Replacing physical tools with free smartphone apps

Genius Scan - PDF Scanner
https://play.google.com/store/apps/details?id=com.thegrizzlylabs.geniusscan.free
https://itunes.apple.com/us/app/genius-scan-pdf-scanner/id377672876?mt=8

Compass
https://play.google.com/store/apps/details?id=com.gn.android.compass
https://play.google.com/store/apps/details?id=software.gn.compass.pro
https://itunes.apple.com/us/app/compass/id520985073?mt=8

Bubble level
https://play.google.com/store/apps/details?id=net.androgames.level
https://itunes.apple.com/us/app/ihandy-level-free/id299852753?mt=8

Super-Bright LED Flashlight
https://play.google.com/store/apps/details?id=com.surpax.ledflashlight.panel
https://itunes.apple.com/us/app/flashlight-o/id381471023?mt=8

Sound Meter
https://play.google.com/store/apps/details?id=kr.sira.sound
https://itunes.apple.com/us/app/digital-sound-meter-free/id333185568?mt=8

Smart Measure
https://play.google.com/store/apps/details?id=kr.sira.measure
https://itunes.apple.com/us/app/easymeasure-measure-your-camera!/id349530105?mt=8

Metal Detector
https://play.google.com/store/apps/details?id=kr.sira.metal
https://itunes.apple.com/us/app/metal-detector-free/id333259405?mt=8

Universal TV Remote
https://play.google.com/store/apps/details?id=com.Sandpiper.SamyGoRemote
https://itunes.apple.com/us/app/dijit-remote-tv-guide-netflix/id391065642?mt=8

Swiss Army Knife
https://play.google.com/store/apps/details?id=com.digital_and_dreams.android.swiss_army_knife

Smart tools
https://play.google.com/store/apps/details?id=oasisllc.smart.tools
Advance ToolKit
https://play.google.com/store/apps/details?id=com.smart.toolkit.gadgets
Tools Box Smart Free 100%
https://play.google.com/store/apps/details?id=com.student.studio.app.smarttoolbox
My Distance Meter
https://play.google.com/store/apps/details?id=com.shield.my_distance_meter
Distance Meter
https://play.google.com/store/apps/details?id=omaeno.tools.kyorisokutei
My Sound Meter
https://play.google.com/store/apps/details?id=com.shield.my_sound_meter
My Travel Meter
https://play.google.com/store/apps/details?id=com.shield.mytravelmeter
Metal Detector
https://play.google.com/store/apps/details?id=kr.sira.metal
Unit Converter
https://play.google.com/store/apps/details?id=kr.sira.unit
Smart Mirror
https://play.google.com/store/apps/details?id=kr.sira.mirror
Smart Call Accept
https://play.google.com/store/apps/details?id=com.dungelin.smartcallaccept
Smart Unit Converter
https://play.google.com/store/apps/details?id=nav.scon
Smart Magnifier
https://play.google.com/store/apps/details?id=kr.sira.magnifier
Wifi Radar
https://play.google.com/store/apps/details?id=girsas.wifiradar
Real Speed Gun
https://play.google.com/store/apps/details?id=com.emil.myapp.speedgun
Night Vision Camera HD
https://play.google.com/store/apps/details?id=com.usefullapps.nightvisioncamera