# Calculator vs 墨壺CAD

The clearest difference is in-app purchases: 墨壺CAD at none against Calculator's 4. 墨壺CAD also leads on ads (none vs shown) and update cadence (daily vs every 6 weeks). Calculator's advantage is iOS requirement (13.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Calculator sells 4 in-app purchases, starting at $0.49 per month. 墨壺CAD asks for nothing beyond the download.

Calculator ships an update every 6 weeks, 墨壺CAD daily. The most recent releases landed on November 6, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Calculator | 墨壺CAD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (45 ratings)](https://appshunter.io/ios/app/calculator-simple-and-stylish/id716402949/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 84.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [woodsmall inc.](https://appshunter.io/developer/708077492) | [JUN MIYAKE](https://appshunter.io/developer/1871194741) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-simple-and-stylish/id716402949)

This app offers a stylish and user-friendly calculator experience with advanced features like percent, constant, exponential, and compound interest calculations. Customize themes and display settings to suit your preferences.

**Highlights:** Percent calculations, Constant calculations (Casio-style), Exponential calculations, Compound interest calculations, Input up to 12 digits, Customizable themes and display, Decimal rounding settings

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $0.49 | per month |
| 6 months plan | $2.99 | per 6 months |
| Annual plan | $5.99 | per year |
| Pay in full | $7.99 | one-time |


### 墨壺CAD

[App page](https://appshunter.io/ios/app/cad/id6817598568)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

Calculator is free to download, with in-app purchases available.

### Is 墨壺CAD free?

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

### Do Calculator or 墨壺CAD have ads?

Calculator shows ads; 墨壺CAD does not.

### Which is updated more often, Calculator or 墨壺CAD?

Calculator ships an update every 6 weeks, and 墨壺CAD daily. Most recently, Calculator was updated on November 6, 2026 and 墨壺CAD on October 26, 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.*