Nightwatch is an Android app that lets you monitor your glucose levels easily. Developed by Markus Källander, it is designed for usage at night with its dark UI, large readings, and buttons. The app falls under the Lifestyle category and is a part of the Health & Fitness subcategory.

With Nightwatch, you can monitor your Nightscout glucose levels on your Android phone or tablet. The app provides an easy-to-use interface that displays your glucose levels prominently, making it easy to keep track of your readings. The app is free to use and doesn't require any additional purchases.

Overall, Nightwatch is a great app for anyone looking to monitor their glucose levels on their Android device. Its dark UI and large readings make it easy to use at night, and its simple interface makes it easy to keep track of your glucose levels. If you're looking for a reliable glucose monitoring app, Nightwatch is definitely worth checking out.