Must-Have iOS PDF Editor App: Edit PDF on iPhone and iPad

PDF Max is another great PDF editor app which has gained popularity in a short period of time. You can not only create and convert your PDF documents but can also edit them through a variety of amazing and unique tools. You can easily cut, paste, copy, insert, reorder and delete text and pages from your PDF documents. The app is also equipped with a variety of form-filling features like Text Field support, AcroForms & Static XFA Forms support, Zoom-in writing support and signature managing support.

Moreover, you can highlight and underline text, use different shape and eraser tools, create voice annotations, undo/redo and can avoid data loss through smart caching mechanism. The PDF editor app is fully compatible with iPhone, iPad and iPod touch and requires iOS 8.0 or later. The only drawback of the app which makes it slightly unfavorable as compared to the PDFelement is that it is slower in operation and it takes some time to perform the editing tasks.

This PDF Expert 5 is a fine PDF editor app to have for those who deal with PDF documents on their iOS devices. This app allows you to read, annotate and edit your PDF files anywhere at any time. There are a variety of editing features available and you can highlight or underline the text in your PDF documents. You can also add text in your documents in your own handwriting and you can insert stamps and can also merge numerous PDF files to make a single document.

Moreover, the app allows you to add comments to the texts and you can also review your documents and can mark up any errors. Just tap on the incorrect word and replace it with a new correct word, this is possible as well. You can also use Digital Signatures facility to sign different contracts and agreements. The app is fully compatible with iPhone, iPad and iPod Touch and requires iOS 8.0 or later for smother operations. The app is heavy-duty too and would take up most of your phone's RAM as compared to the PDFelement which is rather lighter on your phone.

This PDFfiller is another well-known iOS PDF editor app through which you can easily edit PDFs and can sign, fill forms and can share your documents. The editing is very simple that you can add or remove anything from your PDF documents in just a few taps. Just tap on the document and add some quick notes for future references. You can also sign your different PDF agreements, contracts and invoices in your own handwritings.

Moreover, you can also add pictures to your documents by capturing images from the camera or by uploading from the photo library in your device. The app also allows you to use watermarks to make your documents unique and you can also add some empty fields in your documents to be filled out by your customers. This app is compatible with iPhone, iPad and iPod Touch. The app is slightly lighter on features and this is why it slides to number four on our list.

Easy Annotate is a nice side-by-side PDF Editor app which allows you to read, annotate and compare two different PDF files at the same time. This option is considered one of the best and this is why the app makes the top five list! You can also highlight and underline the text for future references.

Moreover, you can add signature in your own handwriting, add stamps, and can also add sounds to your PDF documents. This app is only compatible with iPad and requires iOS 8.0 or later to work smoothly and properly. The app misses out on a few editing features which are available in PDFelement and while it's good, the app is probably not as effective as the mega PDFelement app.