# sign pro PDF > Digital PDF signing and annotation tool with handwritten signatures and annotations. (iPhone/iPad app by Wacom Europe GmbH.) - Source: https://appshunter.io/ios/app/sign-pro-pdf/id932419666 (this page in markdown: same URL + `.md`) - Developer: [Wacom Europe GmbH](https://appshunter.io/developer/441078963) - Category: Business, Productivity - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 11.0 · 107 MB - Languages: Dutch, English, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian and 3 more - Released: 2016-01-25 - Data updated: 2026-07-04 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/sign-pro-pdf/id932419666/reviews.md ## What is sign pro PDF? Wacom sign pro PDF is the complete professional solution for securely signing and annotating PDF documents in a paperless workflow. When you use sign pro PDF as your document reader you will also have tools for: • Electronic handwritten signatures • Freehand annotations • Sticky note texts • Text highlight, underline and strikethrough PDF files that require signatures or annotations may be transferred to a device through various means. For example, you might receive an email with a PDF file attachment which requires your signature. You can open the file attachment and view its contents directly in sign pro PDF. To sign the document, you can select the signature tool, select a position in the document and then sign using your finger, capacitive stylus, or Wacom active stylus. You can then send your email reply with the signed PDF document attached. Your signed document can be viewed in any PDF reader and your signature will appear exactly as you created it. In addition, sign pro PDF follows industry-standard PDF electronic signature standards so any changes to the document will result in signatures being shown as invalid. The stylus used to sign determines the type of signature created: • ‘touch’ signatures created using your finger or capacitive stylus do not contain biometric data • ‘biometric’ signatures created using a Wacom active stylus contain full biometric data including pen pressure KEY FEATURES • Handwritten annotations can be added • Sticky note texts can be added • Text mark-ups can be applied including highlight, underline and strikethrough • Form filling is supported • Signatures can be created using a finger or capacitive stylus • Signature areas can be predefined for signing at a later time • An eSeal can be prepared from an image source and can then be used to sign a document • A custom File Manager gives the User options for opening and saving PDF documents which can be accessed using iTunes, AirDrop, Dropbox and Share standards • Password protected PDF documents are supported • Signature information can be displayed, including the who, why and when of the signature • Wacom Ink Layer Language (WILL) technology is used to give a high quality digital pen and ink experience COMPATIBILITY Required OS: • iOS 8.0 or later With touch: • Devices which run the required OS With Wacom technology: • Bamboo Stylus Fineline   • Bamboo Fineline 2   • Intuos Creative Stylus   • Intuos Creative Stylus 2 • The Wacom active stylus products are designed for use with iPads featuring Bluetooth® Smart technology, including: iPad Mini 1,2 and 3, iPad 3 and 4, iPad Air 1 and 2. • Biometric signatures are only captured using Wacom technology • Biometric signatures are fully compatible with the Wacom range of signature applications SIGNATURE CREDIT sign pro PDF uses a signature credit method: • Free installation credits: 3 signatures can be created. After 3 signatures have been used, new signatures will be displayed with a demonstration watermark • In-app purchase: credits can be purchased for new signatures ## Key features - Electronic handwritten signatures - Freehand annotations - Sticky note texts - Text highlighting, underlining, strikethrough - Form filling - eSeal preparation - Custom File Manager ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Signature Bundle (100) | $9.99 | one-time | ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/sign-pro-pdf/id932419666/reviews.md ### 1/5 — 자동 탈퇴, 저장 안되 *2020-05-06, version 3.5* 자주 자동적으로 탈퇴해요. 조장안하게.일하고 있는 사람한테 이게 최악 아닐까??? ### 5/5 — The app is not really working with the pen. *2018-11-18, version 3.1* The app is not working that great. Will not pair with pen. ## Frequently asked questions about sign pro PDF ### How many signatures can I create with sign pro PDF for free? sign pro PDF offers 3 free installation credits for creating signatures. After these are used, new signatures will be displayed with a demonstration watermark. ### What devices is sign pro PDF compatible with? sign pro PDF is compatible with iPads running iOS 8.0 or later. For Wacom technology features, specific Wacom active stylus products are required. ### Can I sign documents with my finger using sign pro PDF? Yes, you can create electronic handwritten signatures using your finger or a capacitive stylus. Signatures created this way do not contain biometric data. ### Does sign pro PDF support password-protected PDF documents? Yes, sign pro PDF supports opening and working with password-protected PDF documents, allowing you to sign and annotate them securely. ### How does sign pro PDF handle document transfers? You can transfer PDF files to sign pro PDF via email attachments, and then send signed documents back as email replies. It also supports transfer through iTunes, AirDrop, Dropbox, and Share standards. ### What kind of annotations can I add with sign pro PDF? You can add handwritten annotations, sticky note texts, and apply text mark-ups such as highlight, underline, and strikethrough to your PDF documents. ### Is sign pro PDF suitable for business use? Yes, sign pro PDF is designed as a complete professional solution for securely signing and annotating PDF documents, facilitating a paperless workflow for businesses. ## Version history (last 1 release) ### 3.5 — 2019-11-20 Various performance and stability improvements. ## Apps similar to sign pro PDF | App | Rating | Price | Category | | --- | --- | --- | --- | | [Mp3 Recorder Pro: Notes,Memos](https://appshunter.io/ios/app/mp3-recorder-pro-notesmemos/id916273338) | 4.5 (118) | $5.99 | Business | | [PDF Box : Converter,Scanner](https://appshunter.io/ios/app/pdf-box-converterscanner/id954156442) | 4.1 (141) | Free | Business | | [eQuip Mobile App](https://appshunter.io/ios/app/equip-mobile-app/id1394082519) | 2.9 (11) | Free | Business | | [PDF Tools: Sign & Edit PDF](https://appshunter.io/ios/app/pdf-tools-sign-and-edit-pdf/id6444650684) | 5.0 (10) | Free | Business | | [WorldScan HD - Scan Documents](https://appshunter.io/ios/app/worldscan-hd-scan-documents/id574367058) | 4.1 (7) | Free | Business | | [Feed Pro](https://appshunter.io/ios/app/feed-pro/id1037603357) | — | Free | Business | ## More apps by Wacom Europe GmbH - [Bamboo Paper](https://appshunter.io/ios/app/bamboo-paper/id443131313) - [Wacom Inkspace App](https://appshunter.io/ios/app/wacom-inkspace-app/id1029007767) All apps by Wacom Europe GmbH: https://appshunter.io/developer/441078963 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-04.*