# BNStopwatch vs 勉強タイマー

The clearest difference is price: BNStopwatch at Free against 勉強タイマー's $0.99. BNStopwatch also leads on update cadence (every 4 days vs every 4 weeks) and device support (4 vs 1). 勉強タイマー's advantage is review sentiment (100% vs 56%) and in-app purchases (none vs 1). On iOS requirement there is nothing between them.

BNStopwatch is free to download; 勉強タイマー costs $0.99 up front. BNStopwatch sells 1 one-off in-app purchase. 勉強タイマー asks for nothing beyond the download.

BNStopwatch ships an update every 4 days, 勉強タイマー every 4 weeks. Both last shipped on November 6, 2026.

## The numbers

| Metric | BNStopwatch | 勉強タイマー |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.3 (35 ratings)](https://appshunter.io/ios/app/bnstopwatch/id1082090048/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 56.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 4 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 10 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple TV, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MOLABO](https://appshunter.io/developer/409682566) | [SMART BIT K.K](https://appshunter.io/developer/1896559487) |

## What reviewers say

### BNStopwatch

[App page](https://appshunter.io/ios/app/bnstopwatch/id1082090048)

A digital stopwatch featuring large, bold numbers for easy readability from afar. It allows for lap time recording, color customization, and is available across multiple Apple devices. Ideal for various timing needs from sports to meetings.

**Highlights:** Large, clear display, Lap time recording, Color customization, Multi-device support (iPhone, iPad, Apple Watch), Ideal for presentations and games

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $0.99 | one-time |


### 勉強タイマー

[App page](https://appshunter.io/ios/app/id6794773283)

A visual countdown timer that helps you manage study, work, and break times. Color bars decrease to show remaining time at a glance, with customizable skins and sound options. Works offline and requires no account.

**Highlights:** Visual countdown timer with color bars, Adjustable time settings up to 199 minutes, Large horizontal display for easy viewing, Customizable aluminum-style skins, Adjustable notification sounds and haptic feedback, Offline functionality

**In-app purchases:** none


## Frequently asked questions

### Is BNStopwatch free?

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

### Is 勉強タイマー free?

勉強タイマー costs $0.99, with no in-app purchases.

### Do BNStopwatch or 勉強タイマー have ads?

BNStopwatch shows ads; 勉強タイマー does not.

### Which is updated more often, BNStopwatch or 勉強タイマー?

BNStopwatch ships an update every 4 days, and 勉強タイマー every 4 weeks. Most recently, BNStopwatch was updated on November 6, 2026 and 勉強タイマー on November 6, 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.*