# Instant Converter & Calc — Convert any unit instantly > Instant unit conversion and calculation tool with live currency rates. (iPhone/iPad app by SERGII BILODEDENKO.) - Source: https://appshunter.io/ios/app/instant-converter-and-calc/id6797900146 (this page in markdown: same URL + `.md`) - Developer: [SERGII BILODEDENKO](https://appshunter.io/developer/6797900148) - Category: Utilities, Productivity - Price: $4.99 - Rating: 5.00/5 from 7 App Store ratings · 6 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 26 MB - Languages: American English - Released: 2026-08-24 - Data updated: 2026-10-16 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/instant-converter-and-calc/id6797900146/reviews.md ## What is Instant Converter & Calc? Type a value with any unit - get every relevant conversion instantly. No menus, no dropdowns, no extra taps. Instant Converter is the fastest way to convert between units. Just start typing - "25 kg", "72 F", "5.5 miles" - and see all related conversions appear in real time. The app recognizes abbreviations, full unit names, and common shorthand, so you never need to browse through categories or pick units from a list. INSTANT RESULTS Start typing and results appear immediately. No loading screens, no "Convert" button - just instant answers grouped by category for easy scanning. 17 CONVERSION CATEGORIES - Length - km, miles, feet, inches, meters, yards, and more - Weight - kg, pounds, ounces, grams, tonnes, stones - Temperature - Celsius, Fahrenheit, Kelvin - Volume - liters, gallons, cups, fluid ounces, tablespoons - Area - m², ft², acres, hectares - Speed - km/h, mph, m/s, knots - Time - seconds, minutes, hours, days, weeks, years - Pressure - Pa, bar, psi, atm, mmHg - Energy - joules, calories, kWh, BTU - Power - watts, horsepower, BTU/h - Data Storage - bytes, KB, MB, GB, TB (SI and IEC) - Fuel Efficiency - L/100km, mpg (US/UK), km/L - EV Efficiency - kWh/100km, miles/kWh, km/kWh - Torque - N·m, ft·lb, kgf·m - Force - newtons, pounds-force, dynes, kgf - Currency - 30+ currencies with daily rates from the European Central Bank - Time zones - GMT, UTC, PT and other IANA zone names LIVE CURRENCY RATES Exchange rates are fetched daily from the European Central Bank via frankfurter.dev. No API key needed, no account required. Cached locally so you always have recent rates even when offline. BUILT-IN CALCULATOR Need to calculate before converting? There's a full calculator with memory functions (M+, M-, MR, MC), history of your last 30 calculations, and a one-tap button to send the result straight to the converter. FAVORITES & RECENTS Star your most-used conversions for quick access. Your last 10 conversions are saved automatically so you can pick up right where you left off. LIGHT & DARK THEMES Choose between a clean light theme with blue accents or a dark theme with warm orange accents. Or let the app follow your system setting. PRIVACY FIRST - No ads - ever - No tracking or analytics - No data collection - No account required - No subscription - one-time purchase, everything included All your data stays on your device. The only network request the app ever makes is fetching currency rates - and even that sends zero personal information. WORKS EVERYWHERE Available on iPhone, iPad, Mac, and web. Same fast experience across all your devices. FULLY OFFLINE Every conversion except currency works without an internet connection. Currency rates are cached locally, so even those work offline with the last fetched rates. Whether you're cooking, traveling, studying, shopping abroad, or working on a project - just type what you need and get the answer. No clutter, no confusion, no unnecessary steps. Instant Converter - type once, see every result. ## Key features - Instant, real-time unit conversions - 16+ conversion categories - Live currency exchange rates - Built-in calculator with memory - Favorites and recents - Light and dark themes - Offline functionality (except live currency) ## Is Instant Converter & Calc safe? Not enough ratings yet to assess Instant Converter & Calc. ## Is Instant Converter & Calc legit? Instant Converter & Calc has limited verification signals. The AppsHunter Legitimacy Score for Instant Converter & Calc is 58 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/instant-converter-and-calc/id6797900146/reviews.md ### 5/5 — Convenient *2026-09-11* Absolutely must have app if you relocate from the world with metric system to the world with imperial. ### 5/5 — Top level app *2026-09-10* Love this app. Finally someone made quick converter. I'm tired of that flow in all converters when you select one unit, then second unit - it's so slow and uncomfortable. This app is flying! UI is stylish (I prefer dark mode) and favorites are really useful. I also grateful they provide the app for Mac in the