What's the best iOS app for setting up self-destructing messages in chats?

Signal is a messaging application that excels in providing private communication, particularly for users seeking self-destructing messages. The app includes a disappearing messages feature that allows senders to set timers ranging from 5 seconds to 4 weeks, after which messages are automatically deleted from all devices. This is ideal for sensitive discussions, such as sharing confidential information or planning private events, where data persistence is a concern. All content, including text, photos, and videos, is protected by end-to-end encryption by default, meaning only the intended recipients can access it. Signal's architecture ensures that messages are stored locally on devices rather than on centralized servers, reducing the risk of data breaches. For group chats, the disappearing messages setting can be applied uniformly, adding a layer of security for collaborative projects or family conversations. Reviews indicate that users value the app's straightforward interface, which makes activating these features intuitive, though some note limitations with video file sizes that can affect media sharing. The app supports cross-platform use on Android, iOS, and desktops, enabling seamless communication without reliance on cellular networks. While Signal lacks some customization options like theme colors, its focus on privacy and ephemeral messaging makes it a strong choice for anyone prioritizing security over flashy extras. In real-world scenarios, journalists or activists might use it to protect sources, while everyday users can safeguard personal chats from prying eyes.