The latest OS X release, Tweetbot 2, is a welcome update with a more appealing design, but it still has some room to grow to feel polished and fully up to date. Given Tapbots' ongoing development on both platforms, it's easy to see where things are going, but they can't get full marks for this version without further revisions.
I've been a long-time Tweetbot user, though I've tried other third-party clients for Mac and iOS before and after Twitter's policy change made it infeasible for developers without established user bases to create a business on new ones. I've stuck with it because I live in its timeline view and prefer to see single messages that I can drill down for conversations. Others may like Twitter's native client or other apps that shows threads in the Home or timeline view.
Those who, like me, use the iOS version will find the new OS X release has become a close replica, which is nice when moving between platforms: everything is in the same place. But one could call version 2 mostly a design and maintenance release, even though a lot of work clearly took place behind the scenes. Existing owners pay nothing for the upgrade; new buyers will be happy with a reduced $13 price tag (down from $20 for version 1). (One could argue that version 1 owners in effect paid $7 for the upgrade.)
Tweetbot divides Twitter in several categories more cleanly than Twitter itself now does in its own apps and on its website. Your timeline, mentions, direct messages, and items you've faved each have their own tab. Search, user profile, lists, and mutes do as well. Double click a tweet to see it in isolation with stats like faves and retweets, as well as in context if it's part of a discussion. (Replies in Twitter software that handles them correctly links multiple tweets in a series.)
An avatar appears at the top for the current selected account, and multiple accounts can be added. Each account has its own preferences set for notifications, as well as which external services are tied in for "read it later," URL shortening, image uploads, video uploads, and syncing your reading point in your timeline.
Tweetbot supports multiple columns, each of which can follow a separate stream, yet I've never found its approach particularly effective; most people I know who need multiple streams use (and swear at) Tweetdeck, owned by Twitter.
In version 2, the user interface has been updated to the Yosemite (and now El Capitan) feel. Every element is crisper, and works better with Retina displays. I do find the controls in each message for reply, retweet, fav, share, and miscellaneous to be a bit too small in this release. And when a tweet is faved, its star overlaps the time stamp showing how long ago the tweet was made.
In this update, you can opt to show a verified account blue checkbox directly on avatars, which themselves can be shown framed as squares or circles. Twitter has its own logic about which accounts receive verification (mostly athletes, celebrities, and journalists, including the Macworld staff), but it can be useful in following news to know at a glance whether or not someone's identity has been double-checked.
Retweets now show a shrunken avatar of the person sharing the message, which can again help in deciding whether or not to pay attention to it or follow links.
Numerous small problems in this release need to be fixed for consistency, usability, and aesthetics. When clicking to view an image, a window appears that's better formatted and has more options in its Share menu than Tweetbot 1, but it also cannot be resized. Tweets with multiple images allow no way to show all images without clicking them one at a time. Tweetbot still doesn't support viewing videos or animated GIFs inline or through an in-app pop-up window, and instead opens a browser window.
While you can easily opt to not include your current location, in the previous release this was signaled by a grayed-out Apple-style location icon in a new tweet dialog. In this release, that icon is accompanied by a large lozenge that reads Location Disabled, which seems like too much negative information--how often do we need to be told that strongly what we're not doing
Every view in Tweetbot allows searching within downloaded tweets in addition to a Twitter search tab, but there's a problem with focus: after entering a search term in version 1, you could press Escape to clear it and show all messages in the view. In version 2, the focus leaves the field, requiring a click and then Escape.
There's a lot to like, though. In the previous version if you were composing a tweet and wanted to navigate through other parts of the timeline or other tabs, you had to first drag the fresh tweet to disconnect it. Now, all new tweets are freestanding, which is a nice improvement.
New tweets can have images and video added through the gear menu's Add Image and Add Video items, but you can also drag them in. Handy in connection with the new Photos app, which is more painful to export and drag images out than iPhoto, is this sequence: select an image in Photos, choose Edit > Copy, and then in a new tweet window simply paste to queue it to upload with the tweet.
I've been partial to Tweetbot's mute options, which are separate from the global mute feature that's part of Twitter's main settings. (There's no interface for those mutes within Tweetbot.) You can mute by hashtags, keywords, or accounts, and set expirations from 1 day to Forever. These mute lists sync across all of your copies of Tweetbot in iOS and OS X. If someone (such as me) is being a blowhard and you want to suppress them for a day or you never want to see the result of anyone's Nike fitness devices, it's a few clicks to tone down your timeline. Tweetbot 2 has improved the look of this view, adding avatars to muted accounts.
Twitter continues to roll out features and third-party developers aren't always granted access right away through the service's API (application programmers interface). Group direct messages (DMs) aren't available outside of Twitter apps and its website yet. But embedded tweets--in which a referenced tweet appears nested in a tweet--are not only available through the API, but already in a previously released major update to Tweetbot for iOS. Tapbots says this feature is coming in 2.1.
Bottom line
This review may sound generally negative, but this release is an improvement on the whole, and retains all of Tweetbot's delight and simplicity of use. Tapbots needs to polish an update to push this version further forward.