# More or Less Calculator > Calculate percentages and tax amounts with dynamic adjustment options. (iPhone/iPad app by Alessandro Cancellario.) - Source: https://appshunter.io/ios/app/more-or-less-calculator/id545994436 (this page in markdown: same URL + `.md`) - Developer: [Alessandro Cancellario](https://appshunter.io/developer/538881497) - Category: Utilities, Education - Price: Free - Age rating: 4+ - Requires: iOS 11.0 · 1 MB - Languages: American English, Italian - Released: 2012-08-07 - Data updated: 2026-06-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/more-or-less-calculator/id545994436/reviews.md ## What is More or Less Calculator? - Quickly calculate the percentage by more or less the number entered - Calculate the amount of tax (spin-off) - Ability to dynamically change the percentage by slide or by choosing from the preset percentages - For problem write to my email: acancellario@gmail.com ## Key features - Calculate percentage by more or less - Calculate tax amounts - Dynamically change percentage with slider - Use preset percentages - Email support for issues ## Recent user reviews (8 of 8) All indexed reviews: https://appshunter.io/ios/app/more-or-less-calculator/id545994436/reviews.md ### 5/5 — Davvero un ottimo lavoro! *2016-06-27, version 2.0.0* Fa quello che dice... PERFETTA NELLA SUA SEMPLICITÀ! ### 5/5 — I😁r *2013-02-02, version 1.1* Fatta benissimo e carinissima complimenti ### 4/5 — Pratica *2012-11-14, version 1.1* per me che spesso mi chiedono al volo prezzi +iva o -iva mi viene molto comoda . Astuta App !!!!!! ### 5/5 — Da consigliare *2012-09-13, version 1.0* Molto utile davvero, ma soprattutto semplice da utilizzare ### 5/5 — Ottimo *2012-09-06, version 1.0* Mi piace funzionale e utile! ### 5/5 — Da avere! *2012-08-24, version 1.0* Una app davvero utile e con un'interfaccia chiara e semplice da usare. Assolutamente da avere, non si poteva chiedere di meglio! Complimenti allo sviluppatore :) ### 5/5 — A++ *2012-08-16, version 1.0* Ottima applicazione utile e molto intuitiva ### 5/5 — Utile ,essenziale ,Graficamente Azzeccata *2012-08-16, version 1.0* Il vantaggio di Apple ? Avere un applicazione per ogni cosa.Sembra una frase fatta ma non lo è, ed ecco un'applicazione semplice quanto utile ed essenziale ben fatta e graficamente azzeccata ..5 stelle meritate ## Frequently asked questions about More or Less Calculator ### What is More or Less Calculator used for? More or Less Calculator is used to quickly calculate percentages, including the amount of tax. It allows for dynamic adjustment of percentages via a slider or preset options. ### Is More or Less Calculator free to use? Yes, More or Less Calculator is available for free on the App Store. ### What devices is More or Less Calculator compatible with? More or Less Calculator is compatible with iPhone and iPod devices. ### How often is More or Less Calculator updated? The app was last updated on October 24, 2021, with version 3.5. It was originally released on August 7, 2012. ### What is the age rating for More or Less Calculator? More or Less Calculator has an age rating of 4+, making it suitable for a wide range of users. ### Does More or Less Calculator have ads? No, More or Less Calculator does not contain advertisements. ### How can I get support for More or Less Calculator? If you encounter any issues or have questions about More or Less Calculator, you can contact the developer directly via email at acancellario@gmail.com. ### Can I adjust percentages easily in More or Less Calculator? Yes, More or Less Calculator offers the ability to dynamically change percentages by using a slider or selecting from preset percentage options. ## Version history (last 5 releases) ### 3.5 — 2021-10-24 Fix bugs and improved user interface ### 3.0.1 — 2018-05-28 This app has been updated by Apple to display the Apple Watch app icon. Added buttons to change the percentage in steps of one and one tenths of a unit ### 3.0 — 2017-11-27 News - Compatibility with iOS 11 and the new iPhone 8, iPhone 8 Plus and iPhone X - Possibility to set the percentage with decimals with button + / - (eg: 61.3) - Removed Extension for Apple Watch - Resolving minor issues For anomalies, please contact me at: acancellario@gmail.com ### 2.1.0 — 2016-10-24 - Added the ability to customize the buttons with the default percentages (by holding down the corresponding customize key). ### 2.0.0 — 2015-07-10 - Added support Apple Watch - Integrated calculator lets you perform common operations on the percentages obtained (click on) ## Apps similar to More or Less Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Percentage Calculator All in 1](https://appshunter.io/ios/app/percentage-calculator-all-in-1/id6463870039) | — | Free | Utilities | | [Dozecal](https://appshunter.io/ios/app/dozecal/id1521160089) | 4.0 (4) | Free | Utilities | | [OneTracPro Mobile Client](https://appshunter.io/ios/app/onetracpro-mobile-client/id1623575902) | 4.5 (2) | Free | Utilities | | [Calc Bookmark : Save website](https://appshunter.io/ios/app/calc-bookmark-save-website/id6473275392) | 5.0 (2) | Free | Utilities | | [BAPI BLE Scanner](https://appshunter.io/ios/app/bapi-ble-scanner/id6474557847) | 5.0 (1) | Free | Utilities | | [RLM-10CX](https://appshunter.io/ios/app/rlm-10cx/id6466089794) | 5.0 (1) | Free | Utilities | ## More apps by Alessandro Cancellario - [iOnomastico](https://appshunter.io/ios/app/ionomastico/id1495955934) - [iOnomasticiPro](https://appshunter.io/ios/app/ionomasticipro/id6443969187) All apps by Alessandro Cancellario: https://appshunter.io/developer/538881497 --- *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 2026-06-01.*