A customizable modal passcode input and validation view controller for iOS apps requiring extra security.
TOPasscodeViewController is an open-source UIViewController subclass for iOS that displays a modal passcode input screen, requiring users to enter a correct passcode to proceed. It solves the need for extra security in apps handling sensitive data by providing a customizable authentication overlay that integrates seamlessly with existing app content.
iOS developers building apps that require an additional layer of security beyond the system passcode, such as banking, health, or privacy-focused applications.
Developers choose TOPasscodeViewController for its flexibility in passcode types, customizable themes, and delegate-based validation, allowing full control over security implementation while providing a polished, native-looking UI.
A modal passcode input and validation view controller for iOS
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Supports 4-digit, 6-digit, custom numeric, and alphanumeric passcodes, allowing developers to tailor security levels to their app's needs.
Offers four base themes including translucent and opaque variants with light/dark modes, enabling seamless integration with app design.
Includes built-in support for biometric validation via Touch ID, enhancing user convenience without additional implementation.
Passcode validation is delegated to the parent app, providing full control over security logic and storage, as emphasized in the security section.
The default UI closely mimics the iOS lock screen, which has led to App Store rejections, requiring custom branding and text changes to mitigate.
Developers must implement passcode hashing, storage, and validation themselves, increasing development overhead and potential security pitfalls.
Carthage support is 'coming soon' and not yet available, forcing reliance on CocoaPods or manual integration.