New Delhi, Dec. 13 -- Google has quietly introduced a new feature in the Gmail mobile app that aims to help users regain control of inboxes crowded with newsletters, promotional messages and marketing emails, earlier this year.

Called Manage Subscriptions, the tool gathers all active mailing lists in one place and allows users to unsubscribe with just a few taps. The feature is now available on both Android and iOS in select countries.

Google first announced Manage Subscriptions earlier this summer, saying it would roll out gradually across mobile and web platforms. Many users appear to have noticed it more recently, coinciding with a surge in promotional emails during major shopping events such as Black Friday.

Rather than deleting me...