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Vine users can now send video or text messages to anyone listed in their Contacts app, or to other Vine members. To send messages via the Vine app, just select the “Messages” option in the Settings menu or tap the Message button on a person's profile.

The new "VM" feature only offers the ability to start one-to-one conversations, not group chats. However, you can send as many video messages as you want, you just have to start separate conversations with each contact. Like Facebook, VM also includes two inbox options: The first option is for people you know, and the other is for "people outside your network". You can disable the option to receive messages from strangers by turning off the "Other Inbox" feature in your Settings menu.

This week's big stories revolved around the return of one popular app to the Apple App Store and the death of another. Flappy Bird developer Dong Nguyen, announced on Twitter that the mobile game sensation will eventually make a return to the App Store but "not soon." Meanwhile, Twitter pulled its #Music app and told current users it will only continue to work until April 18. Besides the possible rebirth of an old app, and the demise of a high-profile app, it was a slow week for App Store news and releases.

Here are this week's most noteworthy App Store and Cydia releases (03/16/14 to 03/22/14). Apple's Free App of the Week is Ridge Racer Slipstream. The game will be free on the App Store until 03/27/14.

Not to be outdone by Instagram, Twitter has added photo filters to its iOS app. Twitter version 5.2 brings eight different filters, the ability to crop and scale images, and an easy to use grid view for finding the best looking filters for your photos.

Earlier this month, Instagram decided to disable the ability to properly display images on Twitter. Twitter users are now forced to visit Instagram’s website to correctly view images posted via the Instagram app. Instagram’s chief executive, Kevin Systrom said in an interview: “We’ve decided that right now, what makes sense, is to direct our users to the Instagram website".

The makers of Tweetbot reassured their users that Twitter's new rules for developers won't affect Tweetbot for Mac or iOS devices.

Twitter made it harder for third party clients by announcing stricter guidelines about how the Twitter API is used. Paul Haddad broke down the API changes and what the mean to Tweetbot on the Tapbots blog.

Haddad said Twitter's required authentication on every API endpoint won't affect Tweetbot, and could possibly be helpful.

"The new rate limits that are part of the v1.1 API will likely end up being a good thing, instead of having a fixed block calls that can be made across the entire API the limits will be based on specific actions. We actually expect this to minimize the chances of being stuck in 'Twitter Jail'."

Twitter is about to get a whole lot better on the iPhone. The app has had a tough time keeping iOS users happy, but all of this is about to change. Details of new features coming to the upcoming 4.3 update have leaked on the redesigned iOS 6 App Store. 9to5Mac uncovered the list of improvements in the Twitter Update History.

The list shows us a glimpse into the future of Twitter on the iPhone. One of the major enhancements deals with push notifications. Not only can you receive notifications when particular people post tweets, you can also receive unobtrusive Twitter notifications while using the app. There are many more improvements and bug fixes on the way.