A crypto signal app is a mobile application that provides users with real-time trading signals and market analysis for various cryptocurrencies. The app typically integrates with popular cryptocurrency exchanges, allowing users to receive instant notifications when certain market conditions are met, such as a specific currency reaching a certain price point or breaking out of a specific trading range.

These signals can be generated by sophisticated algorithms or by experienced traders who analyse market data and technical indicators to identify potential trading opportunities. The app may also provide users with educational resources and tools to help them better understand cryptocurrency trading and investing.

Some crypto signal apps may provide a free version with limited features, whereas others may require a subscription or payment for access.