# Off-Blocks — Signatures on blockchain > Blockchain-based digital signatures for proving ownership and authenticity of data. (iPhone/iPad app by Off-Blocks Ltd.) - Source: https://appshunter.io/ios/app/off-blocks/id1485204012 (this page in markdown: same URL + `.md`) - Developer: [Off-Blocks Ltd](https://appshunter.io/developer/1485204011) - Category: Business, Utilities - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 10.0 · 31 MB - Languages: American English, Dutch - Released: 2020-01-24 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/off-blocks/id1485204012/reviews.md ## What is Off? Imagine interacting with a digital world around you without ever having to log in. Instead, your ID lives in this device, that only you can access and control - so it becomes trusted and usable as an extension of your physical self. From this ID, we redefine the concept of a signature. To expand past the idea of just signing a document, to proving something. Off-Blocks offers a more powerful signature than ever before. With it, you can sign any type of data, not just documents. For example, you could ‘sign’ a picture to prove ownership of it. You could ‘sign’ a package to prove delivery. Or you could ‘sign’ a recording to prove what was said. This Mobile App lets you stamp your name, take credit for your work and safeguard against disputes. Subscribe to unlock the full features with unlimited signatures. Get access to the WebPortal to prepare and send out documents for others to sign in a seamless guided experience. Track documents and verify signatures at any time. Integrate with your favourite tools and secure storage to keep your data safe. Set up teams with a shared workspace to manage business contacts and templates together, saving everyones time. Make the right impression, with Off-Blocks - your Digital Signature on Blockchain. ## Key features - Blockchain-based digital ID - Sign any data type - Prove ownership and delivery - Track and verify signatures - Team collaboration workspace - Web portal for document preparation ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/off-blocks/id1485204012/reviews.md ### 5/5 — Revolutionary *2020-02-25, version 1.0.3* Amazing piece of technology. Have used it to secure my data and establish provenance. Recommend to anyone who wants a way to establish trust in a trustless world. ## Frequently asked questions about Off ### What is Off-Blocks? Off-Blocks is a business application that utilizes blockchain technology to provide users with a secure, decentralized digital identity. This identity can be used to create powerful digital signatures for various types of data, not just traditional documents. ### Can I use Off-Blocks offline? The provided information does not specify offline functionality. However, blockchain interactions typically require an internet connection for verification and transaction recording. ### What devices does Off-Blocks support? Off-Blocks is available for iPhone, iPad, and iPod devices, as indicated by its supported devices list. ### How often is Off-Blocks updated? The latest version of Off-Blocks was released on April 24, 2021. The frequency of updates is not explicitly stated, but the app has received at least one update since its initial release on January 24, 2020. ### What is the age rating for Off-Blocks? Off-Blocks has an age rating of 4+, making it suitable for a wide range of users. ### How does Off-Blocks compare to traditional signature methods? Off-Blocks offers a more robust signature capability by allowing you to sign any data type, not just documents. This provides stronger proof of ownership and can help safeguard against disputes for items like pictures, deliveries, or recordings. ### Is Off-Blocks secure? Off-Blocks leverages blockchain technology for its digital signatures, which is inherently designed for security and immutability. The app also emphasizes integrating with secure storage to keep your data safe. ### What are the benefits of the subscription for Off-Blocks? Subscribing to Off-Blocks unlocks full features, including unlimited signatures. It also grants access to the WebPortal, which provides a guided experience for preparing and sending documents for others to sign. ## Version history (last 5 releases) ### 1.1.1 — 2021-04-24 New Features --------------------------------------- Integration with Keycloak for authentication The identity of the user is now consistent between mobile and web Add support to the Japanese language Improvements --------------------------------------- Identities are now W3C DID based Signing statuses better correspond to the current state UI updates to improve cohesion Fixes --------------------------------------- Allow login on mobile without onboarding first Multiple signing related bugs fixed ### 1.0.6 — 2020-07-11 Various improvements for annotations. Push notifications are fixed. Users are notified if running an outdated version. Added support for phones with notches. Fixed issue with file getting corrupted when sharing. ### 1.0.3 — 2020-02-05 Fix to logout/timeout issue requiring ID restoration ### 1.0.2 — 2020-01-31 Bug fixes Option to add web password ### 1.0.1 — 2020-01-28 Bug fixes and improvements ## Apps similar to Off | App | Rating | Price | Category | | --- | --- | --- | --- | | [MobiNp Customer App](https://appshunter.io/ios/app/mobinp-customer-app/id1527035426) | 2.3 (3) | Free | Business | | [Ronary](https://appshunter.io/ios/app/ronary/id1601492012) | 5.0 (1) | Free | Business | | [Daily Activity&Time reporting](https://appshunter.io/ios/app/daily-activity-and-time-reporting/id1084075124) | 2.8 (4) | Free | Business | | [Noturee](https://appshunter.io/ios/app/noturee/id1566567933) | 5.0 (1) | Free | Business | | [Tyto: Work Done Fun!](https://appshunter.io/ios/app/tyto-work-done-fun/id1077056429) | 5.0 (1) | Free | Business | | [Webullar](https://appshunter.io/ios/app/webullar/id1589667037) | 4.6 (8) | Free | Business | --- *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 2026-06-10.*