# All-In-One: Calculator — Calculator & Unit converter > A free, all-in-one calculator and unit converter with 75+ tools. (iPhone/iPad app by allinonecalculator.com.) - Source: https://appshunter.io/ios/app/all-in-one-calculator/id6749750659 (this page in markdown: same URL + `.md`) - Developer: [allinonecalculator.com](https://appshunter.io/developer/1831923283) - Category: Productivity, Utilities - Price: Free with in-app purchases - Rating: 4.80/5 from 17 App Store ratings · 8 written reviews indexed - Age rating: 4+ - Requires: iOS 16.0 · 92 MB - Languages: American English, Amharic, Arabic, Bangla, Bulgarian, Burmese, Khmer, Croatian, Czech, Danish and 43 more - Released: 2025-09-19 - Data updated: 2026-08-22 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/all-in-one-calculator/id6749750659/reviews.md ## What is All? All-In-One Calculator combines a clean scientific calculator with 50+ calculators and unit converters for everyday use. Get more from your calculator — for FREE! Trusted by over 10 MILLION users worldwide! Scientific calculator • Trigonometry, logarithms, exponents • Graphing calculator: plot functions • Complex number support (√-1 → i) • Fraction results (0.3333 → 1/3) • Memory buttons: MC, M+, M-, MR • Calculator history with notes Currency converter • 160+ currencies, live exchange rates • Convert multiple currencies at once • Works 100% offline Unit converter • Length, weight, volume, temperature • Area, speed, pressure, power, energy • Digital storage, cooking, shoe size • Regional, historic & scientific units • Combined units (ft + in, L + mL) Math calculators • Percentage calculator & discount • Average & proportion calculator • Equation solver: linear, quadratic, etc. • Area & volume of shapes and bodies • Step-by-step solutions Finance calculators • Tip calculator & sales tax calculator • Loan & interest calculator • Unit price comparison Date & health • Age calculator & date calculator • Time between two dates • BMI, body fat & calorie calculator Extra features • Cloud sync across your devices • Calculator widget for your home screen • Simple, classic & modern layouts • AMOLED dark theme to save battery A note from the developer: Hi, I'm Andrei, the developer behind this app. My goal since 2016 has been to create the most comprehensive, clean and easy-to-use calculator on the market, continuously improving it based on your feedback. Try it out and let me know what you think! Terms of use https://www.apple.com/legal/internet-services/itunes/dev/stdeula ## Key features - Over 75 free calculators and converters - Scientific calculator functions - Unit and currency conversions - Algebra and geometry calculators - Finance and health calculators - Editable input and calculation history - Offline currency conversion ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Pro version: Monthly | $1.99 | per month | | Pro version: Yearly | $7.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Pro version: Lifetime | $14.99 | one-time | ## Recent user reviews (8 of 8) All indexed reviews: https://appshunter.io/ios/app/all-in-one-calculator/id6749750659/reviews.md ### 5/5 — It’s all good *2026-06-24* A plus **Developer response:** Thank you for your review! ### 5/5 — The last conversion calculator *2026-05-06* Amazingly comprehensive **Developer response:** Happy to help! ### 3/5 — Abuelo *2026-03-30* Abuelo **Developer response:** Hello! We're sad to see you not fully enjoying our app. If you have any suggestions, feel free to send them to support@allinonecalculator.com. Any feedback is appreciated! ### 5/5 — Great app *2026-03-22* Great app **Developer response:** Thank you for your review! As a new presence on the App Store, positive word-of-mouth is crucial for us. If you're enjoying the app, please feel free to share it with your friends to help us grow. ### 5/5 — Get It Now *2026-02-27* Apple Calc stinks! Best Android alternative 💯 **Developer response:** Thank you for your review! As a new presence on the App Store, positive word-of-mouth is crucial for us. If you're enjoying the app, please feel free to share it with your friends to help us grow. ### 5/5 — JT *2026-01-31* Good app **Developer response:** Thank you for your review! As a new presence on the App Store, positive word-of-mouth is crucial for us. If you're enjoying the app, please feel free to share it with your friends to help us grow. ### 5/5 — It’s convenient *2025-11-30* I like this app , it has everything you need including unit conversions **Developer response:** Thank you for your review! As a new presence on the App