I am an iOS developer and I have been developing apps for more than 3 years now and I have worked with many clients. Visit syedkhawarali.github.io for my portfolio. I am well experienced in the following: PSD to Mobile App Designing Chat applications Social Applications Ads Integration Apple Pay, and other payment Integrations In-App Purchases Push Notifications Firebase Web services-based apps Maps and GPS Based Apps Calling apps Bluetooth Apps OCR and Camera Related Apps Barcode and QRCode And Many more