whatisgithub

What is exp?

dozoisch/exp — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2018-03-02

★ 1JavaScriptAudience · vibe coderComplexity · 2/5DormantSetup · easy

In one sentence

A command-line tool that lets JavaScript developers build and preview mobile apps on real phones instantly, without native Android/iOS build tooling.

Mindmap

mindmap
  root((exp))
    Inputs
      JavaScript app code
      exp start command
      exp publish command
    Outputs
      Shareable phone preview link
      Live-reloading app
      Permanent public link
    Use Cases
      Prototype mobile MVPs
      Preview designs on device
      Speed up native app iteration
    Tech Stack
      JavaScript
      Expo app
      Local dev server

Code map

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filefunction / class

What do people build with it?

USE CASE 1

Run exp start to launch a local dev server and preview a JavaScript app live on your phone via the Expo app.

USE CASE 2

Send a generated preview link to teammates or clients so they can view the app without installing anything else.

USE CASE 3

Run exp publish to get a permanent public link once the app is ready to share.

USE CASE 4

Prototype a mobile MVP in hours by writing one JavaScript codebase instead of separate Android and iOS apps.

What is it built with?

JavaScriptExpoNode.js

How does it compare?

dozoisch/exp0xmukesh/docusaurus-tutoriala15n/andrewscheuermann
Stars111
LanguageJavaScriptJavaScriptJavaScript
Last pushed2018-03-022021-12-272015-01-11
MaintenanceDormantDormantDormant
Setup difficultyeasyeasymoderate
Complexity2/52/51/5
Audiencevibe coderdevelopergeneral

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 5min

Requires installing the free Expo app on a phone to view live previews.

License is not stated in the available content.

Copy-paste prompts

Prompt 1
Set up a new JavaScript project using exp so I can preview it live on my phone with exp start.
Prompt 2
Explain how to share a live preview of my exp app with a teammate who doesn't have the code.
Prompt 3
Walk me through publishing my exp app with exp publish so I get a permanent shareable link.
Prompt 4
I'm new to mobile development, show me how exp lets me build one JavaScript app that runs on both iOS and Android.

Frequently asked questions

What is exp?

A command-line tool that lets JavaScript developers build and preview mobile apps on real phones instantly, without native Android/iOS build tooling.

What language is exp written in?

Mainly JavaScript. The stack also includes JavaScript, Expo, Node.js.

Is exp actively maintained?

Dormant — no commits in 2+ years (last push 2018-03-02).

What license does exp use?

License is not stated in the available content.

How hard is exp to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is exp for?

Mainly vibe coder.

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