# bwCalc（シンプルにデザインされた計算機、税込みも表示） vs Cuspart

The clearest difference is rating: Cuspart at 5.0 against bwCalc（シンプルにデザインされた計算機、税込みも表示）'s 4.0. bwCalc（シンプルにデザインされた計算機、税込みも表示）'s advantage is in-app purchases (none vs 4) and iOS requirement (10.0 vs 16.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Cuspart sells 4 in-app purchases, starting at $0.99 per month. bwCalc（シンプルにデザインされた計算機、税込みも表示） asks for nothing beyond the download.

Cuspart holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

bwCalc（シンプルにデザインされた計算機、税込みも表示） ships an update every 3 months, Cuspart every 4 months. The most recent releases landed on June 5, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | bwCalc（シンプルにデザインされた計算機、税込みも表示） | Cuspart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/bwcalc/id577013549/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cuspart-mycal/id1546543143/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 15 MB | 13 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### bwCalc（シンプルにデザインされた計算機、税込みも表示）

[App page](https://appshunter.io/ios/app/bwcalc/id577013549)

A calculator app designed with aesthetic themes for iPhones, offering features like tax calculation, history logging, and font customization. It also includes advanced 10-bit, 2-bit, and 16-bit conversion capabilities.

**Highlights:** Themed calculator designs (Black, White, Color, Classic), Copy/paste results with double-tap, Swipe to delete digits, Tax calculation with input copying, Number font customization, Calculation history with swipe-to-delete, Binary, decimal, and hexadecimal conversion

**Features:** macOS Compatibility

**In-app purchases:** none


### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-mycal/id1546543143)

This app offers a professional-grade calculator with advanced math functions, a constants library, and intuitive history tracking. Customize your experience with various color themes and an accessible interface designed for ease of use.

**Highlights:** Basic and advanced arithmetic, Roots, powers, and logarithms, Constants library (π, e), Operation history, Customizable color themes, Accessible UI design

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $0.99 | per month |
| 3 Month Subscription | $2.99 | per 3 months |
| 12 Month Subscription | $9.99 | per year |
| Remove Ads | $2.49 | one-time |


## Frequently asked questions

### Is bwCalc（シンプルにデザインされた計算機、税込みも表示） free?

bwCalc（シンプルにデザインされた計算機、税込みも表示） is free to download, with no in-app purchases.

### Is Cuspart free?

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

### Which has better reviews, bwCalc（シンプルにデザインされた計算機、税込みも表示） or Cuspart?

Cuspart is rated higher. bwCalc（シンプルにデザインされた計算機、税込みも表示） averages 4.0 out of 5 from 1 ratings, while Cuspart averages 5.0 from 1 ratings.

### Do bwCalc（シンプルにデザインされた計算機、税込みも表示） or Cuspart have ads?

Both bwCalc（シンプルにデザインされた計算機、税込みも表示） and Cuspart show ads.

### Which is updated more often, bwCalc（シンプルにデザインされた計算機、税込みも表示） or Cuspart?

bwCalc（シンプルにデザインされた計算機、税込みも表示） ships an update every 3 months, and Cuspart every 4 months. Most recently, bwCalc（シンプルにデザインされた計算機、税込みも表示） was updated on June 5, 2026 and Cuspart on September 21, 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.*