# OmniCalc - Smart Calculator — Expression Calc with Notes

> Expression Calc with Notes (iPhone/iPad app by 飞龙 杨.)

- Source: https://appshunter.io/ios/app/omnicalc-smart-calculator/id6760615662 (this page in markdown: same URL + `.md`)
- Developer: [飞龙 杨](https://appshunter.io/developer/1686016407)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-03-28
- Data updated: 2026-05-20
- User reviews in markdown: https://appshunter.io/ios/app/omnicalc-smart-calculator/id6760615662/reviews.md

## What is OmniCalc?

OmniCalc is a clean and powerful smart calculator designed for users who value calculation records and privacy.

【Core Features】
• Expression Calculator — Full math expression input with parentheses, percentages, and correct operator precedence
• Live Preview — See results instantly as you type
• History Notes — Add remarks to each calculation record for easy reference (e.g., travel expenses, meals)
• Operand Notes — Annotate individual numbers in an expression to record what each amount represents
• One-Tap Sum — Automatically total all results on the current page

【Calculation Page Management】
• Multi-Page — Organize calculations by project or scenario
• Search & Filter — Search by title and notes, filter by date range
• Share Records — Export calculation records as images

【Customization】
• 8 Keyboard Themes — Classic, Ocean, Forest, Sunset, Violet, Sakura, Midnight, Mint
• Appearance — Light / Dark / System
• Precision Control — Custom decimal places (0–10), thousands separator, scientific notation
• Interaction Feedback — Key sound and haptic feedback can be toggled independently

【Multi-Language】
Supports 13 languages including English and Simplified Chinese. Switch interface language anytime.

【Privacy First】
All data is stored locally on your device. No network connection required. No personal data collected. No ads or third-party tracking.


## Version history (last 1 release)

### 1.0 — 2026-03-28

No release notes.

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*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 2026-05-20.*