# UMEUS vs Duck Calculator

The clearest difference is price: UMEUS at Free against Duck Calculator's $0.99. UMEUS also leads on update cadence (every 6 weeks vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

UMEUS is free to download; Duck Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UMEUS ships an update every 6 weeks, Duck Calculator every 7 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | UMEUS | Duck Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | — | Paid |
| Size | 100 MB | 1 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Hococo ApS](https://appshunter.io/developer/1481831457) | [德铭 何](https://appshunter.io/developer/1690983330) |

## What reviewers say

### UMEUS

[App page](https://appshunter.io/ios/app/umeus/id1590100609)

**Features:** macOS Compatibility, 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 UMEUS free?

UMEUS is free to download, with no in-app purchases.

### Is Duck Calculator free?

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

### Do UMEUS or Duck Calculator have ads?

Neither UMEUS nor Duck Calculator shows ads.

### Which is updated more often, UMEUS or Duck Calculator?

UMEUS ships an update every 6 weeks, and Duck Calculator every 7 months. Most recently, UMEUS was updated on October 13, 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.*