# Legal Calculator > Legal calculator for time duration, simple interest, and inflation/uplift. (iPhone/iPad app by Samuel Shelton.) - Source: https://appshunter.io/ios/app/legal-calculator/id486744368 (this page in markdown: same URL + `.md`) - Developer: [Samuel Shelton](https://appshunter.io/developer/450812776) - Category: Productivity, Utilities - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 7.1 · 1 MB - Languages: American English - Released: 2011-12-16 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/legal-calculator/id486744368/reviews.md ## What is Legal Calculator? The Legal Calculator is an essential 3-in-1 calculator for all legal professionals. It provides: 1. Duration calculator - Calculates the duration of time between two dates. - Provides a breakdown of time in days, weeks, months and years. 2. Simple interest calculator - Calculates the simple interest accrued on a given amount over a set period. - Provides the number of days that the set period spans. - Provides the amount of interest per day. 3. Inflation and uplift calculator - Calculates today's value of a past award or approved settlement for PSLA. - Uses monthly RPI figures, dating back to 1974, which are updated automatically over the internet when new RPI data is published. - Uplifts PSLA figures in line with the case of Heil v Rankin [2000] 3 All ER 138, where applicable. PLEASE NOTE: although the accuracy of the values given by this App have been tested and thoroughly checked, they cannot be guaranteed and so should not be solely relied upon. ## Key features - Duration calculator between dates - Simple interest calculation - Inflation and uplift calculator - Automatic RPI data updates - Breakdown of time in days, weeks, months, years ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/legal-calculator/id486744368/reviews.md ### 5/5 — Update? *2021-06-07* Fantastic app unfortunately can’t be used on the new iOS software. I’d be delighted to make a contribution to the charity of the developers choice and would be very grateful if he we are to update. ### 5/5 — Great app *2013-12-16, version 2.0.2* I have been looking for app that calculate interest and also days between the dates. prefect app for my requirement ### 5/5 — Great for Court *2012-12-13* This app is ideal for when you are at Court and you need to work out interest on a sum, or inflation on a psla award. At the price, you'd be foolish not to buy it. ## Frequently asked questions about Legal Calculator ### What types of calculations can Legal Calculator perform? Legal Calculator offers three main functions: calculating the duration between two dates, computing simple interest, and adjusting past awards or settlements for inflation and uplift using historical RPI data. ### How does Legal Calculator handle inflation and uplift calculations? It uses monthly RPI figures dating back to 1974, which are updated automatically. The app also incorporates uplift calculations in line with the case of Heil v Rankin [2000] 3 All ER 138, where applicable. ### Is Legal Calculator available on Android devices? Based on the provided information, Legal Calculator is supported on iPhone and iPod devices. There is no mention of Android compatibility. ### How frequently is the RPI data in Legal Calculator updated? The RPI figures used for inflation and uplift calculations are updated automatically over the internet whenever new RPI data is published. ### What is the age rating for Legal Calculator? Legal Calculator has an age rating of 4+, making it suitable for a wide range of users. ### When was the latest version of Legal Calculator released? The latest version of Legal Calculator, version 3.0, was last updated on May 23, 2014. ### Does Legal Calculator have ads? No, Legal Calculator does not contain advertisements. ### What is the user rating for Legal Calculator? Legal Calculator has a perfect rating of 5.0 stars based on one review. ## Version history (last 5 releases) ### 3.0 — 2014-05-23 Redesigned for iOS 7. ### 2.0.2 — 2012-07-02 New version 2.0 update adding even more essential features: - All RPI data now updates automatically over the internet when it is published. - New formulae information screen for both the simple interest calculator and the inflation and uplift calculator. Version 2.0.2 update: - Optimised process for updating RPI data. ### 2.0.1 — 2012-02-01 New version 2.0 update adding even more essential features: ✓ All RPI data now updates automatically over the internet when your device is connected. ✓ New formulae information screen for both the simple interest calculator and the inflation and uplift calculator. Version 2.0.1 update: ✓ Optimisations and fixes. ### 2.0 — 2012-01-25 New update adding even more essential features: ✓ All RPI data now updates automatically over the internet when your device is connected. ✓ New formulae information screen for both the simple interest calculator and the inflation and uplift calculator. ✓ Optimisations and fixes. ### 1.01 — 2012-01-06 Optimisations and fixes. ## Apps similar to Legal Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Inclr: Mindmap Notes Organizer](https://appshunter.io/ios/app/inclr-mindmap-notes-organizer/id1060692932) | 3.8 (27) | Free | Productivity | | [Jotun Maintenance Manual](https://appshunter.io/ios/app/jotun-maintenance-manual/id1457195754) | — | Free | Productivity | | [Flexi Clean: for housework](https://appshunter.io/ios/app/flexi-clean-for-housework/id1465241507) | 4.2 (5) | Free | Productivity | | [1Chatbot - Chat & Ask Anything](https://appshunter.io/ios/app/1chatbot-chat-and-ask-anything/id6448837571) | 4.7 (280) | Free | Productivity | | [My Measures PRO + AR Measure](https://appshunter.io/ios/app/my-measures-pro-plus-ar-measure/id325962257) | 4.7 (3,325) | $11.99 | Productivity | | [Chat with PDF - AI Summary](https://appshunter.io/ios/app/chat-with-pdf-ai-summary/id6457365457) | 4.5 (484) | Free | Productivity | --- *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.*