# 見える電験三種 理論 vs Denken 電験三種 Exam Prep

The clearest difference is device support: 見える電験三種 理論 at 3 against Denken 電験三種 Exam Prep's 1. 見える電験三種 理論 also leads on iOS requirement (13.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 見える電験三種 理論 sells 1 one-off in-app purchase and Denken 電験三種 Exam Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

見える電験三種 理論 ships an update fortnightly, Denken 電験三種 Exam Prep every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 見える電験三種 理論 | Denken 電験三種 Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Size | 34 MB | 143 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TANAKA KAZUYUKI](https://appshunter.io/developer/1570265431) | [StackWorks LLC](https://appshunter.io/developer/1833776593) |

## What reviewers say

### 見える電験三種 理論

[App page](https://appshunter.io/ios/app/id6797855685)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro版 | $5.99 | one-time |


### Denken 電験三種 Exam Prep

[App page](https://appshunter.io/ios/app/denken-exam-prep/id6799666772)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pass Pack | $9.99 | one-time |


## Frequently asked questions

### Is 見える電験三種 理論 free?

見える電験三種 理論 is free to download, with in-app purchases available.

### Is Denken 電験三種 Exam Prep free?

Denken 電験三種 Exam Prep is free to download, with in-app purchases available.

### Do 見える電験三種 理論 or Denken 電験三種 Exam Prep have ads?

Neither 見える電験三種 理論 nor Denken 電験三種 Exam Prep shows ads.

### Which is updated more often, 見える電験三種 理論 or Denken 電験三種 Exam Prep?

見える電験三種 理論 ships an update fortnightly, and Denken 電験三種 Exam Prep every 2 weeks. Most recently, 見える電験三種 理論 was updated on November 3, 2026 and Denken 電験三種 Exam Prep on October 31, 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.*