# iSign: PDF Reader AI Editor — Scanner, Signer, Filler, Maker > AI-powered document scanner, editor, and summarizer with OCR and privacy. (iPhone/iPad app by Bruno Wide.) - Source: https://appshunter.io/ios/app/isign-pdf-reader-ai-editor/id6444390217 (this page in markdown: same URL + `.md`) - Developer: [Bruno Wide](https://appshunter.io/developer/1262013609) - Category: Business, Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 18.0 · 69 MB - Languages: Korean, Galician, Gujarati, Greek, Dutch, Nepali, Danish, German (Germany), Russian, Romanian and 45 more - Released: 2022-12-15 - Data updated: 2026-09-04 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/isign-pdf-reader-ai-editor/id6444390217/reviews.md ## What is iSign? Turn any document into a searchable, signable PDF — in seconds. Sherlock is the fastest way to scan, organize, sign, and understand your documents. Whether it's a contract, a receipt, or a handwritten note — just point your camera and you're done. SCAN TO PDF INSTANTLY Use your camera to capture any document with automatic edge detection and perspective correction. Sherlock produces crisp, high-quality PDFs every time — no flatbed scanner needed. EDIT & SIGN DOCUMENTS Add your signature, insert text, draw annotations, and reorder pages directly inside the app. Send signed contracts in minutes, not days. OCR TEXT RECOGNITION Sherlock reads your scanned documents and extracts all the text, making it searchable and copyable. Find any word inside any document, instantly. AI-POWERED SUMMARIES Paste any document or text and get a clear, concise summary in seconds. Ask follow-up questions to refine and dig deeper, like having a personal assistant for your paperwork. YOUR DATA STAYS PRIVATE Documents are stored exclusively on your device. Nothing is uploaded to the cloud without your consent. Your files are yours always. PERFECT FOR: - Freelancers & remote workers signing contracts on the go - Students digitizing class notes and textbooks - Anyone who wants to go paperless at home - Professionals managing receipts, invoices, and legal documents Try free for 3 days. No commitment. Start your trial and see why Sherlock is the last document app you'll ever need. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - Scan documents to PDF - Automatic edge detection - Edit and sign documents - OCR text recognition - AI-powered summaries - On-device data storage ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Scanner Pro - Monthly | $1.99 | per month | | Scanner Pro - Yearly | $19.99 | per year | | Scanner Pro - Monthly Promo | $0.99 | per month | | Scanner Pro - Yearly Promo | $9.99 | per year | ## Frequently asked questions about iSign ### What is Sherlock? Sherlock is a mobile application designed to scan, organize, edit, and summarize documents. It uses AI to provide searchable text and concise summaries, turning any document into a digital, manageable file. ### How does Sherlock's AI summarization work? You can paste any document or text into Sherlock, and its AI will generate a clear, concise summary in seconds. You can also ask follow-up questions to explore the document's content further. ### Is my data safe with Sherlock? Yes, Sherlock prioritizes data privacy. Documents are stored exclusively on your device, and nothing is uploaded to the cloud without your explicit consent, ensuring your files remain private. ### What devices does Sherlock support? Sherlock is available on iPhone and iPad devices, allowing users to manage their documents across Apple's mobile ecosystem. ### What are the subscription options for Sherlock? Sherlock offers several subscription plans, including monthly and yearly options, with promotional pricing available for both. Plans range from $0.99/month to $19.99/year, providing access to its full suite of features. ### How often is Sherlock updated? Sherlock was last updated on April 13, 2026, indicating a commitment to ongoing development and improvements. The latest version is 2.9.12. ### What is the age rating for Sherlock? Sherlock has an age rating of 4+, making it suitable for a wide range of users, including younger individuals and families looking to digitize documents. ### Does Sherlock have ads? Sherlock is ad-free, allowing users to focus on document management without interruptions from advertisements. ## Version history (last 5 releases) ### 2.11.3 — 2026-08-26 Bug fixes and improvements. ### 2.11.1 — 2026-08-21 Bug fixes and improvements. ### 2.9.12 — 2026-04-13 Bug fixes and improvements. ### 2.9.5 — 2025-10-21 Bug fixes and improvements ### 2.8.24 — 2025-08-14 Bug fixes and improvements. ## Apps similar to iSign | App | Rating | Price | Category | | --- | --- | --- | --- | | [Scanner Document PDF Converter](https://appshunter.io/ios/app/scanner-document-pdf-converter/id6476503990) | 4.5 (86) | Free | Business | | [Scanner Pro・Scan PDF Documents](https://appshunter.io/ios/app/scanner-proscan-pdf-documents/id333710667) | 4.9 (334,291) | Free | Business | | [Scan to PDF: Converter Scanner](https://appshunter.io/ios/app/scan-to-pdf-converter-scanner/id1180773759) | 4.7 (24,231) | Free | Business | | [Adobe Scan: PDF & OCR Scanner](https://appshunter.io/ios/app/adobe-scan-pdf-and-ocr-scanner/id1199564834) | 4.9 (1,578,957) | Free | Business | | [PDF Scanner・Scan Documents App](https://appshunter.io/ios/app/pdf-scannerscan-documents-app/id1643541830) | 4.7 (594) | Free | Business | | [iScanner: PDF Document Scanner](https://appshunter.io/ios/app/iscanner-pdf-document-scanner/id1040093707) | 4.8 (1,395,796) | Free | Business | ## More apps by Bruno Wide - [Biblia Chat: Daily Verses](https://appshunter.io/ios/app/biblia-chat-daily-verses/id1668578820) - [pepe: cookbook companion](https://appshunter.io/ios/app/pepe-cookbook-companion/id6755343295) - [Nutri: Food Scanner & Macros](https://appshunter.io/ios/app/nutri-food-scanner-and-macros/id6759520251) All apps by Bruno Wide: https://appshunter.io/developer/1262013609 --- *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 2026-09-04.*