For quick CRUD apps, where a spreadsheet is your admin panel I recommend Sheetsu.com (I'm founder). You get REST API, from your spreadsheet. What you do with it

For quick CRUD apps, where a spreadsheet is your admin panel I recommend Sheetsu.com (I'm founder). You get REST API, from your spreadsheet. What you do with it is up to you. We see a huge peak with agencies and freelancers using our service, just to avoid building admin panels for a client. Easy, clean & simple.