The mixture of touchscreen technology with features like GPS and
impressive on-board cameras makes the iPhone a virtual playground for
clever developers with a novel idea.
Today we’ve compiled five crazy things you can do with your iPhone using various apps. Several of these apps seem too good to be true but they all work exactly as advertised. Intrigued? Read on!
To accomplish this feat, the app takes advantage of both the camera
and the bright LED on the back of your iPhone 4. First, you cover the
light and the camera with your index finger. The light then illuminates
your finger so that the camera reads that reddish color that results
when you stick a flashlight up to your finger.
Here’s where the magic happens. As blood is pumped into your finger, the hue pulses. The camera reads this pulse and uses it to measure your heart rate! Pure voodoo right? Perhaps not. I tested the app on myself a few times and consistently came up with a measurement around 70BPM, which I confirmed by taking my own pulse manually. Then I got up and ran around for a while and used the app again, over 100BPM this time. As crazy as it sounds, it seems to work!
Now, many commenters note that they can get readings from every day items such as ketchup bottles, but this doesn’t prove anything. If you consider that the app reads pulses in color, pointing your camera at something red combined with camera-shake would produce a similar result. This proves that you can trick the app, but not that it doesn’t do what it claims.
Enter Genius Scan. With this app you can quickly snap a shot of any document without really thinking about how properly aligned it is on your screen.
Genius Scan will automatically detect the edges of the document and allow you to quickly skew the perspective so that you get a perfect shot every time.
You can save your documents as a PDF or JPG and even share them over Wifi for quick access from any computer.
Aim@ is a $0.99 application that pulls this seemingly impossible task off pretty well. By telling the app how tall you are and holding your phone at arm’s length, you can use your phone’s camera and a series of taps at strategic points to make approximate measurements.
I’ll warn you in advance, this app does work, but it’s a little
quirky. If you’re not good at following directions, you’ll never get it
to work. If you are reasonably patient, the app walks you through the
specific processes for taking the height and width of an object, or even
the distance from you to it. In my tests, when I didn’t screw up, I
usually came within an inch or two of the actual size of the object.
3D Camera does exactly that. You take one photo, move over a few inches, snap another, then combine them to create a three-dimensional illusion.
3D Camera gives you three different options for viewing the resulting
3D image. The first is an anaglyph, which you can view with your
typical cheap pair of red/cyan 3D glasses, a stereogram, which works
just like the old Magic Eye
images (no glasses necessary), and a wigglegram, which simply changes
from one image to the next quickly to simulate a 3D effect.
If you’re still confused and/or skeptical, check out the online gallery of images.
Apple’s Find My iPhone app allows you to track the location of any iOS device using a web browser, another iPhone or even an iPad. So if I take too long at the grocery store, my worrisome wife can pull my position (or at least that of my phone) up on our iPad to see if I’m lying dead in a ditch or merely made a pit stop at the Apple Store yet again.
Today we’ve compiled five crazy things you can do with your iPhone using various apps. Several of these apps seem too good to be true but they all work exactly as advertised. Intrigued? Read on!
Monitor Your Heart Rate
I was sure that this app was completely bogus when I first saw it, but after a quick trial run, it seems pretty convincing. The Heart Fitness app claims that it can effectively monitor your heart rate using only your iPhone. How in the world is that possible?
Heart Fitness
Here’s where the magic happens. As blood is pumped into your finger, the hue pulses. The camera reads this pulse and uses it to measure your heart rate! Pure voodoo right? Perhaps not. I tested the app on myself a few times and consistently came up with a measurement around 70BPM, which I confirmed by taking my own pulse manually. Then I got up and ran around for a while and used the app again, over 100BPM this time. As crazy as it sounds, it seems to work!
Now, many commenters note that they can get readings from every day items such as ketchup bottles, but this doesn’t prove anything. If you consider that the app reads pulses in color, pointing your camera at something red combined with camera-shake would produce a similar result. This proves that you can trick the app, but not that it doesn’t do what it claims.
Scan Documents
You know that your iPhone has a camera on it, so it’s no surprise that it can take a photo of a document right? The problem with this though is that a handheld camera is a far cry from a flatbed scanner. Holding your phone perfectly level isn’t easy, even if you can pull it off, it’s still a hassle.Enter Genius Scan. With this app you can quickly snap a shot of any document without really thinking about how properly aligned it is on your screen.
Genius Scan will automatically detect the edges of the document and allow you to quickly skew the perspective so that you get a perfect shot every time.
Genius Scan
Measure Almost Anything
You’ve seen measuring apps that simply place a ruler on your screen, which are great if you need to measure anything less than a few inches, but what if you want to measure an entire person or even a tree? For this feat you’ll need something more.Aim@ is a $0.99 application that pulls this seemingly impossible task off pretty well. By telling the app how tall you are and holding your phone at arm’s length, you can use your phone’s camera and a series of taps at strategic points to make approximate measurements.
Take 3D Photos
This is another app that sounds like it’s more gimmick than reality, but it actually works! In fact, the technology really isn’t that amazing if you think about it. Your two eyes work together to help you perceive depth. By taking two photographs at slightly different positions, you can mimic this functionality.3D Camera does exactly that. You take one photo, move over a few inches, snap another, then combine them to create a three-dimensional illusion.
3D Camera
If you’re still confused and/or skeptical, check out the online gallery of images.
Spy On Your Spouse
Tracking someone’s every move is a myth taken straight from spy movies right? Today’s modern GPS technology actually makes it quite easy. In fact, I recently showed my wife how to keep track of me when I’m out. Luckily I’m a pretty trustworthy guy!Apple’s Find My iPhone app allows you to track the location of any iOS device using a web browser, another iPhone or even an iPad. So if I take too long at the grocery store, my worrisome wife can pull my position (or at least that of my phone) up on our iPad to see if I’m lying dead in a ditch or merely made a pit stop at the Apple Store yet again.
Find My iPhone
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