Developer Submission: Schengen Counter — calculator of travel days remaining under a Schengen short-stay visa now a Universal Windows App - MSPoweruser
Schengen Calculator 90/180 on the App Store
Schengen Visa Calculator
Schengen visa duration of stay - Travel Stack Exchange
Schengen calculator free - Apps on Google Play
Schengen Visa Calculator - Home | Facebook
Easy Visa calculator for European visitors - with Excel - Office Watch