# The Calculator - Notes & Units — Minimalist Currency Converter > A calculator with integrated note-taking, unit conversion, and currency exchange. (iPhone/iPad app by YiDe Liu.) - Source: https://appshunter.io/ios/app/the-calculator-notes-and-units/id6745772251 (this page in markdown: same URL + `.md`) - Developer: [YiDe Liu](https://appshunter.io/developer/1813803093) - Category: Utilities, Business - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 16.6 · 16 MB - Languages: American English, Czech, Danish, Dutch, Finnish, French (France), German (Germany), Greek, Hungarian, Italian and 11 more - Released: 2025-05-28 - Data updated: 2026-10-13 - Monetization: freemium ## What is The Calculator? How many steps does it take to work out a bill? Open the calculator, get a number, write it down somewhere, come back, forget where you were. The notepad lets you write the whole thing as text — every line worked out as you type it: rent = 1200 utilities = 85 rent + utilities 1285 Name your values and reuse them. It reads plain English too: 20 ml in tsp 100 USD in EUR 20% off 80 Also good for - Travelling — convert as you go, the whole day's spending on one page - Cooking — cups, ounces, Fahrenheit, all converted in one place - Estimating materials — add up three walls, divide by coverage per tin - Quoting work — change one number, everything recalculates Three more calculators - Basic — large type, generous spacing, your working shown as you build it - Scientific — trigonometry, logarithms, powers and roots, 2nd key cycles four layers - Convert — 123 units across 15 categories, currency rates update automatically Things you can adjust - Number format — comma, period, space, apostrophe, or none - Decimal places — full precision, or fixed to a number you choose - Appearance — light, dark, true black, or follow the system - Startup page — pick which one opens when you launch the app - Haptics — tune the strength or switch it off Also inside - History, with notes you can attach - Control Centre button for one-tap access - Available in many languages, with unit names and keywords in each Built on minimalist principles Clean design, smooth interaction, no noise — only what actually matters. The Calculator is free to use. Convert and Notepad are Premium features. Terms of Use: https://www.minlsm.com/terms Privacy Policy: https://www.minlsm.com/privacy ## Key features - Integrated notepad for documenting calculations - Unit and currency conversion - Basic, scientific, and conversion calculators - Customizable appearance (light, dark, black) - Adjustable number formats and decimal places - History with attachable notes ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Premium | $4.99 | per month | | Premium | $29.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Premium | $9.99 | one-time | ## Frequently asked questions about The Calculator ### What are the premium features of The Calculator? The Convert and Notepad features are considered Premium. These unlock advanced unit and currency conversions, as well as the ability to write down your calculations as text directly within the app. ### How much does The Calculator cost? The Calculator is free to use with basic functionality. Premium features require a subscription, with options for $4.99 per month or $29.99 per year. ### Does The Calculator have ads? No, The Calculator does not contain advertisements. The app is built on minimalist principles with a focus on a clean, ad-free user experience. ### What devices is The Calculator available on? Currently, The Calculator is supported on iPhones. The app is designed for iOS devices. ### How often is The Calculator updated? The latest version, 1.2.4, was released on October 12, 2026. Updates are provided to enhance functionality and reliability. ### Can I customize the appearance of The Calculator? Yes, you can adjust the appearance to your preference. Options include light, dark, true black themes, or the ability to follow your system's settings. ### What is the age rating for The Calculator? The Calculator has an age rating of 4+. This indicates it is suitable for children and general audiences. ### Does The Calculator support offline use? The core calculator functions and note-taking are available offline. Currency conversion rates may require an internet connection to ensure they are up-to-date. ## Version history (last 5 releases) ### 1.2.4 — 2026-10-12 - Interface improvements. - You can now add Calculator to Control Center on iOS 18 and later. ### 1.2.3 — 2026-10-08 - The app name on your Home Screen now appears in your language. - Stability improvements. ### 1.2.2 — 2026-09-06 - Stability improvements. ### 1.2.1 — 2026-08-29 - Stability improvements. ### 1.2.0 — 2026-08-24 Introducing the notepad. Write your whole calculation as text — every line worked out as you type it: rent = 1200 utilities = 85 rent + utilities 1285 Name your values and reuse them. It also reads 20 ml in tsp, 100 USD in EUR, and 20% off 80. Also new - Convert — 123 units across 15 categories, currency rates update automatically - Scientific keypad rebuilt, 2nd key cycles four layers — inverse trig, hyperbolics and random all within reach - Dark appearance and true black for OLED - Number format — comma, period, space, apostrophe, or none - Decimal places — full precision, or fixed to a number you choose - Startup page — pick which one opens when you launch the app - Control Centre button for one-tap access ## Apps similar to The Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Minimal Calc](https://appshunter.io/ios/app/minimal-calc/id1573497002) | — | Free | Utilities | | [Subber - Store Your Bookmarks](https://appshunter.io/ios/app/subber-store-your-bookmarks/id6502371990) | 3.3 (3) | Free | Utilities | | [The Widget: Creative Maker](https://appshunter.io/ios/app/the-widget-creative-maker/id6736514348) | 5.0 (1) | Free | Utilities | | [Life Dots: Visualize Time](https://appshunter.io/ios/app/life-dots-visualize-time/id6802906685) | 5.0 (28) | Free | Utilities | | [Clink: Custom Keyboards](https://appshunter.io/ios/app/clink-custom-keyboards/id6776381848) | 3.9 (38) | Free | Utilities | | [Quiche Browser](https://appshunter.io/ios/app/quiche-browser/id1668363952) | 4.9 (823) | Free | Utilities | ## More apps by YiDe Liu - [NOAA Weather Minimalist - weat](https://appshunter.io/ios/app/noaa-weather-minimalist-weat/id6745883312) - [The Radio - Live Stations](https://appshunter.io/ios/app/the-radio-live-stations/id6794225356) All apps by YiDe Liu: https://appshunter.io/developer/1813803093 ## Related topics [dough guy calculator](https://appshunter.io/ios/topics/dough-guy-calculator) --- *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 2026-10-13.*