# Calcova: Scientific Calculator — Basic & Scientific Calculator

> Basic & Scientific Calculator (iPhone/iPad app by Ly Hong Phat.)

- Source: https://appshunter.io/ios/app/calcova-scientific-calculator/id6769450028 (this page in markdown: same URL + `.md`)
- Developer: [Ly Hong Phat](https://appshunter.io/developer/1749760941)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 5 MB
- Languages: American English
- Released: 2026-05-15
- Data updated: 2026-08-17
- User reviews in markdown: https://appshunter.io/ios/app/calcova-scientific-calculator/id6769450028/reviews.md

## What is Calcova?

Calcova – Scientific Calculator & Math Solver

Calcova is a fast, modern scientific calculator app for students, engineers, and power users who need accuracy, speed, and clarity in everyday and advanced calculations.

Built with a clean SwiftUI interface, Calcova lets you solve complex expressions instantly with full support for parentheses, operator precedence, nested functions, powers, percentages, logarithms, constants, and trigonometric functions—all in a smooth, responsive experience.

Whether you’re solving homework problems, performing engineering calculations, or handling quick daily math, Calcova delivers a reliable, distraction-free calculation workflow.

Key Features (Free)

* Full scientific calculator with advanced expression parsing
* Supports parentheses, percentages, powers, roots, and nested functions
* Scientific functions: sin, cos, tan, sqrt, e, log, ln, 1/x, factorial, absolute value and more.
* Live expression preview for real-time calculation feedback
* Persistent calculation history for quick reference
* Degree & radian mode switching
* Precision control for accurate results
* Smooth gestures, tactile haptics, and a modern dark-first UI

Calcova Pro (Premium Upgrade)

Unlock advanced tools designed for power users and professionals:

* Inverse trigonometric functions (asin, acos, atan)
* Extended precision mode for high-accuracy calculations
* Expanded factorial and advanced computation support
* Smart history tools with search, pinning, and favorites
* Reusable formula library for recurring calculations
* Premium UI themes: Midnight Glass, Neon Graphite, Sunset Ember.

Subscription & Billing

Calcova Pro is available via auto-renewable subscriptions powered by StoreKit.
Includes:

* Easy subscription management
* Transparent pricing details in-app
* Restore purchases support across devices

Why Calcova?

Calcova is designed for users who want more than a basic calculator. It combines a scientific calculator, expression engine, and productivity tool into one streamlined app - helping you calculate faster, reduce errors, and stay focused.

Terms of service: https://calcova.saposs.com/terms-of-service

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Calcova Pro Monthly | $2.99 | per month |
| Calcova Pro Yearly | $12.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Calcova Pro LifeTime | $34.99 | one-time |



## Version history (last 5 releases)

### 1.5.3 — 2026-08-11

Three new keys. More power.

New Keys:
sin⁻¹ — Find angles from sine values with inverse sine.
x² — Square any number instantly. No extra multiplication needed.
MOD — Get the remainder of a division directly.

Faster calculations, fewer steps
Calcova just got more powerful — while keeping the keypad simple and easy to use.

### 1.2.3 — 2026-06-02

Now supports localized App Store metadata in Chinese (Traditional & Simplified), Japanese, Korean, and Vietnamese.

### 1.1.3 — 2026-05-21

* Replaced the “Arctic Minimal” theme with a new Sunset Ember design - a warm, modern orange-red visual style for a more premium look and feel.
* Improved overall app performance for a faster, smoother, and more responsive calculation experience.

### 1.1.1 — 2026-05-18

* Math Card Export — share beautiful calculation results instantly
* Limited timeline history in Free plan (Pro plan only supported for full access)

### 1.0 — 2026-05-15

No release notes.

## More apps by Ly Hong Phat

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- [MiniScheduler](https://appshunter.io/ios/app/minischeduler/id6760565494)

All apps by Ly Hong Phat: https://appshunter.io/developer/1749760941

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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 2026-08-17.*