It has now been removed from the US App Store (but is apparently still accessible in the Belize App Store) but since it was posted on 14 April, it is estimated by Mobile analytics firm Sensor Tower to have made around $80,000 a month.
Cook also told the developers that Apple has reduced the time it takes to approve each app for sale in their store to as little as 24 hours.
Coombs goes on to say that users will always be given the choice between "Never, When in Use and Always" when the app is first used, so you can have your Uber and uh, eat it too.
Apple's newly published update to its App Store policies officially designates tipping to content creators as in-app purchases, with Apple keeping 30 percent of the revenue as commission.
This is set to hit the massive tipping economy in China where users pay content creators small sums of money via digital wallets.
The app review prompts will no more annoy the users as Apple have come up with a solution.
Note that during the Q1 2017 call with analysts, CEO Tim Cook said the App Store continued to rake in a lot of revenue for Apple and app developers.
Fierce clashes as US-backed force battles ISIL in Syria's Raqqa
The group said SDF forces took parts of the district of Jazra, west of Raqqa, backed by USA -led air support. He urged all parties to give safe passage to those who want to leave.
The next hiccup is an in-app offer for a free antivirus trial that brings up Touch ID for verification that also initiates a seven-day auto-renewing subscription for $99.99 a week. Unfortunately, Apple has no filter to sift through search ads as of now. It seems like scammers are bidding on many other keywords.
A developer has earned up to $80,000 per month by charging a $99 per week for a VPN product on the App Store. That was previously one of the biggest drawbacks of submitting an app review.
Lin became curious when Apple recently declared it had paid out $70bn to developers in the App Store's lifetime, and that $21bn of that was in the a year ago alone.
Apple has been notoriously opaque about its review process, which has been a source of frustration to many developers over the years.
"They're taking advantage of the fact that there's no filtering or approval process for ads, and that ads look nearly indistinguishable from real results, and some ads take up the entire search result's first page", wrote Lin.
Aside from changing its developer policies, Apple could do a lot to improve the usability of in-app subscriptions.
Apple didn't respond to Mashable's request for comment on app subscriptions or whether those who had unwittingly paid exorbitant amounts for app subscriptions would get refunds.