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  • #: 220786
  • Price: $0.99 In Apple Store
  • Category: Reference
  • Updated: 2010-03-03
  • Current Version: 1.1
  • 1.1
  • Size: 0.70 MB
  • Language: English
  • Seller: Rolf Assfalg
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later
  • © 2010 - Rolf Assfalg
  •  Add to Favorite apps



* Please * Please * Please

For those, who gave me only one "*": It's for iPhoneGS OS-Version 3 only (Update to Version 4 coming soon!) - The program is an outdoor-application. You need a proper GPS-signal and a good network-connection!!! -

* Description

WorldViewer is an * augmented reality navigation explorer * for the iphoneGS. - Start the program, hold your iPhone transversely and let the camera take a look at your surrounding. Turn yourself and you virtually will see relevant points of interests (linked to Wikipedia articles) in within 6 miles. The red marker shows the location of a point of interest. The yellow buttons are their labels and can be clicked. When you click at them, a window appears, where you can read Wikipedia articles about the current point of interest. A map function shows you the exact location.

This program depends on the iPhoneGS build in compass- and GPS-Signals. You virtually can see what there is behind a wall or a building.


- Camera image overlaying markers for points of interests from Wikipedia

- Labels (yellow) are clickable.

- Markers (red) become bigger, when the points of interests are nearby

- Altitudes of points of interests are considered

- GPS altitude correction is considered

*Please consider:

The reception of GPS signals is a bit vulnerable to failures in massive buildings, in cars, trains on board of ships or aircrafts. Near cars, boats, heaters, and other bigger iron objects, the compass signal from the iPhoneGS will be interfered. Please avoid buildings and metal objects within a radius of a few yards. This program can only be as good as the signal from GPS and the build-in magnetic compass: In case of minor compass deviations, you can adjust the bearing with the slider at the bottom on the right side.

*Older iPhones

For older iphones (first generation and iPhoneG) without a compass, you use the slider at the right bottom to directly setting the direction of looking.

*Big city: Many points of interests

If you've got too many points of interest, try to reduce them by getting down the slider on the left side where you can vary the radius of vision from 6 miles (default) to 0.

*Car mode:

If you use the program in a moving vehicle, the heading information will be taken from GPS instead of the compass. The threshold to detect movement is a velocity of 3m/sec. In case of that, you should hold the device into direction of movement. For instance, take a rubber band and fix your iphone at your cars rearview mirror for instance. Pull the slider at the right bottom at 2/3 to right for bearing correction.

iPhone Screenshots

WorldViewer iPhone Screenshot 1
WorldViewer iPhone Screenshot 2

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Rated 3/5 based on 3 customer reviews.


5/5 stars

works exactly like the screen shots

3GS ONLY....

Works perfectly on my 3GS. Very cool app. Pretty ingenious if you live in a city.

0/5 stars

Junk !!!

After update, app is not working at all!!
Loading... Loading... forever.
Just a piece of junk!!!

5/5 stars

freakin' sweet

this app is awesome, worked perfect on my 3g, and after i saw how it worked on a friend's 3gs i just had to upgrade my iphone so i could enjoy it even more


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The information may be outdated (2011-04-27 22:57:18). For actual information go to iTunes

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