How to Create a Mobile App From Your Phone
Yes, you can build a mobile app without a computer. Here is the phone-first workflow, what it can do today, and where its limits are.
Zusagi TeamPublished Updated 6 min readWhy phone-first matters
Most people who want an app do not own a development machine, and most AI coding tools still assume a laptop with an IDE and a terminal. A phone-first builder removes that requirement: describing, generating, previewing, fixing and deploying all happen on the device in your hand.
The workflow, step by step
Open chat.zusagi.com, create a project and describe the app. Zusagi proposes screens and a data model; approve or adjust. The app is generated, including its backend, and opened as a live preview on your phone. Describe any change or bug, and the code is patched. When you are ready, publish.
What works well on a phone
Describing features, reviewing plans, testing previews and requesting fixes are all natural on mobile. Reading long diffs is harder, so Zusagi summarises changes in plain language and keeps the full code available when you need it.
Limits to know
Publishing to app stores still requires developer accounts with Apple and Google and their review processes. Zusagi builds and packages the app; store submission follows their rules. See the AI mobile app builder page for current capabilities.