Perfect Sir, SO, you want to improve your ios and android app in app store and google play store,
I am just person you are looking for, I am and android & ios expert and at the same time maths and Matlab expert, Frankly, it is not judge for me to be here, but I am ready to work with you,
I have worked more than 200 apps and have 120+ review.
I have excellent experience With 6+ years. and have designed and developed many mobile applications in different context, professional and terms of Android and Iphone.
I am familiar with all components like swift, xmpp, paypal, stripe, CCAvenue, Barcode, Qrcode ,Map, GPS, Push Notification, Sqlite, Camera, Media,Fragments and many more.
I am reliable, passionate by what I do and I used to pay lot of attention to details and work.
I never compromise either time or quality when it comes to my client's satisfaction.
Best regards