TECH CRUNCH - Feb 27 - As subscriptions continue to grow into a sizable revenue stream for mobile app developers, Apple issued stricter guidelines around how subscriptions are to be presented to consumers, and it made the setting for canceling existing subscriptions more accessible. Now, Apple is rolling out new tools for developers that will help them retain their current customers. Apps with auto-renewable subscriptions will soon be able to offer their subscriptions at a discounted price for a specific period, as a means of growing and retaining their customer base. To create the offers, developers have to download the latest Xcode 10.2 beta and will need to implement the new StoreKit APIs. Apple said the offers will be made available to the public soon.