Grammarly - Clear, effective, mistake-free writing everywhere you type.
Cheque-mate - Cheque-mate is an app by Ian Wong that comes up with features to help you in converting the numbers right on your mobile phone, so you can easily write Cheque.
Typely - A sensitive, unobtrusive and reliable tool for any writer, newspaper editor, teacher, blogger or student STA
Quick Cheque - Say bye bye to handwritten cheques As the name suggests, Quick Cheque is a free check printing/writing software that helps you create neat printed cheques in a couple of clicks.
editorr - Get instant writing help from real editors.
eSignPay - eSignPay app allows users to send credit card and check payment authorization requests so it can capture the payment after getting a signed payment authorization form.