The folks behind News.me announced that they’re closing their iOS App Store(s appl) doors on Wednesday, directing attention away from their curated news app on iPhone and iPad and re-directing focus on Digg curation. They say it’s a direct result of Twitter’s increasingly stringent third-party guidelines and competition with developers in the curation space.

In other words, another Twitter app bites the dust.

“Here’s what it comes down to: we don’t want to invest time and energy into an application that competes with a platform on which it relies,” News.me wrote on its blog.

The company said it will continue to support existing apps that users have downloaded, but it will no longer be available in the App Store. It explained that new display guidelines from Twitter announced this summer meant News.me would either have to devote considerable efforts to make its app compliant, or it would have to…