# 電卓 vs The Calculator

The clearest difference is in-app purchases: 電卓 at none against The Calculator's 3. 電卓 also leads on device support (3 vs 1). The Calculator's advantage is update cadence (weekly vs monthly). On price, ads and iOS requirement there is nothing between them.

Both are free to download. The Calculator sells 3 in-app purchases, starting at $4.99 per month. 電卓 asks for nothing beyond the download.

電卓 ships an update monthly, The Calculator weekly. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 電卓 | The Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-calculator-notes-and-units/id6745772251/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Freemium |
| Size | 15 MB | 16 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [hiroki kaneko](https://appshunter.io/developer/1656579581) | [YiDe Liu](https://appshunter.io/developer/1813803093) |

## What reviewers say

### 電卓

[App page](https://appshunter.io/ios/app/nocon/id6450591444)

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

**In-app purchases:** none


### The Calculator

[App page](https://appshunter.io/ios/app/the-calculator-notes-and-units/id6745772251)

This app combines a powerful calculator with a note-taking feature, allowing you to document calculations as you perform them. It also offers unit and currency conversions, with customizable appearance and settings.

**Highlights:** Integrated notepad for documenting calculations, Unit and currency conversion, Basic, scientific, and conversion calculators, Customizable appearance (light, dark, black), Adjustable number formats and decimal places, History with attachable notes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium | $29.99 | per year |
| Premium | $9.99 | one-time |


## Frequently asked questions

### Is 電卓 free?

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

### Is The Calculator free?

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

### Do 電卓 or The Calculator have ads?

Neither 電卓 nor The Calculator shows ads.

### Which is updated more often, 電卓 or The Calculator?

電卓 ships an update monthly, and The Calculator weekly. Most recently, 電卓 was updated on October 11, 2026 and The Calculator on October 13, 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.*