# 自動車資格 統合版 vs Unit Converter Simple

The clearest difference is price: Unit Converter Simple at Free against 自動車資格 統合版's $0.99. Unit Converter Simple also leads on update cadence (every 10 months vs every 57 months) and iOS requirement (13.0 vs 15.0). 自動車資格 統合版's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Unit Converter Simple is free to download; 自動車資格 統合版 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

自動車資格 統合版 ships an update every 57 months, Unit Converter Simple every 10 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 自動車資格 統合版 | Unit Converter Simple |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/unit-converter-simple/id1531846614/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 57 months | **Every 10 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 76 MB | 18 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [harada keiko](https://appshunter.io/developer/1457179049) | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) |

## What reviewers say

### 自動車資格 統合版

[App page](https://appshunter.io/ios/app/id1482470835)

This app provides a vast collection of past exam questions for various automotive certifications. It focuses on repetitive practice of questions, encouraging users to consult separate study materials for detailed explanations. All included exams and years are unlocked with a single purchase.

**Highlights:** Extensive past exam questions, Covers multiple automotive certifications, No in-app explanations, Single purchase for all content, Adjustable text and button sizes, Includes image-based questions

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

**In-app purchases:** none


### Unit Converter Simple

[App page](https://appshunter.io/ios/app/unit-converter-simple/id1531846614)

Easily convert between various units of measurement for length, weight, volume, and more. View converted values in a convenient list and customize the display to show only the units you need. Supports a wide range of common and specialized units.

**Highlights:** Converts length, weight, area, volume, and more, Displays converted values in a list, Customizable unit visibility, Supports a wide variety of units, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 自動車資格 統合版 free?

自動車資格 統合版 costs $0.99, with no in-app purchases.

### Is Unit Converter Simple free?

Unit Converter Simple is free to download, with no in-app purchases.

### Do 自動車資格 統合版 or Unit Converter Simple have ads?

Unit Converter Simple shows ads; 自動車資格 統合版 does not.

### Which is updated more often, 自動車資格 統合版 or Unit Converter Simple?

自動車資格 統合版 ships an update every 57 months, and Unit Converter Simple every 10 months. Most recently, 自動車資格 統合版 was updated on November 3, 2026 and Unit Converter Simple on November 3, 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.*