Hello,
Reading details of the Project in posted you need "Android & iOS Data Recording & Uploading Mobile Application" I have already built a similar type of application for my preview experience so we can discuss more details.
I have the skill of making a mobile application in Native and Cross-platform (Ionic, Flutter, react native, Phone gap ETC), for web HTLM, PHP, Codeigniter, Laravel, Bootstrap and use any kind of CMS (Wordpress, woo commerce, Shopify, Magento).
I can make a productive project for you and delivery will give an estimate time duration with excellent support after delivery with 6 months.
FOR MORE DISCUSS PLEASE CONTACT VIA FREELANCER CHAT WINDOW.
Best Regards
Nikita