India, Jan. 30 -- WhatsApp is developing an optional subscription plan that could give users access to added tools and control options within the app, according to reports. The feature is still under development and may arrive in a future update, though the company has not confirmed a launch date.

A report by WABetaInfo says the planned subscription will focus on customisation and usage controls. Users who opt in may get access to a wider set of stickers, new app themes, and extra chat ringtones. The plan may also allow users to pin more than three chats at the top of their chat list, which is the current limit.

The report adds that WhatsApp is testing options to change the app icon. Users may be able to choose from multiple icon design...