# 计算管家Pro vs Duck Calculator

The clearest difference is review sentiment: Duck Calculator at 100% against 计算管家Pro's 70%. Duck Calculator also leads on price ($0.99 vs $4.99). 计算管家Pro's advantage is update cadence (every 5 days vs every 7 months) and iOS requirement (10.0 vs 16.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

计算管家Pro costs $4.99 and Duck Calculator $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

计算管家Pro ships an update every 5 days, Duck Calculator every 7 months. Both last shipped on October 11, 2026.

## The numbers

| Metric | 计算管家Pro | Duck Calculator |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pro/id1609629676/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 70.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 7 months |
| Monetization | Paid | Paid |
| Size | 29 MB | 1 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [晓明 梁](https://appshunter.io/developer/1516662750) | [德铭 何](https://appshunter.io/developer/1690983330) |

## What reviewers say

### 计算管家Pro

[App page](https://appshunter.io/ios/app/pro/id1609629676)

A powerful calculator app that allows for touch-based calculations and algebraic input. Save, share, and edit your calculation history with ease. Features include rich functions, text boxes, constants, and graphing capabilities for all your life, work, and study needs.

**Highlights:** Touch-based calculations, Algebraic input, Save and edit calculation history, Copy and share calculations, Zoomable display, Rich function library, Graphing capabilities

**Features:** Vision Pro support

**In-app purchases:** none


### Duck Calculator

[App page](https://appshunter.io/ios/app/duck-calculator/id6739608733)

This app appears as a standard calculator but has a hidden "magic" mode. It can display preset text or images when a specific number is calculated, offering creative surprises for pranks or confessions.

**Highlights:** Accurate standard calculations, Magic mode for custom results, Display preset text or pictures, Customizable magic effects, Secret and low-key design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 计算管家Pro free?

计算管家Pro costs $4.99, with no in-app purchases.

### Is Duck Calculator free?

Duck Calculator costs $0.99, with no in-app purchases.

### Do 计算管家Pro or Duck Calculator have ads?

Neither 计算管家Pro nor Duck Calculator shows ads.

### Which is updated more often, 计算管家Pro or Duck Calculator?

计算管家Pro ships an update every 5 days, and Duck Calculator every 7 months. Most recently, 计算管家Pro was updated on October 11, 2026 and Duck Calculator on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*