A library for modifying native iOS app properties in real time without restarting the app, even remotely.
Traits is a Swift library for iOS that allows developers to modify app properties—such as design and behavior—in real time without restarting the application. It solves the problem of lengthy compile-run cycles by enabling live adjustments, even remotely, which accelerates iteration and debugging.
iOS developers and designers who need to quickly test and refine UI/UX elements, or teams requiring remote updates to app behavior without redeploying.
Developers choose Traits for its ability to provide immediate feedback and remote live-reloading, reducing development time and enabling more dynamic collaboration. Its extensibility and support for both code and Interface Builder make it versatile for various iOS projects.
Modify your native iOS app in real time.
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Enables real-time UI and behavior tweaks without recompilation or app restarts, as demonstrated in the demo GIF for rapid prototyping.
Supports updating running apps across networks via daemons, allowing for collaborative debugging and design changes across locations.
Requires minimal code changes—just assigning view identifiers via code or Interface Builder—making it easy to adopt in existing projects.
Allows creating custom traits and integrates with the Injection app for code injection, facilitating dynamic behavior adjustments without recompiling.
Restricted to iOS 8.0+ and UIKit-based apps, with no support for SwiftUI or other platforms, limiting its use in modern or cross-platform ecosystems.
Configuring remote daemons and relying on external tools like Injection app adds complexity beyond simple CocoaPods installation, as noted in the extensibility section.
Live modifications and remote updates could introduce performance overhead or instability in production environments, which the README does not address mitigations for.