Performance · Worldwide
Downloads & Revenue estimates
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Rating · WW
1.9★
528 ratings
Chart position
Apple's Top Grossing chart — all apps ranked by revenue (purchases + subscriptions).
Ratings count — US
Not enough history yet.
Listing
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 a
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