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

The clearest difference is ads: DsStopWatch at none against bwCalc（シンプルにデザインされた計算機、税込みも表示）'s shown. DsStopWatch also leads on rating (4.3 vs 4.0) and monetization model (free vs ad-supported). 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 iOS requirement (10.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DsStopWatch holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 1 and 3 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, DsStopWatch every 2 months. The most recent releases landed on June 5, 2026 and June 7, 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） | DsStopWatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/bwcalc/id577013549/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/dsstopwatch/id1502099992/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 15 MB | 9 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [Ryuichi Kato](https://appshunter.io/developer/1501068459) |

## 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


### DsStopWatch

[App page](https://appshunter.io/ios/app/dsstopwatch/id1502099992)

This utility allows for precise time measurement with multiple stopwatches. It offers real-time recording, saving, and copying of time data in CSV format. Advanced features include button operation customization, lock mode for preventing accidental presses, and the ability to synchronize operations.

**Highlights:** Multiple stopwatches, Real-time time recording, Save and copy time records (CSV), Customizable button operations, Lock mode for accidental presses, Light and dark screen modes, Operation cancellation and modification

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 DsStopWatch free?

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

### 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 DsStopWatch?

DsStopWatch 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 DsStopWatch averages 4.3 from 3 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 DsStopWatch have ads?

bwCalc（シンプルにデザインされた計算機、税込みも表示） shows ads; DsStopWatch does not.

### 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 DsStopWatch?

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 DsStopWatch every 2 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 DsStopWatch on June 7, 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.*