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Sonar Ruler

By Laan Labs

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Description

Checkout our latest app iVideoCamera - it lets any iPhone record videos with effects for 99¢!!! Search for "iVideoCamera" now!

Sonar Ruler is a winner in the Best App Ever Awards - "Most innovative use of iPhone hardware" category!

The Amazing New Sonar Ruler is an experimental app that uses echoes to measure distances with your iPhone!

* It uses the same principles that dolphins use to find food! *

It sends a short pulse from the speaker and measures how long that pulse takes to bounce off of something and return to the phone. It then estimates how far away you are.

>> Impress your friends with what this unique app can accomplish using only an iphone! <<

Ϟ GIZMODO.com:
"that's a damned neat trick for a phone to be able to do."

Ϟ Currently the number one app in Denmark! Heck yes!

Features:
* Sonic distance measurement up to 60 feet
* Set Units to feet, inches, or meters
* Custom saved settings for measuring in different environments

If you're a teacher, this app is a great way to teach students the principles of sonar, and how sound propagates through air.

** Watch a demo video here: http://bit.ly/sonarvideo

** German/Japanese subtitles here: http://bit.ly/sonarvid

Enjoy!

Follow us on twitter @laanlabs


*This is an experimental app, although it can be quite accurate, any measurements taken should be verified before using them.

iPhone Screenshot

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Customer Reviews

Could not get it to work at all

I read a bunch of reviews, both good and bad and was fully aware of the fact that this app really falls into the experimental category. But the idea is exceedingly cool and this particular app seemed to be the one to get. As per the author's instructions, I viewed the instructional video and read all of the documentation twice. Nonetheless, I was unable to get the app to work at all. It never gave me an accurate measurement even once. In fact, it never really gave me any measurements at all that were not just noise. Undeterred, I read the docs again and attempted to do a manual configuration of the app. Unfortunately, if you're lucky enough to find the information on the "custom" calibration for the app, the docs are obtuse and don't really explain what the settings in question really do. As a last resort, I contacted the author through the contact link on their website (which contains almost no information about the app itself). It's been two weeks now with no response whatsoever. I'm sure this sort of technology for the iPhone will improve over time, but at the moment neither the app or the company are ready for prime time.

This ruler is very accurate

To all those people who have first gen iPhones leaving 1-star reviews: THIS APP ISN'T MADE FOR YOUR PHONE!! The first gen iPhone's microphone isn't nearly as good as those in the 3G and 3GS. It is not as sensitive to various frequencies.

I moved into a new apartment a few days ago and this app has worked great. It measures rooms to within a couple inches, which is good enough for positioning furniture. I checked the values with a real tape measure. My wife is amazed. Just make sure you watch the intro video to calibrate your device before using and you're good to go.

What these developers were able to achieve on the iPhone really demonstrates the capability of this platform while also capturing the spirit of innovation that, in my opinion, is what make Apple products great. Their drive and determination to do the seemingly impossible is amazing to me. My freaking cell phone is now a tape measure. For real. Like a bat or dolphin. It's insane. I love science.

works as advertised

This app works as advertised. It has surprising accuracy at around +/- .5" or better. There are a lot of options, but it is surprisingly easy to use. Very little adjustment is needed for most measuring. The interface is good, but some components (sliders) could stand to be larger for easier manipulation. To get good measurements, all you have to do is place the orange dot at the peak of the wave, and locate the blue dots around the larger portions of the wave. Some adjustments are needed to measure thing that are very close (under 1 foot). The most difficult part is analyzing the results and throwing away the measurements that aren't correct. The correct one tends to stay steady, while the phantom results come and go. Overall, the app is quite an amazing utilization of the iphone hardware.

Sonar Ruler
View In iTunes
  • $0.99
  • Category: Utilities
  • Released:
  • Version: 1.0
  • Size: 10.3 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 2.1 or later. Compatible with iPhone.

Customer Ratings

Current Version: