The Xtool X-100 C is a perfect on-board key programming tool and pin code reader specialized for Ford, Mazda, Peugeot and Citroen.
 
Xtool X100 C Features:

Vehicle Compatibility:X-100 C works with four brand cars, they are Ford, Mazda, Peugeot, Citroen and DS
Bluetooth auto-reconnection: Once the Bluetooth is paired, you don’t need to input the code to pair with your phone anymore.
The device will reconnect with your phone automatically.
Connection: Connection via Bluetooth (Android and IOS)
Free update: Download latest XtoolC App with new features from Google Play or Apple Store.

X100C reads PIN CODE via dongle and does key programming via OBD2 socket with your cell phone.

Language: English, more language will be added.
Here is part of X-100C pin code reading function list, more models will be added one by one:

Auto Maker Model Year Chip Type Remarks
Mazda CX-3 2015+ smart PCF7953 ID46 
Mazda CX-3 2012+ smart PCF7953 ID46 
Mazda 2 2014+ smart PCF7953 ID46 
Mazda 3 2013+ smart PCF7953 ID46 
Mazda 6 2013+ smart PCF7953 ID46 
Mazda 2 2002 - 2013 4D ID63 
Mazda 3 2002 - 2012 4D ID63 
Mazda 5 2002 - 2012 4D ID63 
Mazda 6 2014 - 2012 4D ID63 
Ford Focus3/Cmax 2010+ - DST80+ mechanical
Ford Focus3/Cmax 2010+ - DST80+ 
Ford Kuga2 2014+ - DST80+ mechanical
Ford Kuga2 2014+ - DST80+ 
Ford MondeoMK4/SMax facelift 2010+ - DST80+ mechanical
Ford MondeoMK4/SMax facelift 2010+ - DST80+ 
Ford Fiesta 2014+ - DST80+ only mechanical
Ford Bmax     only mechanical
Ford Custom     only mechanical, not fully supported
Ford Fiesta     
Ford Bmax     
Ford Ecosport     
Peugeot 1007     
Peugeot 206     
Peugeot 207     
Peugeot 208     
Peugeot 2008     
Peugeot 301     
Peugeot 306     
Peugeot 307     
Peugeot 308     
Peugeot 3008     
Peugeot 406     
Peugeot 407     
Peugeot 4007     
Peugeot 508     
Peugeot 5008     
Peugeot 607     
Peugeot 806     
Peugeot 807     
Peugeot Bipper     
Peugeot Expert     
Peugeot Partner     
Citroen C2     
Citroen C3     
Citroen C3 Picasso     
Citroen C3 Pluriel     
Citroen C4 Cactus     
Citroen C4 Picasso     
Citroen C5     
Citroen C8     
Citroen C-Elysee     
Citroen xsara Picasso     
Citroen Berlingo 2     
Citroen Berlingo 3     
Citroen Jumper     
Citroen Jumpy     
Citroen DS3     
Citroen DS4     
Citroen DS5 
   

Recommended APP: X-100 C (search and download it from Apple store and GooglePlay Store)

Apple iOS
(Requires iOS4.3 or later) 

IPod touch iPod Touch 1st  generation,  2nd  generation, 3rd  generation, 4th generation
  
iPhone iPhone, iPhone 3, iPhone 3GS, iPhone 4, iPhone4s, iPhone 5, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iphone 7, iphone 7
  
Pad iPad, iPad 2, ipad 3, iPad air, iPad Mini 1, iPad Mini 2,

Android
(Requires OS2.3 or later)   all android smart phone and tablet