# Duck Calculator vs 进制转换器

The clearest difference is iOS requirement: 进制转换器 at 12.0 against Duck Calculator's 16.0. On price, ads, in-app purchases and device support there is nothing between them.

Duck Calculator costs $0.99 and 进制转换器 $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Duck Calculator | 进制转换器 |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Paid | — |
| Size | 1 MB | 16 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [德铭 何](https://appshunter.io/developer/1690983330) | [春辉 林](https://appshunter.io/developer/1687703456) |

## What reviewers say

### 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


### 进制转换器

[App page](https://appshunter.io/ios/app/id6740689104)

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

**In-app purchases:** none


## Frequently asked questions

### Is Duck Calculator free?

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

### Is 进制转换器 free?

进制转换器 costs $0.99, with no in-app purchases.

### Do Duck Calculator or 进制转换器 have ads?

Neither Duck Calculator nor 进制转换器 shows ads.

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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.*