With Surveyor, you can measure distances by placing markers on a virtual ground that is overlaid on the camera image. Surveyor locks the virtual ground to the real world so no matter which direction you turn to, the markers will always stay where it is originally placed.
The security report has shown that Surveyor is totally safe. Idea Matters designed this application that lies within the Tools category. Google Play displays that the app is rated 3.6 by its users.
Surveyor was downloaded and installed by over 100K users and the latest stable release was on Mar 14, 2013. Advertisements are a part of this application. Samsung and Sony users install the app quite often.
Get the .apk file of Surveyor 2.5.2 for free and have a look at users' reviews on Droid Informer. The installation package requires 585 KB of disk space and it works flawlessly on Android 1.5 and above.