# Calculator DE vs Water Dust Ejector

The clearest difference is price: Water Dust Ejector at Free against Calculator DE's $1.99. Water Dust Ejector also leads on update cadence (monthly vs every 4 months). Calculator DE's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Water Dust Ejector is free to download; Calculator DE costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator DE ships an update every 4 months, Water Dust Ejector monthly. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Calculator DE | Water Dust Ejector |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-de/id6746577065/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | — |
| Size | 55 MB | 41 MB |
| Requires iOS | 18.6 | **18.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hennadiy Kvasov](https://appshunter.io/developer/1711264190) | [Tarun Kandregula](https://appshunter.io/developer/1875299021) |

## What reviewers say

### Calculator DE

[App page](https://appshunter.io/ios/app/calculator-de/id6746577065)

Experience a visually stunning calculator with a sleek, glass-inspired interface and interactive 3D numbers. Customize themes to match your device and enjoy smart input with live expression previews. Keep track of your calculations with a detailed history and feel every tap with haptic feedback.

**Highlights:** Glassmorphic design, iPhone-matched themes, Smart input with live preview, Computation history, Haptics and animations, Customizable color themes

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

**In-app purchases:** none


### Water Dust Ejector

[App page](https://appshunter.io/ios/app/water-dust-ejector/id6759103818)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator DE free?

Calculator DE costs $1.99, with no in-app purchases.

### Is Water Dust Ejector free?

Water Dust Ejector is free to download, with no in-app purchases.

### Do Calculator DE or Water Dust Ejector have ads?

Water Dust Ejector shows ads; Calculator DE does not.

### Which is updated more often, Calculator DE or Water Dust Ejector?

Calculator DE ships an update every 4 months, and Water Dust Ejector monthly. Most recently, Calculator DE was updated on October 21, 2026 and Water Dust Ejector on October 16, 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.*