# OmniCalc - Calculator & Notes — History, Totals & Budgets > A calculator app with notes, saved history, and one-tap totals for tracking calculations. (iPhone/iPad app by 飞龙 杨.) - Source: https://appshunter.io/ios/app/omnicalc-calculator-and-notes/id6760615662 (this page in markdown: same URL + `.md`) - Developer: [飞龙 杨](https://appshunter.io/developer/1686016407) - Category: Utilities, Productivity - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 3 MB - Languages: American English, Chinese (Simplified, China) - Released: 2026-03-28 - Data updated: 2026-10-02 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/omnicalc-calculator-and-notes/id6760615662/reviews.md ## What is OmniCalc? Give every number a meaning. OmniCalc is a calculator with notes, saved history, and one-tap totals, so you can keep track of both the answer and how you got there. ADD NOTES TO NUMBERS AND CALCULATIONS Label individual numbers as price, quantity, shipping, or anything else you need. Add a note to the whole calculation to make it easy to understand later. TOTAL MULTIPLE RESULTS Keep related calculations on one page and add up all results with one tap. Useful for grocery lists, travel expenses, and everyday spending. KEEP PROJECTS SEPARATE Create separate calculation pages for costs, quotes, and budgets. Enter your own numbers and expressions, then keep the steps for future reference. FIND AND REUSE YOUR HISTORY Search by title or notes, filter by date, and reopen saved calculations to continue working. Share calculation records as images. EVERYDAY MATH, YOUR WAY Use arithmetic, parentheses, and percentages with live result previews. Choose 0–10 decimal places, thousands separators, light or dark appearance, and eight keyboard color themes. Supports English and Simplified Chinese. PRIVACY Expressions, calculation results, history, and note contents stay on your device. The calculator works offline. Usage analytics is enabled by default and sends a random installation ID, usage counts, foreground duration, device/app information, and country/region inferred from the connection IP to the developer-operated service. No ads, advertising identifiers, or cross-app tracking. USER FEEDBACK Only when you submit feedback, we receive your message, optional contact details, and selected images to handle your request and reply. Images are compressed and original metadata is removed before upload. Calculation history, installation IDs, and diagnostic logs are not automatically attached. Feedback is kept online for 180 days; backups may retain it for up to 7 additional days. ## Key features - Add notes to numbers and calculations - Total multiple results with one tap - Keep projects separate with calculation pages - Searchable and reusable calculation history - Live result previews and customizable appearance - Offline functionality ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/omnicalc-calculator-and-notes/id6760615662/reviews.md ### 5/5 — 实用 *2026-09-23* 很方便，还可以记录，很实用 ## Frequently asked questions about OmniCalc ### What is OmniCalc? OmniCalc is a calculator app that allows you to add notes to numbers and calculations, group related results for easy totaling, and keep projects separate. It also features a searchable history and customizable appearance options. ### Can I use OmniCalc offline? Yes, OmniCalc works offline. All expressions, calculation results, history, and note contents stay on your device, ensuring privacy and accessibility without an internet connection. ### Does OmniCalc have ads? No, OmniCalc is ad-free. The app does not contain any advertisements, advertising identifiers, or cross-app tracking. ### What devices does OmniCalc support? OmniCalc is available for iPhone and iPad devices. It has been optimized for these platforms to provide a seamless user experience. ### How often is OmniCalc updated? The latest version of OmniCalc is 1.0.3, which was last updated on October 1, 2026. Updates are released to improve functionality and user experience. ### What is the age rating for OmniCalc? OmniCalc has an age rating of 4+. This indicates that the app is suitable for users aged four and older, with no mature content. ### How is my privacy protected in OmniCalc? Your privacy is protected as expressions, calculation results, history, and note contents remain on your device. Usage analytics are enabled by default but send anonymized data without advertising identifiers or cross-app tracking. ### Can I share my calculations from OmniCalc? Yes, you can share calculation records as images from OmniCalc. This feature allows you to easily send your results or project breakdowns to others. ## Version history (last 4 releases) ### 1.0.3 — 2026-10-01 Bug fixes. ### 1.0.2 — 2026-09-28 Bug fixes and stability improvements. ### 1.0.1 — 2026-09-26 • Fixed a crash that could occur when saving calculation history. • Added optional usage analytics with a switch in Settings to help improve OmniCalc. • Updated privacy information. Expressions, results, and notes remain on your device. ### 1.0 — 2026-03-28 No release notes. ## Apps similar to OmniCalc | App | Rating | Price | Category | | --- | --- | --- | --- | | [Modern Calculator - All-in-One](https://appshunter.io/ios/app/modern-calculator-all-in-one/id6478195210) | — | Free | Utilities | | [Calculator: AI Math Solver Pro](https://appshunter.io/ios/app/calculator-ai-math-solver-pro/id6763053970) | — | Free | Utilities | | [Calculators Plus](https://appshunter.io/ios/app/calculators-plus/id6790728524) | — | Free | Utilities | | [CalBasic](https://appshunter.io/ios/app/calbasic/id1636031976) | 5.0 (3) | Free | Utilities | | [Super Calc Pro+](https://appshunter.io/ios/app/super-calc-pro-plus/id6761375071) | — | Free | Utilities | | [CalculatorRe](https://appshunter.io/ios/app/calculatorre/id6446059337) | 5.0 (2) | 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 2026-10-02.*