We tested our scanner app for iphone 6 and iphone 6+ yesterday. while both devices scanned faster than earlier iphone, ipad and ipod devices, the actual focus times and decoding times were not markedly improved – at least not yet. we may need to make some adjustments to the scan engine’s settings.. Scanner pro is one of the best scan apps for iphone to quickly scan and save a digital version of a paper document. it can scan all sorts of papers (including paper documents, receipts, checks, agreements, rentals, dashboards, etc.) and digitize them. you can also use scanner pro to scan agreements and books into multi-page pdfs.. 6. scanner pro by readdle ( iphone + ipad )- this is often one in all the foremost standard document scanning apps on app store.if you're searching for a strong and full featured scanner app for your iphone and ipad, use scanner professional by readdle..