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Camera-Augmented Compass: +Compass

Application Name: +Compass

Description: Compass with camera-augmented view for alignment

Publisher’s website: None

Cost: $0.99

Version/date reviewed: v.1.0.2  /  11-11-10

Phone/OS: Droid X / Android 2.2


Android Market link (mobile app only)
Android Market link (browser)

Note: Listed in the Android Market as “Reality+Compass”; app name on unit is shown as “+Compass” only.

The +Compass app seeks to emulate a classic “sighting compass”, with a vertical line through the display marking where the bearing value is measured. Just run the app, and point the camera until the line intersects the landmark you want a bearing value for (Figure 1):


A rough bearing can be determine by the scale at the bottom, with the exact bearing shown at the top right. You can temporarily “save” a bearing value from the menu for display on-screen, with a five-second delay to allow you to orient the compass as desired. The app works in both landscape and portrait modes.

Other issues: Biggest problem with the app is that the compass direction is magnetic, not true, and there’s no way to correct for that in the app. So you’ll have to look up the magnetic declination for your location, and manually add or subtract the value to the one measured by the app to get the true direction.

Final thoughts: Simple, but works well and is accurate. But the lack of a “true” direction option keeps it from being fully successful If that’s added in the future, then highly recommended.

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3 Responses to “Camera-Augmented Compass: +Compass”

  1. 1 TD

    Can you save a photo showing the compass direction?

  2. 2 leszekp

    No, but Imageotag (reviewed this past Wednesday) can save a photo with compass direction and more embedded in a duplicate copy of the photo.

  3. 3 TD

    thanks I will check it out.