Dr Quiz

Designed for those who have older analogue oscilloscopes but have no onscreen measurement capabiliti

***The PRO version is advert free.***Designed for those who have older analogue oscilloscopes but ha

**THIS WILL ONLY WORK FOR DEVICES THAT HAVE A MAGNETICS SENSOR** Use your phone's built-in magne

**THIS WILL ONLY WORK FOR DEVICES THAT HAVE A MAGNETICS SENSOR** CALIBRATE YOU PHONE FIRST BY HOLDIN

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JOIN DR. QUIZ on his quest to solve riddles through the Jungle, Ocean and Desert. ★FEATURING HUNDRED