# eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜 vs 2022年2級機械保全技能士学科過去問

The clearest difference is monetization model: 2022年2級機械保全技能士学科過去問 at free against eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜's paid. eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜's advantage is iOS requirement (12.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜 | 2022年2級機械保全技能士学科過去問 |
| --- | --- | --- |
| Price | **$2.99** | — |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/20222/id6449904769/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | Every 8 months |
| Monetization | Paid | **Free** |
| Size | 25 MB | 8 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社キイロ乃カモ](https://appshunter.io/developer/1796537168) | [shinji ikeda](https://appshunter.io/developer/1615407188) |

## What reviewers say

### eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜

[App page](https://appshunter.io/ios/app/eco/id6449150376)

This app helps you study for the eco-Kentei (Environmental and Social Certification Test) by providing essential vocabulary. It features a quiz mode to test your understanding and allows for keyword searches. Study efficiently offline without any advertisements.

**Highlights:** Essential eco-Kentei vocabulary, Quiz mode with masked vocabulary, Keyword search functionality, Offline usability, Ad-free learning experience

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

**In-app purchases:** none


### 2022年2級機械保全技能士学科過去問

[App page](https://appshunter.io/ios/app/20222/id6449904769)

This app provides practice questions for the 2022 Level 2 Mechanical Maintenance Skills exam. It features random question generation, detailed explanations, and customizable study modes to help users learn efficiently during free time.

**Highlights:** Randomized question generation, Detailed answer explanations, 50-question exam simulation, Study specific flagged questions, Review only incorrect answers, Exam date countdown

**In-app purchases:** none


## Frequently asked questions

### Is eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜 free?

eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜 costs $2.99, with no in-app purchases.

### Is 2022年2級機械保全技能士学科過去問 free?

Pricing for 2022年2級機械保全技能士学科過去問 is not currently listed on the App Store.

### Do eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜 or 2022年2級機械保全技能士学科過去問 have ads?

Neither eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜 nor 2022年2級機械保全技能士学科過去問 shows ads.

### Which is updated more often, eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜 or 2022年2級機械保全技能士学科過去問?

eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜 ships an update every 8 months, and 2022年2級機械保全技能士学科過去問 every 8 months. Most recently, eco検定 重要語句アプリ 〜エコ検定/環境社会検定試験〜 was updated on October 8, 2026 and 2022年2級機械保全技能士学科過去問 on October 4, 2026.

---

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