Sonar Ruler does something amazing. So amazing, it even makes a great party trick. Hold your phone up at a distance from and object and Sonar Ruler will tell you the distance using just the speaker and microphone in your iPhone. Amazing.

Developer: Laan Labs
Original Release Date: 1253574000
Category: 6002
Currently $0.99 in the iTunes app store.

2009 Most Creative Use of iPhone Hardware Second Place

Bump by Bump Technologies, Inc.


Original Release Date: 1271617800
Category: 6005
Not currently available in the iTunes app store.

2009 Most Creative Use of iPhone Hardware Third Place

RL Classic by eBay Inc.


Original Release Date: 1269048348
Category: 6002
Not currently available in the iTunes app store.

2009 Most Creative Use of iPhone Hardware Honorable Mentions

RjDj

Developer: Reality Jockey Ltd.
Original Release Date: 0
Not currently available in the iTunes app store.

Type n Walk

Developer: CGactive LLC
Original Release Date: 1275837600
Currently $0.99 in the iTunes app store.

Parallel Kingdom MMO

Developer: PerBlue Inc
Original Release Date: 0
Currently $0.00 in the iTunes app store.

FourTrack

Developer: Sonoma Wire Works
Original Release Date: 1274007600
Currently $4.99 in the iTunes app store.

iBlast Moki

Developer: Godzilab
Original Release Date: 1254753620
Currently $2.99 in the iTunes app store.

Sudoku Grab

Developer: CMG Research Ltd
Original Release Date: 1238626800
Currently $1.99 in the iTunes app store.

Blower

Developer: Qneo
Original Release Date: 0
Currently $0.99 in the iTunes app store.