Ideally, you want to be able to scan your document and be able to use the text from it immediately.

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Four of the apps that made this list meet this criteria. The only one that doesn't, Microsoft OfficeLens, requires a secondary app to complete the process. We ultimately included it anyway because the results were very good, and the apps don't cost anything. You do need a Microsoft account, however, to get the editable text. What you do with your files after you scan and digitize them matters tremendously.

The best scanning and OCR apps let you save a PDF of whatever you scan and give you additional options for sharing, printing, and exporting your files. Some even have a Copy All Text function that lets you quickly pick up the text directly from the app and paste it into whatever app you want. Features aren't everything, but there are a few we like to see in mobile scanning and OCR apps.

Tools that let you manually adjust the cropping are important, for example, because sometimes apps get edge detection wrong. The apps also need tools for adjusting brightness, correcting color, and selecting grayscale output instead of black and white when needed. Having an OCR function that works in multiple languages is a huge plus, too.

6 of the Best Document Scanner Apps for iOS - Make Tech Easier

Note that I didn't cherry-pick a document that would be easy. With any scanning app, you'll get best results when working with flat, single-sided, standard size pages of crisp black text in a single typeface sans serif, ideally arranged in paragraphs on white paper. Fading, folding, tearing, book bindings, variations in ink saturation, and other factors can trip up OCR. Life, however, rarely gives us pristine documents. I used each app in the same natural light conditions against the same background, a wood floor.

When available, I used any auto-scanning features in the app that were relevant to that particular text. For example, FineScanner Pro by Abbyy has a special setting for scanning book pages, which I used on the fourth test. Other apps have settings to indicate whether you're scanning a document, receipt, or a whiteboard.

I went into this experiment thinking I might see subtle differences in terms of how well each app processed color or how many errors I could count among the OCR texts. And I assumed I'd end up with around 10 apps that I could easily recommend. That wasn't the case. When the wheat separated from the chaff, there wasn't a lot of wheat left. While narrowing down the list, some apps didn't meet basic requirements and others performed poorly. For example, Evernote has an excellent scanning function that creates searchable PDFs out of practically anything you throw at it, but it doesn't give you editable text.

One app failed to scan and properly crop the standard receipt the easy test, which most other apps passed with flying colors. Another cut off all the margins from my certificate and didn't offer any tools for correcting the cropping after the scan was complete. In the end, five apps successfully scanned my documents and converted them to editable files. And the results weren't perfect. I did find errors in the text.

The Best Mobile Scanning and OCR Apps

Not every document looked perfect on the first scan either, but I never had to try more than twice to capture a clean image. Nevertheless, scanning and turning a piece of paper into an editable document from your phone sure beats having to type it, even if you have to make a few corrections. Keep in mind, too, that your results may vary depending on the type of media you need to scan and its physical condition. You could have remarkable results if your job involves clean, crisp pages of text.

Sign, Fax & OCR Translate App

But it's the app to get if you have heavy duty scanning in your future. One of its standout features, called BookScan in the iOS version only , lets you digitize bound books by simply pointing your phone camera at them. The app automatically detects the edges of each page and snaps a scan without you having to press a button. It then corrects the resulting image for distortion near the binding and splits facing pages into two. In my testing, the OCR automatically digitized the three book pages in about one minute. While I saw errors in the final, editable text, they were almost entirely in difficult sections, such as breakout boxes and displayed equations.

Paragraphs of text came out nearly flawless. FineScanner preserved the spacing of a table with aplomb, and the app turned out far fewer errors than any other mobile scanning and OCR app I tested. In the other tests, FineScanner did an excellent job. Only one document required a little bit of edge adjustment, which you can do at any time with files saved in the app. It couldn't digitize the text on the color certificate, but all the other files converted to text in less than a minute each. In terms of output, FineScanner can generate a PDF, share by email, send files to a cloud service, open files in another app, print them, or save them to your camera roll or default app for images.

Testing OCR

It's hands-down one of the most impressive mobile scanning and OCR apps. OfficeLens by Microsoft is a free scanning app that can run OCR on images with text, but only when you use it in conjunction with other apps, namely OneDrive and Word. It requires a Microsoft account, but all the apps are free.

Rather, you must save the image as a. Having to use a second app doesn't give you the same convenience that you get from other mobile scanning and OCR apps, but if you can spare the hassle of jumping to another app, you might find better accuracy in the final product than what you get from some of the one-stop shops.

Plus it's all free. I was impressed with the final output on the book pages test. When I opened that file in Word, I saw complete paragraphs that read well and very few mistakes in the displayed equations. Word did turn three scanned pages into nine typed pages with huge swathes of empty space between some sections, but overall the quality was very high. The table looked nearly flawless. There were a few places in the text where the OCR didn't seem to render, and instead of making a garbled guess, Microsoft instead swapped in a clip of the image see above.

It's a great approach because I as a human can quickly read the text in the image and type what I see, saving me the time of comparing the incorrect digitized text to the original.

How to scan and apply OCR to documents in iOS

OfficeLens has four scanning modes: Business Card, Document, Whiteboard, and Photo for when you're taking pictures of anything other than writing. The app has sharing options for opening the file in another app, saving the image locally, and printing, in addition to options for working with other Microsoft products. Scanbot Pro performed better than any other app when it came to my second test scan, an odd sized page with some white on black text and handwritten numbers at the bottom.

Certainly, it's a tough project. The bottom edge of the page is intentionally torn "tear here and save the top portion" , and it contains important information right along the edge. Scanbot Pro was the only app that got a clear scan of the entire page, although it did take two tries to nail it. Other test scans I ran with Scanbot Pro also turned out clean and crisp. We use cookies to ensure that we give you the best experience on our website.

If you continue without changing your settings, we'll assume that you receive cookies on our website. However, you can change your cookie settings and find more information about cookies here. Must-have for business travelers, being available to send scans to customers even when you are out of the office. Auto enhancing makes the PDF look clear and sharp. You can easily export the files in multiple ways and sync to the cloud with high speed.

OCR optical character recognition feature extracts texts from images for further editing or sharing. Anywhere and anytime, scan, save, archive, and upload your files. Managing and searching has never been so easy. I scan and send a lot of docs to my clients,That is why I have been using CamScanner heavily. It can detect the document edges and crop off the background. That is amazing. You have to try it! CamScanner is a great app for auditors.

You know when you are facing tons of books and statements, CamScanner makes your life a lot easier. It is very convenient for me to scan my hand-written case histories and prescriptions into my phone and tablet so that I can discuss with my colleague later. It is a great app. I have to say CamScanner is so cool for students. I can now scan all the important points from my text books or books I read in the library.