Squid has been a trusted note-taking app for over 12 years, with more than **12 million downloads**. The app allows users to write naturally as if on paper, which is for students and professionals alike. With its **low latency ink**, users can enjoy a writing experience on various devices, especially those with stylus support.

The app's PDF markup feature is a standout, enabling users to annotate documents easily. However, the free version does come with limitations, which may frustrate users looking for extensive functionalities. While the **premium version** offers additional tools, such as advanced export options and extra paper backgrounds, some might find the basic features sufficient for their needs.

One of Squid's strong points is its commitment to user privacy, as notes are stored locally on the device without requiring an account. Yet, this also means that users miss out on cloud syncing unless they opt for the premium upgrade. Overall, Squid is a in the note-taking space, especially for those who prioritize a natural writing experience.