# 電圧電流抵抗!!計算アプリ vs ちょこ暗 算数

The clearest difference is price: ちょこ暗 算数 at Free against 電圧電流抵抗!!計算アプリ's $0.99. ちょこ暗 算数 also leads on update cadence (every 5 weeks vs every 11 months). 電圧電流抵抗!!計算アプリ's advantage is in-app purchases (none vs 2) and iOS requirement (9.0 vs 17.0). On ads and device support there is nothing between them.

ちょこ暗 算数 is free to download; 電圧電流抵抗!!計算アプリ costs $0.99 up front. ちょこ暗 算数 sells 2 in-app purchases, starting at $0.99 per month. 電圧電流抵抗!!計算アプリ asks for nothing beyond the download.

電圧電流抵抗!!計算アプリ ships an update every 11 months, ちょこ暗 算数 every 5 weeks. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 電圧電流抵抗!!計算アプリ | ちょこ暗 算数 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 12 MB | 15 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takaaki Sasaki](https://appshunter.io/developer/525616408) | [Always Sunny Ltd.](https://appshunter.io/developer/572443468) |

## What reviewers say

### 電圧電流抵抗!!計算アプリ

[App page](https://appshunter.io/ios/app/id549707497)

Calculate voltage, current, and resistance values quickly and easily. This app simplifies electrical calculations, eliminating the need for manual computation on paper. Ideal for situations where you need to determine electrical values on the go.

**Highlights:** Calculate voltage, current, and resistance, Simple and easy to use interface, Eliminates manual calculation, Quick results, Useful for business and daily life

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

**In-app purchases:** none


### ちょこ暗 算数

[App page](https://appshunter.io/ios/app/id6469766855)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $0.99 | per month |
| 年額プラン | $4.99 | per year |


## Frequently asked questions

### Is 電圧電流抵抗!!計算アプリ free?

電圧電流抵抗!!計算アプリ costs $0.99, with no in-app purchases.

### Is ちょこ暗 算数 free?

ちょこ暗 算数 is free to download, with in-app purchases available.

### Do 電圧電流抵抗!!計算アプリ or ちょこ暗 算数 have ads?

Neither 電圧電流抵抗!!計算アプリ nor ちょこ暗 算数 shows ads.

### Which is updated more often, 電圧電流抵抗!!計算アプリ or ちょこ暗 算数?

電圧電流抵抗!!計算アプリ ships an update every 11 months, and ちょこ暗 算数 every 5 weeks. Most recently, 電圧電流抵抗!!計算アプリ was updated on October 19, 2026 and ちょこ暗 算数 on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*