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ScanGuru App: Turn Your iPhone Into A Portable Scanner

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Handling documents is something that is very important and unavoidable nowadays. Most iPhone users normally find it difficult to find an app that can handle all the actions related to documents effectively. If you are one of those people that struggles to find the right iPhone app that helps you in all day today document uses.

Here we will discuss ScanGuru and its important features, to scan and edit any documents on your iPhone. Before you start, here is the iPhone App that you can download from the Apple store to start with.


  1. ScanGuru Document Scanner
  2. Scan Documents Using ScanGuru App
  3. Put Signature on Documents Using ScanGuru App
  4. Convert Documents Into Editable Text using ScanGuru
  5. Protect Documents on ScanGuru Using Face ID / Touch ID
  6. Add Watermark, Stamp, and Annotations on a Document
  7. Verdict

ScanGuru Document Scanner

ScanGuru is a powerful scanner app that helps you scan paper documents and store digitally on your phone. You can easily take pictures of anything and convert it into a PDF document. ScanGuru also provides the OCR feature which helps in the conversion of normal images into text documents.

These are only a few of the features that the ScanGuru app provides. Let us discuss how to use the major features provided by the ScanGuru app. The app provides complete security for your personal and business documents. You can lock the app with Face ID or Touch ID so that no one else can see your confidential documents.

The basic free version of the ScanGuru app provides scanning and storing option without any limitations. But, if you want to get advanced features like converting to text and adding a signature to documents, there is a premium version with all the features.

Watch ScanGuru app in full action:

Scan Documents Using ScanGuru App

ScanGuru app helps you to create PDF documents using the scanning feature, from any piece of paper. This is done by scanning an image or taking a picture. Let’s learn how to convert an image into a PDF document.

Scan Documents Using ScanGuru
  1. Open the ScanGuru app.
  2. Click on the “+” button at the bottom and choose the document button on the right.
  3. Click images that you want to convert into pages of the document.
  4. Adjust the borders so that you get the correct image.
  5. Tap the “Add Pages” option to add multiple pages to the document by scanning.
  6. Make edits to the document.
  7. Tap the checkmark on the upper right corner to save the document.

Simple as that, ScanGuru helps you in creating a document from images you click. This process is very easy and convenient to use in day to day life. You can also enhance the scanned document pages with the ScanGuru app.

Related: How to Scan Documents on iPhone and Save as PDF

Put Signature on Documents Using ScanGuru App

Signing a PDF document is not a hefty task anymore. You can simply put your own signature to a document and share it with others using the Sign feature. You can draw your signature on a white page and place the signature anywhere on the document.

Put A Signature on PDF Document Using ScanGuru
  1. Open the ScanGuru app and select a scanned document.
  2. Tap the “Sign” option from the bottom.
  3. Tap “Signature” from the popup menu.
  4. Put your signature into the white page shown.
  5. After signing click OK. The signature will be shown inside your document.
  6. Resize and adjust the image for your convenience.
  7. Save your document.
Sign Documents on iPhone Using ScanGuru

You can put your signature in any document using this feature. The last signature you used will be saved for you to reuse later. 

Related: How to Sign A PDF on Mac Quickly

Convert Documents Into Editable Text using ScanGuru

ScanGuru not only just scans the document pages, but it lets you edit the contents as well. You can get the actual text from an image or scanned document in an editable text format. You can then save the edited txt as a standard TXT file.

Convert to Text and Edit a Document on iPhone Using ScanGuru
  1. Open the ScanGuru app and open any document.
  2. Click on the Convert button from the bottom.
  3. The app will show the texts obtained from the image.
  4. Edit and make changes to the detected text.
  5. Save the Document.

This feature is so convenient that plain images with writings are easily converted to Text Documents using this. ScanGuru app does a fine job with the OCR feature. 

Related: How to Copy Paste Text from Image on PC Quickly

Protect Documents on ScanGuru Using Face ID / Touch ID

It is obvious that we will be saving our personal documents and even business documents on our iPhone. With an app like ScanGuru, it becomes easier to scan and save documents. but, even when you do this, no need to worry about security. ScanGuru lets you enable Face ID or Touch ID so that no one else can access your documents.

Protect Documents on ScanGuru with Face ID or Touch ID
  1. Open the ScanGuru app and tap the Settings icon on top right corner.
  2. Tap on “Access Security” from the settings menu.
  3. You can select the Bio-metrics or PIN option.
  4. Choose any option to complete the setup.
Enable Face ID for ScanGuru

Completing these steps will enable protection to your documents through the passcode you provided. You can use your Face ID/Touch ID/Pin to unlock the application and view the documents.

Related: How to Secure Google Drive with Face ID or Touch ID on iPhone and iPad

Add Watermark, Stamp, and Annotations on a Document

Adding watermarks is an important step to prevent duplication of your document. This along with adding annotations and stamps can be easily done in the ScanGuru app. This is similar to adding a signature to the document in the ScanGuru app.

Add Watermark to PDF on iPhone Using ScanGuru
  1. Open the ScanGuru app and open any document.
  2. Tap the “Sign” option shown at the bottom.
  3. From the menu, you will see Watermark, stamp, Annotation options.
  4. To insert a watermark, click on the watermark option.
  5. Type in the watermark and save the Document.
  6. To insert a stamp, Click on the stamp option.
  7. Click the image of the stamp and click Ok.
  8. Resize and adjust the stamp into the required position and save the document.
  9. To insert annotation, Click on the annotation option.
  10. Mark inside your documents, You can change the color and transparency of the markings.
  11. Save the document once you complete adding annotations and watermarks to PDF.
Add Watermark to Document ScanGuru

You can easily add stamps annotations and watermarks to your documents if you go through these steps. These steps are made easy by ru and do not involve any complicated procedures.


ScanGuru is an all-in-one scanner app that provides you lots of features. Easy editing of documents with great protection is very essential for users. The effortless scanning and document creation is the highlight of the ScanGuru app, which you can download for iPhone direct from the Apple Store.

The OCR and other features work like a charm. You can convert any image into text easily. All these features make the ScanGuru app excel in the area of Document scanning and editing. ScanGuru is no doubt a powerful, simple-to-use document scanner app for iPhone users.

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