iPad

For those times when you need to think about video file sizes and formats, this iOS app can be a big help.

If you think the built-in Calendar app on your iPhone or iPod touch falls short, you might want to give this streamlined app a try. While Calvetica's alternative interface may be jarring at first, a lot of thought has been put into streamlining the pr...

This app offers a simple look -- perhaps too simple for some users -- at your daily budget. It's an easy way to get a quick visual reminder of how much you're spending on a given day.

The variety of filter choices available in this universal image-editing app -- and the results they produce -- will impress you, even if the sheer volume of choices can be a little overwhelming.

If you send the same SMS messages over and over again, or if you have a large group of people that you occasionally message, Canned can be a helpful, familiar-feeling time-saver.

This iPad app, which lets you view your Tumblr dashboard, provides a very easy way to interact with the blogging platform, provided you're willing to accept some interface compromises.

This hybrid app delivers impressive-looking photos to whatever iOS device you happen to use. But the overall user experience needs some improvement to differentiate it from what you can get on the Web for free.

Instagram's simple photo editing features and social networking capabilities make it a fun tool for iPhone-wielding photobugs.

It might lack the polish of other Twitter clients, but this iPad app puts the core features of the microblogging service front and center, while making other new and unique tools quickly accessible.

This app harnesses the iPhone's built-in GPS capabilities to make it simple to record location data for photos you've captured with another device. iPhone - Global Positioning System - Handhelds - Smartphones - GPS

This novelty image editing app lets you impose your face (or the faces of friends) onto older pictures. It's a clever image-editing tool that's good for a few laughs. iPhone - Smartphone - Handhelds - IpodTouch - App Store

It's not surprising that people would look for an alternative to the iPad's built-in Notes app, and HelvetiNote's clean design is certainly appealing. But before you commit to the app, be aware of its shortcomings. IPad - HelvetiNote - Games - App...