same price. And yes - zero ads and subscriptions which I honestly hate ### 5/5 — Exactly What I Needed! *2026-09-10* Such a great app! The interface is super and intuitive, convert conversions are instant, and I love that it work off-line. You can type pretty much any value or unit and immediately get exactly what do you need. No ads no subscription-just one purchased and you have it forever. Finally a converter that’s fast,clean and actually enjoyable to use. Huge thanks to the developer! ### 5/5 — Great quick converter *2026-09-10* I use this app constantly throughout the day, and it has completely replaced every other converter on my phone. You don't have to waste time manually selecting source and target units. Just type something like "12 oz", and it instantly shows you the conversion across all relevant units like grams, kilograms, pounds, and even tablespoons all at once. The built-in calculator with history and memory functions is seamlessly integrated, meaning you can calculate an amount and convert it with a single tap. It’s blazing fast, incredibly intuitive to use, and wrapped in a gorgeous, clean, and modern interface that is an absolute joy to look at. Highly recommended! ### 5/5 — Great converter *2026-09-10* A very convenient app. I use it all the time whenever needed. ### 5/5 — A very user-friendly app! *2026-09-09* A very user-friendly app! Beautiful, clean, and aesthetic design with nothing unnecessary. It makes converting currencies, weight, length, temperature, and other units quick and effortless. Simple, intuitive, and really convenient for everyday use. ## Frequently asked questions about Instant Converter & Calc ### How does Instant Converter & Calc work? Simply type a value with its unit, like '25 kg' or '72 F', and the app instantly displays all relevant conversions. It recognizes abbreviations and full unit names, eliminating the need to browse menus. ### What types of units can Instant Converter & Calc convert? The app supports over 16 categories, including length, weight, temperature, volume, area, speed, time, pressure, energy, power, data storage, fuel efficiency, EV efficiency, torque, force, and currency. ### Does Instant Converter & Calc require an internet connection? All conversions except for currency work fully offline. Currency rates are fetched daily and cached locally, allowing offline access to the last fetched rates. ### Is there a calculator built into Instant Converter & Calc? Yes, there is a full-featured calculator with memory functions (M+, M-, MR, MC) and history. You can also send calculation results directly to the converter. ### How are currency exchange rates updated? Exchange rates are fetched daily from the European Central Bank via frankfurter.dev. No API key or account is needed, and the rates are cached locally for offline access. ### What is the price of Instant Converter & Calc? Instant Converter & Calc is a one-time purchase priced at $4.99. Everything is included with this purchase, and there are no subscriptions. ### Does Instant Converter & Calc have ads? No, Instant Converter & Calc is completely ad-free. The developers prioritize privacy and do not include any advertisements in the application. ### What devices is Instant Converter & Calc available on? Instant Converter & Calc is available on iPhone, iPad, Mac, and the web, offering a consistent experience across all your Apple devices. ## Version history (last 3 releases) ### 1.1.5 — 2026-09-21 • added time zones conversion (local, offsets, by IANA zone name) • added gas mark to temperature conversion (UK specific) • added cl to volume conversion (typical for liquids) • added ability to use both , and . for decimals • added new favorites collection panel • removed default suggestions in recents section • minor bug fixes ### 1.1.4 — 2026-09-03 - added fraction values conversion - added favorites hiding option - UI tweaks ### 1.1.3 — 2026-08-26 No release notes. ## Apps similar to Instant Converter & Calc | App | Rating | Price | Category | | --- | --- | --- | --- | | [Unit Converter - Universal App](https://appshunter.io/ios/app/unit-converter-universal-app/id6751807179) | — | Free | Utilities | | [Visual Subnet Calculator](https://appshunter.io/ios/app/visual-subnet-calculator/id6757129934) | — | Free | Utilities | | [ATEMControl](https://appshunter.io/ios/app/atemcontrol/id1484387159) | — | $4.99 | Utilities | | [GreenWaste Recovery](https://appshunter.io/ios/app/greenwaste-recovery/id6739537351) | 1.3 (7) | Free | Utilities | | [AzireVPN](https://appshunter.io/ios/app/azirevpn/id6745491309) | 3.0 (3) | Free | Utilities | | [International Fixed Calendar](https://appshunter.io/ios/app/international-fixed-calendar/id1107327564) | 3.0 (9) | Free | Utilities | --- *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 2026-10-16.*