# GeniusCalc: Smart Calculator — All-in-one Math&Unit Solver

> All-in-one Math&Unit Solver (iPhone/iPad app by 明菊 唐.)

- Source: https://appshunter.io/ios/app/geniuscalc-smart-calculator/id6802524358 (this page in markdown: same URL + `.md`)
- Developer: [明菊 唐](https://appshunter.io/developer/6802483393)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.5 · 14 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-08-31
- Data updated: 2026-10-10
- User reviews in markdown: https://appshunter.io/ios/app/geniuscalc-smart-calculator/id6802524358/reviews.md

## What is GeniusCalc?

Genius Calculator is a lightweight, powerful, and all-in-one calculation tool for daily use, student learning, engineering research, and financial scenarios. Fast calculation, accurate results, and highly customizable design bring you a simple and professional computing experience.

【Core Features】
1. Calculation｜Basic & Scientific
• Basic calculator: Addition, subtraction, multiplication, division, percentage and decimal operations for daily accounting.
• Scientific calculator: Trigonometry, logarithm, exponent, square root and complex formulas for academic and professional use.

2. Conversion｜Unit & Currency & Time
• Unit conversion: Length, weight, area, volume, temperature, speed and more.
• Real-time exchange rate: Global currency conversion with updated rates.
• Time tools: Date interval, countdown, world clock and timezone lookup.

3. Toolbox｜Professional Computing
• Statistical calculation: Mean, variance, standard deviation and data analysis.
• Family relationship calculator: Intelligent kinship title inference.
• Equation solver: Solve linear, quadratic and cubic equations automatically.
• Abacus Calculator: Added abacus calculator with authentic bead operation.


4. Personalization
• Multiple stylish UI themes
• Custom keypress sound effects
• Real human voice reading for results
• Adjustable decimal precision
• Full English / Chinese bilingual support

【User Experience】
Ultra-fast response, one-hand friendly layout, lightweight size and low power consumption. Smooth and clean for daily and professional calculation.

【Premium Membership】
Start your free trial to unlock all advanced tools and remove ads for a pure professional calculation experience.

—— Subscription & Pricing Information ——
Genius Calc Pro subscription unlocks all advanced calculation tools and removes all ads:
• Annual Auto‑Renewable Subscription
• Monthly Auto‑Renewable Subscription
• Lifetime One‑Time Purchase (non‑renewing)

Payment will be charged to your iTunes account upon purchase confirmation. Auto‑renewable subscription renews automatically within 24‑hours before the end of current period unless auto‑renewal is turned off at least 24‑hours prior to the end of the current period. You may manage or cancel subscriptions in Settings > Apple ID > Subscriptions. Cancellation takes effect at the end of the active subscription period.

Terms of Use: https://www.geniuscalu.com/terms.html
Privacy Policy: https://www.geniuscalu.com/privacy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly VIP | $3.99 | per month |
| Yearly VIP | $6.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime VIP | $9.99 | one-time |



## Version history (last 3 releases)

### 1.2 — 2026-09-29

New Feature: Abacus Calculator
We’ve added a traditional abacus tool in this update. It faithfully reproduces the rules of bead arithmetic. Slide beads to calculate and experience the charm of this ancient computing method, great for learning and casual calculation.

Improvements

- Optimized screen orientation switching. Abacus page supports landscape display
- Fixed multiple minor issues and improved overall performance

### 1.1 — 2026-09-11

We’ve added a free trial for membership. Enjoy all premium features during the trial period. This update also fixes known issues and improves app stability.

### 1.0 — 2026-08-31

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 2026-10-10.*