App-building glossary

Plain explanations of unfamiliar terms.

No-code

Building apps mainly through visual editing instead of code.

Low-code

Combining visual editing with code where needed.

AI

Technology that helps generate screens or code from instructions. Results need review.

Web app

An app used through a URL in a browser.

App-store publishing

Distribution through App Store or Google Play, with registration and review.

Custom domain

An address you register for your site or app, such as appruto.jp.

Database

A system for storing, finding and updating structured information.

Backend

Systems behind the interface, such as storage and authentication.

API

An interface for exchanging data or functionality with another service.

Prototype

A small version for testing usability and feasibility.

Credits

Usage units for features such as AI generation; costs vary by service.

Access permissions

Settings controlling who can view or change information.

Code export

Downloading source code. Check plan and maintenance requirements.

Affiliate links / PR

Referral links that may earn the operator a commission.