With over 100,000+ apps in the App Store, and the numbers growing fast, it’s much harder to make an impact on iPhone users in the iTunes store. Some mobile designers are spending more time designing high quality looking applications to create buzz and get recognition for their work.

Here is a list of 30 apps that are well-designed and worth their purchase from their exceptional design skills and zealous attention to detail. If you love good design, beware – you may end up spending a few dollars if you read on!

Pastebot

Pastebot is the easiest way to manage your clipboard clippings on your iPhone. It sports subtle gray gradients and ambient glows throughout the app. The designer, Mark Jardine, always makes his app icons look cute and friendly and they match well with the interface.

tapbots.com | App Store Link

Awesome Note

Awesome Note goes above and beyond the default notes application on the iPhone. Awesome Note has been featured by Apple as one of the best Apps of 2009. It’s not hard to notice why when you see the dark wood and detailed textures throughout the app that grab your attention of quality work.

bridworks.com | App Store Link

Convert

Convert took other complex converters by storm by under doing the competition and making conversions function simple like a calculator. The unit icons make it very easy to recognize what unit you are dealing with and the app icon meshed with the app perfectly.

taptaptap.com | App Store Link

Air Mouse Pro

Air Mouse Pro is a remote / trackpad app that allows you to control your PC or Mac remotely. Air Mouse Pro has a very sleek black look with subtle black gradients and large buttons, it’s simple interface hides it’s diverse features.

mobileairmouse.com | App Store Link

Outside

Outside makes checking the weather fun and exciting again. With high quality icons, background drops of the weather and overall simplicity, it makes it a worthwhile gem for your iPhone. The app icon is boasting a good looking illustrative landscape.

robocatapps.com | App Store Link

Things

Thing is a popular task manager that got famous for it’s simplicity and usability on the mac. The app icon has a 3D look to it, the app uses very subtle colors, and they use well-designed icons throughout the entire app.

culturedcode.com | App Store Link

Cellar

Cellar makes managing your wine collection sexy and worth the effort. The app uses great drop shadows and has ambient lighting almost everywhere. The details on the wine bottles and glasses is exceptional and hard not to notice.

cellar-app.com | App Store Link

Rebate Tracker

Rebate Tracker tracks those pesky mail-in rebates we all love to hate but somehow seem to accumulate and lose over time. The app uses a nice wood background, drop shadows, lighting, and detailed elements to bring realism to the app.

reactivegears.com | App Store Link

Groups

With Groups, you can manage your contacts easily with this great looking tabbed interface. A wide range of colors makes the app interesting and eye catching. The icon is 3D and easy to distinguish in the store.

guidedways.com | App Store Link

Ego

Ego lets you stroke your ego by tracking your site, social, and feed statistics. They use a nice blinging icon and we know how people love shiny things. The app uses a variety of colors and has a trendy background that’s grown in popularity in the store.

ego-app.com | App Store Link

Tea Round

Tea Round is Russian roulette for those wanting to sort out who fetches the tea at the office for the day. The design elements used in the app are gorgeous and subtle detail like the steam, make it a real winner.

tearoundapp.com | App Store Link

Classics

Classics brings some of those favorite classic books a couple taps away on your phone. Page flips make you feel like you are dealing with a real book and the nice cream color is easy on the eyes. The sexy icon makes me wonder why I don’t have these books on my shelf at home lined up like this.

classicsapp.com | App Store Link

Night Stand

Night stand brings an alarm clock in an assortment of different skins. The quality skins make this app feel at home on your night stand. The icon is pretty self explanatory, which is always nice in an app.

spoonjuice.com | App Store Link

Delivery Status Touch

Delivery Status Touch helps keep track of those packages that you’re expecting in the mail. The app uses nice subtle gradients in a table-like structure with a variety of unique colors. The icon resembles a 3D package and makes you giddy knowing your new item(s) will be showing up soon.

junecloud.com | App Store Link

Facebook

Facebook is probably one of your favorite social networks and it’s easy to see why. Facebook pays attention to detail and uses it’s notorious blue color so people can recognize it. It has some great detail in the icons and resembles very closely to the actual web site in terms of functionality.

