# 電卓&ストップウォッチ vs 目指せ雑学王!

The clearest difference is review sentiment: 電卓&ストップウォッチ at 100% against 目指せ雑学王!'s 67%. 目指せ雑学王!'s advantage is iOS requirement (9.0 vs 13.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

電卓&ストップウォッチ ships an update every 19 months, 目指せ雑学王! every 20 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 電卓&ストップウォッチ | 目指せ雑学王! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 19 months** | Every 20 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 19 MB | 18 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ametiar](https://appshunter.io/developer/1465452317) | [Junpei Shimotsu](https://appshunter.io/developer/882299124) |

## What reviewers say

### 電卓&ストップウォッチ

[App page](https://appshunter.io/ios/app/and/id1465452318)

This app combines a stopwatch, numerical counter, and calculator into a single, easy-to-use interface. It allows for simultaneous operation of all three tools, simplifying daily tasks.

**Highlights:** Simultaneous operation, Stopwatch, Numerical counter, Calculator, Simple interface

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

**In-app purchases:** none


### 目指せ雑学王!

[App page](https://appshunter.io/ios/app/id1475754104)

Learn the origins and meanings of kanji through a quiz format. Explore categories based on pictographic roots and earn gold medals by achieving perfect scores. This app offers a quick and engaging way to study kanji.

**Highlights:** Learn kanji origins and meaning, Categorized kanji studies, Multiple-choice questions, Earn gold medals for perfect scores, 150 kanji questions included

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 電卓&ストップウォッチ free?

電卓&ストップウォッチ is free to download, with no in-app purchases.

### Is 目指せ雑学王! free?

目指せ雑学王! is free to download, with no in-app purchases.

### Do 電卓&ストップウォッチ or 目指せ雑学王! have ads?

Both 電卓&ストップウォッチ and 目指せ雑学王! show ads.

### Which is updated more often, 電卓&ストップウォッチ or 目指せ雑学王!?

電卓&ストップウォッチ ships an update every 19 months, and 目指せ雑学王! every 20 months. Most recently, 電卓&ストップウォッチ was updated on October 24, 2026 and 目指せ雑学王! on October 15, 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.*