The Pro version is a paid upgrade that removes ads and unlocks specialized tools not found in the free version:
The safest way to use the application is through authorized app stores. The one-time cost is approximately . Electrodoc Pro - Apps on Google Play Download Electrodoc Pro build 5101 Mod apk
: SMD Package sizes, 7400 series ICs, World Plugs & Sockets, and Table of Resistivity. The Pro version is a paid upgrade that