facebook.com | App Store Link

Convert Bot

Convert bot is another useful convert utility from the tapbots crew. The app icon matches the interface well and it uses those subtle gray gradients and dark drop shadows that they are known for. The unit icons are easy to make sense of too.

tapbots.com | App Store Link

Jamie Oliver

The Jamie Oliver app has 55 recipes and is designed to help you cook some delicious meals in 20 minutes or so. They use a darker wood and have great paper textures throughout the app. The fonts and colors go very well together and makes the app seem user friendly.

jamieoliver.com | App Store Link

Tweetie 2

Tweetie is a popular Twitter client on the Mac, and Tweetie 2 is the mobile app that continues it’s legacy. Blue glows and subtle details like the favorite tweets star make the app feel polished and functional. The app icon is simple and effective at displaying a sexy chat bubble.

atebits.com | App Store Link

Twitterrific Pro

Twitterific Pro is another game changing Twitter client for the iphone. Just from the app icon alone, you can see the detail like the feathers, which really makes the app stand out in the store. The great use of dark pixel work, shadows, and glows makes the interface jump out and a pleasure to use.

twitterrific.com | App Store Link

Beats

Beats combines a BPM counter with an advanced DJ metronome. The icon looks sharp and identical to the interface. The use of diagonal lines and purple colors makes this app stand out among the other apps in the music category. The dial pad / turn wheel looks very realistic and makes you feel like you have a nice stereo system at your finger tips.

bjango.com | App Store Link

Hipstamatic

Hipstamatic brings back an analog look to your digital photographs. The camera, lenses, and flashes in the icon and interface have great detail. The overall interface has a very grungy look, which is very different from other apps in the store.

hipstamaticapp.com | App Store Link

Voices

Voices is a nice voice morphing app that brings some silliness to your iPhone. The icons in the app have a lot of detail and provide some cool characters to the app. The red carpet and wood are great looking and make you feel as if you are on stage as you tweak your voice to your hearts content.

taptaptap.com | App Store Link

Groceries

Groceries is a nice looking grocery shopping list app. The cork looking background and paper provide realism. The detailed app icon features quality soup cans, which is sure to catch some lookers who are in need of an app to track their groceries.

sophiestication.com | App Store Link

iHandy Level

iHandy Level is probably one of the sexiest leveling tools in the App Store. With it’s great use of realistic wood and brushed metal, along with a detailed bubble. There is no wonder why I no longer need a leveling tool from the garage anymore.

ihandysoft.com | App Store Link

Where To?

Where To? is a point of interest app that allows you to easily find restaurants, banks, etc. The app uses a great black turn wheel with a blue glow for highlighted items. The app uses a leather texture, which is a change from the many types of wood textures other apps use. The app icon is easily recognizable too if you are familiar with exit signs on the roads.

futuretap.com | App Store Link

Time Tuner Radio Alarm Clock

TimeTuner is a full-featured radio alarm clock. It uses more muted looking colors with a nice looking scale for a sleep timer to mix it up over other apps. The app icon serves as both a clock and depicts radio waves, which is subtle but recognizable.

dreamsurface.com | App Store Link

I Am T-Pain

The I Am T-Pain app is a voice recorder which uses the popular auto tuner effect from T-Pain. Although the icon isn’t that fancy, it does make good use of curtains, lighting, a grungy texture, and a good looking ticket stub that makes you feel like you are a V.I.P at the show.

smule.com | App Store Link

Ghostly Discovery

Ghostly Discovery is a mood-based radio station, which helps you discover songs based on your mood. It has some great looking dial knobs. The color wheel looks great on the dark gray background and the icon is different enough to easily be remembered.

o2creativesolutions.com | App Store Link

Reeder

Reeder is an RSS feed reader, which syncs with your Google Reader account. The app icon looks great with a hint of orange and the popular RSS bars. I think what makes it great is the simplicity of the app using a gray color. With tiny little icons representing the news source and it’s ability to focus on the content, it make the app stand out from other bloated readers.

reederapp.com | App Store Link

My Desk

My Desk is an app you can fill up like your desktop at home or work. The app makes great use of different graphical elements and has a nice looking backdrop shadow. Other textures are used throughout the app to provide some variety for your eyes.

metabrain.com | App Store Link

Share Your Favourites

Do you use an application that you think is particularly well designed? Feel free to share in the comments!