coming from deep Expo CLI experience.
Where Rork actually wins
Despite the friction I noticed, there were areas where the Rork experience was clearly better.
The prototype-to-confirmation loop is substantially faster
If the goal is just "does this interaction feel right on a real device?" — Rork is the right tool. Running a full EAS build just to check a UI detail is high overhead. With Rork, "modify prompt → preview" cycles are nearly instant.
One thing 12 years of indie development has taught me: you want to feel a design on a real screen as early as possible, before you've committed to a large implementation. Rork shortens that cycle significantly.
Collaboration with non-engineers becomes practical
When working with a designer or content person who wants to adjust copy or layout, Expo CLI requires someone who can write code to make the change. With Rork, a prompt is enough. That shifts who can participate in the iteration loop.
The translation cost between "the person building" and "the person who'll use it" is higher than it looks. Rork reduces it.
Export to EAS Build is smoother than expected
Going from Rork to GitHub export and then into EAS Build worked better than I anticipated. Because Rork's output is Expo-based, it feeds naturally into EAS tooling. For the setup details, Setting up Expo Dev Client in a Rork app covers the transition well.
How I'm choosing between them now
After this comparison, here's roughly how I'm making the decision:
When I reach for Rork
- Prototyping a new idea to check whether it feels right before committing to a full build
- UI-focused apps that don't need deep native module access
- Collaboration with non-engineers where back-and-forth is part of the process
When I stay with Expo CLI
- When I need precise control over specific native functionality
- When the app is large enough that I want to own the component architecture directly
- Adding features to an existing codebase
The decision usually comes down to two questions: does the app need native modules that Rork doesn't support, and do I want to own the file structure directly?
A wallpaper app with AdMob banner ads is still hard to complete entirely inside Rork at the moment. But an information-display app, or an app with subscription billing managed through RevenueCat — those work well with the Rork-plus-GitHub-export flow.
For full store submission steps, Publishing a Rork App to App Store and Google Play has the walkthrough. If you hit Expo dependency issues during the build, Fixing Rork App Expo Dependency Errors is a useful reference.
What the GitHub export workflow actually looks like
One practical question CLI-familiar developers have is: what happens when you need to move the project out of Rork's interface into a local Expo workflow?
The export is less disruptive than it sounds. From inside Rork, you can push the generated project directly to a GitHub repository. What you get is a standard Expo project — app.json, package.json, a recognizable directory structure — that you can clone locally and continue developing with EAS Build.
# After exporting from Rork to GitHub, continuing locally
git clone https://github.com/your-username/your-rork-exported-app
cd your-rork-exported-app
# Install dependencies
npm install
# Configure EAS if not already set up
eas build:configure
# First development build
eas build --profile development --platform iosThe code Rork generates uses standard patterns — functional components, React Navigation, typical state management approaches — so it reads naturally to anyone familiar with React Native conventions. I was half-expecting messy generated boilerplate, but the output was cleaner than I anticipated.
Where you will need to invest time: Rork sometimes duplicates style definitions or uses inline styles in places where a shared StyleSheet would be more maintainable. For a small prototype, that is not a problem. For a project that will grow over time, a style refactor early in the handoff pays off.
The important point is that Rork's export path is real, not a workaround. The handoff to Expo CLI is a genuine option when the project scope expands beyond what Rork's interface handles well.
The question isn't which is better — it's what you're building
Rork and Expo CLI are optimizing for different things. Rork minimizes the time from idea to physical device. Expo CLI maximizes control and production-grade precision.
Developers who come from CLI workflows tend to notice what Rork can't do before they notice what it can. That's a natural response — but Rork's speed advantage in the prototype-to-device loop is real, not incidental.
My current approach: prototype in Rork, confirm the interaction on device, then export to GitHub and move to Expo CLI if the project needs deeper native work. That sequence fits the way individual developers actually build things — starting from uncertainty and narrowing toward something concrete.