miniapps

Miniapps, also known as micro-apps, are lightweight software modules designed to run inside a larger host application rather than as standalone apps. They provide focused functionality and are delivered within the host app's ecosystem, often through a dedicated storefront or discovery interface. Miniapps typically share the platform's authentication, storage, and runtime, while remaining sandboxed from the host.

In operation, a miniapp is loaded on demand from the host app, executing within its UI and lifecycle framework. Developers use a platform-provided SDK or web technologies to build the miniapp, and the host app handles permissions, updates, and cross-platform packaging. Because they run inside another app, miniapps can reach users without requiring separate downloads or installations, enabling rapid iteration and lower friction for both developers and users. Updates to miniapps can be deployed without updating the host application.

Benefits include lower development and maintenance costs, faster time-to-market, and higher user retention through seamless access within the host app. Challenges include limited access to device features, performance constraints, and security considerations. Each platform defines its own sandboxing rules, data isolation, and permission models, which can create fragmentation across ecosystems and complicate cross-platform development.

Examples of platforms that support miniapps include WeChat Mini Programs, Alipay Mini Programs, Baidu Mini Programs, and similar lightweight app experiences integrated into larger apps. In some markets, Apple App Clips or platform-specific lightweight app features offer a comparable model. Overall, miniapps reflect a strategy to deliver modular functionality inside established apps to reduce barriers to adoption.