Plume vs TweetCaster

Allows easy switching of accounts withing the app.

Allows color-coded lists and users.

Hides a persons tweets from timeline without unfollowing them. Can also mute words and applications.

Plume has a built-in browser so you can view linked content without having to leave the application.

At the expense of more battery consumption you can tell Plume to "livestream" updates so you get notifications of events as they happen.

Embeds photo and video previews in timeline.

You can upload your picture to a selection of hosts. Among them Twitpic, Plixi, Posterous, and MyPict.me.

Embeds images in timeline.

Same application works on phones and tablets.

Allows for easy switching between different Twitter accounts within the app.

You can hide boring or inappropriate tweets by person, app, or hashtag for a selected period of time. Very useful when your followed friend starts to tweet about every single moment of a F1 race.

You can write multiple tweets in one sitting and have them appear one by one at a predefined time.

TweetCaster shows statistics about you and your friends. Who you interact with most, who is the "top tweeter".

Tweetcaster has multiple looks to choose from. In addition to themes, you can also customize the color of tweets where you're mentioned and font.