# Calculator AiO — Basic, Advanced, Scientific > All-in-one calculator with photo math, AI chat, graphing, and secure vault. (iPhone/iPad app by Matteus Barhaido.) - Source: https://appshunter.io/ios/app/calculator-aio/id6451085002 (this page in markdown: same URL + `.md`) - Developer: [Matteus Barhaido](https://appshunter.io/developer/1696503834) - Category: Utilities, Productivity - Price: Free with in-app purchases - Rating: 5.00/5 from 5 App Store ratings - Age rating: 4+ - Requires: iOS 18.0 · 41 MB - Languages: American English - Released: 2023-10-20 - Data updated: 2026-08-16 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/calculator-aio/id6451085002/reviews.md ## What is Calculator AiO? Introducing Calculator AiO — the calculator that adapts to how you work. Type on a crisp keypad, snap a photo of a problem, draw on a grid, chat with Math-AI, plot graphs, convert units and currency, and keep private media in a secure Vault. Your calculation history is always saved. 1) Calculator • All-in-One A fast, accurate keypad with advanced operators, history/tape, and undo/redo. Designed for clarity and speed. 2) Capture & Solve (Photo Math) Take a picture of an equation and get the step-by-step solution in seconds. Great for checking work anywhere. 3) Ask Math-AI to Solve Chat with a built-in math assistant. From quick arithmetic to tougher problems, get concise, plain-text steps and explanations. 4) Draw & Get Instant Results Write on a clean grid and see the expression recognized and evaluated immediately. 5) Plot Graphs & Inspect Plot linear, quadratic, polynomial, trigonometric, and more. Pan/zoom smoothly and inspect roots and intercepts. 6) Secure Images & Videos (Vault) Lock private media behind passcode/biometrics. Your files stay private and organized the way you want it. 7) Convert Units & Currency Quickly convert lengths, weights, temperatures, and more — plus live currency conversion. 8) Change Color Themes Personalize your workspace with multiple themes and adjustable font sizes. Why you’ll love it • Ad-free, privacy-minded design • Multiple input modes: keypad • camera • handwriting • Math-AI chat • Saved history you can revisit and reuse • Beautiful, responsive UI with thoughtful haptics • Angle units: degrees • radians • gradians (gon) • Advanced math: powers, roots, logs, trig, calculus helpers, and more Calculator AiO turns every kind of input — photo, drawing, text, or chat — into fast, reliable results with clean explanations and powerful tools. All in one. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://spectralmoose.com/privacy ## Key features - Keypad calculator with history - Photo math for equation solving - AI chat for math assistance - Handwriting recognition - Graph plotting - Unit and currency converter - Secure media vault ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Pro Member - Monthly | $8.99 | per month | | Pro Member - Annually | $79.99 | per year | ## Frequently asked questions about Calculator AiO ### Does Calculator AiO have ads? No, Calculator AiO is designed to be ad-free, providing an uninterrupted user experience. ### What are the subscription plans for Calculator AiO? Calculator AiO offers a 'Pro Member' subscription with monthly ($8.99) and annual ($79.99) options, unlocking premium features. ### What devices is Calculator AiO compatible with? Calculator AiO is available for iPhone, iPad, and iPod touch devices. ### How often is Calculator AiO updated? Calculator AiO was last updated on August 23, 2025, indicating regular maintenance and feature additions. ### What is the age rating for Calculator AiO? Calculator AiO has an age rating of 4+, making it suitable for a wide range of users. ### Can Calculator AiO solve handwritten math problems? Yes, Calculator AiO features a 'Draw & Get Instant Results' mode that recognizes and evaluates handwritten expressions on a grid. ### What makes Calculator AiO's privacy features stand out? Calculator AiO includes a secure Vault for private media, protected by passcode or biometrics, ensuring your files remain private and organized. ### How does Calculator AiO's Math-AI feature work? You can chat with the built-in Math-AI assistant in Calculator AiO to get concise, plain-text steps and explanations for arithmetic and more complex math problems. ## Version history (last 5 releases) ### 3.0.1 — 2026-08-13 • Amplified UI: a full visual overhaul for a cleaner, faster, more accessible experience. • Bug fixes ### 3.0.0 — 2025-08-23 The 3.0.0 is here! • Amplified UI: a full visual overhaul for a cleaner, faster, more accessible experience. • Updated core features across Calculator, Photo Math, Graphing, Math Ai and Vault. • NEW: Draw Math — write on a grid and get instant results. • NEW: Color Themes — personalize the entire app. • NEW: Photo Math. • NEW: Math-AI • NEW: Unit & Currency Converter — quick everyday conversions. • We've noticed inappropriate language-translations hence, some languages have been removed for now! ### 2.2.4 — 2024-10-28 Small Bug Fixes! ### 2.2.3 — 2024-06-06 Vast amount of bug fixes! ### 2.2.2 — 2024-06-06 Vast amount of bugfixes ## Apps similar to Calculator AiO | App | Rating | Price | Category | | --- | --- | --- | --- | | [Calc: Multiline calculator](https://appshunter.io/ios/app/calc-multiline-calculator/id6482418917) | 4.9 (29) | Free | Utilities | | [Big Yellow Calculator](https://appshunter.io/ios/app/big-yellow-calculator/id6446835863) | 5.0 (1) | Free | Utilities | | [VoxCalculator](https://appshunter.io/ios/app/voxcalculator/id6476790594) | — | Free | Utilities | | [My Talking Calculator](https://appshunter.io/ios/app/my-talking-calculator/id1153356573) | 3.7 (3) | Free | Utilities | | [Scientific Calc](https://appshunter.io/ios/app/scientific-calc/id456710555) | 3.7 (3) | $1.99 | Utilities | | [iCalc Lite - Calculator](https://appshunter.io/ios/app/icalc-lite-calculator/id1041676541) | 4.6 (12) | Free | Utilities | ## More apps by Matteus Barhaido - [Astro Defender - Alien Shooter](https://appshunter.io/ios/app/astro-defender-alien-shooter/id6479370999) - [Kick Pro](https://appshunter.io/ios/app/kick-pro/id6747983186) All apps by Matteus Barhaido: https://appshunter.io/developer/1696503834 --- *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 2026-08-16.*