# 電工二種ドリル − 複線図・計算・図記号 vs 計装士2級対策 500問

The clearest difference is price: 電工二種ドリル − 複線図・計算・図記号 at Free against 計装士2級対策 500問's $3.99. 電工二種ドリル − 複線図・計算・図記号 also leads on update cadence (every 4 days vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

電工二種ドリル − 複線図・計算・図記号 is free to download; 計装士2級対策 500問 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

電工二種ドリル − 複線図・計算・図記号 ships an update every 4 days, 計装士2級対策 500問 monthly. The most recent releases landed on October 28, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 電工二種ドリル − 複線図・計算・図記号 | 計装士2級対策 500問 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | — | Paid |
| Size | 28 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moeki Kozawa](https://appshunter.io/developer/1770452138) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### 電工二種ドリル − 複線図・計算・図記号

[App page](https://appshunter.io/ios/app/id6786751422)

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

**In-app purchases:** none


### 計装士2級対策 500問

[App page](https://appshunter.io/ios/app/2-500/id6790266438)

Prepare for the Level 2 Instrumentation Engineer exam with 500 original multiple-choice questions. Study by chapter, practice randomly, or take mock exams with detailed explanations for efficient learning. Works completely offline with no ads or in-app purchases.

**Highlights:** 500 original multiple-choice questions, Detailed explanations for all questions, Chapter-based learning with progress tracking, Automatic review of incorrect answers, Mock exam mode for practice, Offline operation, No ads or in-app purchases

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

**In-app purchases:** none


## Frequently asked questions

### Is 電工二種ドリル − 複線図・計算・図記号 free?

電工二種ドリル − 複線図・計算・図記号 is free to download, with no in-app purchases.

### Is 計装士2級対策 500問 free?

計装士2級対策 500問 costs $3.99, with no in-app purchases.

### Do 電工二種ドリル − 複線図・計算・図記号 or 計装士2級対策 500問 have ads?

Neither 電工二種ドリル − 複線図・計算・図記号 nor 計装士2級対策 500問 shows ads.

### Which is updated more often, 電工二種ドリル − 複線図・計算・図記号 or 計装士2級対策 500問?

電工二種ドリル − 複線図・計算・図記号 ships an update every 4 days, and 計装士2級対策 500問 monthly. Most recently, 電工二種ドリル − 複線図・計算・図記号 was updated on October 28, 2026 and 計装士2級対策 500問 on October 12, 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.*