A library for fine-tuning iOS app parameters during development without code changes.
Tweaks is an iOS library that allows developers to fine-tune app parameters—such as animation timings, colors, and feature flags—during development without requiring code changes or a computer. It provides a configuration UI that can be accessed directly on the device, enabling real-time adjustments and faster iteration. The library is designed to integrate seamlessly into debug builds while having zero performance impact in release builds.
iOS developers and designers who need to quickly test and adjust visual or behavioral parameters during app development, particularly those working on apps with complex animations or interactive elements.
Developers choose Tweaks because it drastically reduces the iteration cycle for tuning app parameters, offering a simple, on-device interface for live adjustments without recompilation. Its conditional compilation ensures it only affects debug builds, making it safe for production releases.
An easy way to fine-tune, and adjust parameters for iOS apps in development.
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Enables modifying values like animation timings or colors without recompiling, allowing rapid iteration during development as shown in the demo GIF.
Macros expand to default values in release builds, ensuring zero performance impact in production, which is explicitly stated in the README.
Shake-to-open or view controller presentation provides convenient on-device access to tweaks, streamlining debugging without a computer.
FBTweakBind automatically updates UI properties when tweaks change, reducing manual code for real-time adjustments.
Macros are unavailable in Swift, requiring verbose manual object creation, and the README itself suggests SwiftTweaks as a better alternative for Swift projects.
Tweaks rely on NSUserDefaults with no built-in remote configuration or team synchronization, limiting use in collaborative or production scenarios.
Primarily designed for debug builds, making it unsuitable for production feature flagging or over-the-air updates without custom workarounds.