Store, positive word-of-mouth is crucial for us. If you're enjoying the app, please feel free to share it with your friends to help us grow. ### 5/5 — BEST calculator ever *2025-09-27* I’ve been using this calculator for very long time. It has EVERYTHING you’d ever need. Sales tax, cooking measurements, and a whole lot more. I purchased the lifetime license. WELL worth the price to remove the ads. Never need another calculator app period. **Developer response:** We sincerely appreciate your review! As a new presence on the App Store, positive word-of-mouth is crucial. If you're enjoying the app, please feel free to share it with your friends to help it grow. ## Frequently asked questions about All ### Does All-In-One: Calculator have ads? Yes, All-In-One: Calculator contains advertisements. This is common for free productivity tools that offer extensive features. ### What is the price of the Pro version of All-In-One: Calculator? The Pro version of All-In-One: Calculator is available through subscription plans. Users can choose a monthly plan for $1.99 or a yearly plan for $6.99, both offering a 3-day free trial. ### Can I use All-In-One: Calculator offline? Yes, the currency converter within All-In-One: Calculator supports offline use for 160 currencies. Other features may require an internet connection for certain functions. ### What devices is All-In-One: Calculator compatible with? All-In-One: Calculator is designed for iOS devices, including iPhone, iPad, and iPod. It is suitable for users who need a powerful calculator on their Apple mobile devices. ### How often is All-In-One: Calculator updated? The latest version of All-In-One: Calculator is 3.2.4, and it was last updated on February 21, 2026. This indicates a commitment to regular updates and improvements. ### What age rating does All-In-One: Calculator have? All-In-One: Calculator has an age rating of 4+. This means it is suitable for users of all ages and does not contain content inappropriate for young children. ### What kind of calculations can I perform with All-In-One: Calculator? You can perform a wide range of calculations, including simple arithmetic, scientific functions, algebra (like equation solving and percentages), geometry, finance (loans, interest), and health metrics (BMI). ### How does the Pro version of All-In-One: Calculator differ from the free version? The Pro version of All-In-One: Calculator likely offers an ad-free experience and potentially additional premium features or advanced functionalities not available in the free version. ## Version history (last 5 releases) ### 3.4.0 — 2026-08-13 • Fixed the slight input lag on some devices • Bug fixes and other improvements ### 3.3.6 — 2026-07-10 • Long calculator formulas now wrap at operators • Bug fixes and performance improvements ### 3.3.4 — 2026-06-20 • Added step-by-step solutions to results • Improved search functionality ### 3.3.2 — 2026-06-05 Advanced calculator options • New toggle to remember last calculation • New toggle to keep screen on Unit converter improvements • Added 450+ new units across all converters • Added more combined units where possible • Removed icons for a cleaner look • Grouped units by category ### 3.3.0 — 2026-05-16 • Added 25 translations: Amharic, Bengali, Burmese, Croatian, Danish, Estonian, Filipino, Hindi, Kazakh, Khmer, Lao, Latvian, Lithuanian, Macedonian, Malay, Nepali, Norwegian, Serbian, Sinhala, Swahili, Tamil, Telugu, Thai, Urdu, Uzbek • Improved calculator formatting for cleaner results • Improved date pickers across the app ## Apps similar to All | App | Rating | Price | Category | | --- | --- | --- | --- | | [SmartSweep&Similar Cleaner](https://appshunter.io/ios/app/smartsweep-and-similar-cleaner/id6754371991) | 4.0 (2) | Free | Productivity | | [Smart Scan for Photos & Videos](https://appshunter.io/ios/app/smart-scan-for-photos-and-videos/id6748015616) | 4.6 (10) | Free | Productivity | | [Handy Clean](https://appshunter.io/ios/app/handy-clean/id6472125151) | 3.3 (3) | Free | Productivity | | [All in One Calculator](https://appshunter.io/ios/app/all-in-one-calculator/id664569132) | 4.7 (183) | Free | Productivity | | [AI Construction Cost Estimator](https://appshunter.io/ios/app/ai-construction-cost-estimator/id6749433415) | 4.5 (12) | Free | Productivity | | [Voice Gallery Manager with Ai](https://appshunter.io/ios/app/voice-gallery-manager-with-ai/id6753211720) | 5.0 (1) | Free | Productivity | ## Related topics [all in one calculator](https://appshunter.io/ios/topics/all-in-one-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 2026-08-22.*