# モバイルナレッジ（Mobile Knowledge） vs eco検定® 秒トレ：忘却曲線で覚えるエコ検定®

The clearest difference is review sentiment: eco検定® 秒トレ：忘却曲線で覚えるエコ検定® at 78% against モバイルナレッジ（Mobile Knowledge）'s 15%. eco検定® 秒トレ：忘却曲線で覚えるエコ検定® also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). モバイルナレッジ（Mobile Knowledge）'s advantage is in-app purchases (none vs 1). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. eco検定® 秒トレ：忘却曲線で覚えるエコ検定® sells 1 one-off in-app purchase. モバイルナレッジ（Mobile Knowledge） asks for nothing beyond the download.

モバイルナレッジ（Mobile Knowledge） ships an update every 3 months, eco検定® 秒トレ：忘却曲線で覚えるエコ検定® every 4 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | モバイルナレッジ（Mobile Knowledge） | eco検定® 秒トレ：忘却曲線で覚えるエコ検定® |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 15.0% of reviews | **77.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 14 MB | 49 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Learning Agency Co.,Ltd.](https://appshunter.io/developer/771563910) | [GINOAPPS LLC.](https://appshunter.io/developer/1482621114) |

## What reviewers say

### モバイルナレッジ（Mobile Knowledge）

[App page](https://appshunter.io/ios/app/mobile-knowledge/id975792690)

This app helps working professionals acquire essential knowledge during spare moments. It fosters self-directed learning through social features like progress rankings and a news feed for sharing insights. Leverage the expertise of a leading talent development agency for convenient smartphone learning.

**Highlights:** Utilize spare time for learning, Acquire knowledge for professionals, Social learning features, Progress tracking and rankings, Share learning insights, Expertise from talent development agency

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

**In-app purchases:** none


### eco検定® 秒トレ：忘却曲線で覚えるエコ検定®

[App page](https://appshunter.io/ios/app/eco/id6741779906)

This app helps users prepare for the eco検定® (Environmental Social Certification Exam®) by focusing on key points and utilizing a spaced repetition system based on the forgetting curve. It offers efficient learning through fill-in-the-blank questions and timely reviews to ensure knowledge retention for exam success.

**Highlights:** Key point learning based on past exams, Fill-in-the-blank question format, Spaced repetition based on forgetting curve, Efficient learning in short bursts, Focus on exam trends and frequent points

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全問題アンロック | $2.99 | one-time |


## Frequently asked questions

### Is モバイルナレッジ（Mobile Knowledge） free?

モバイルナレッジ（Mobile Knowledge） is free to download, with no in-app purchases.

### Is eco検定® 秒トレ：忘却曲線で覚えるエコ検定® free?

eco検定® 秒トレ：忘却曲線で覚えるエコ検定® is free to download, with in-app purchases available.

### Do モバイルナレッジ（Mobile Knowledge） or eco検定® 秒トレ：忘却曲線で覚えるエコ検定® have ads?

Neither モバイルナレッジ（Mobile Knowledge） nor eco検定® 秒トレ：忘却曲線で覚えるエコ検定® shows ads.

### Which is updated more often, モバイルナレッジ（Mobile Knowledge） or eco検定® 秒トレ：忘却曲線で覚えるエコ検定®?

モバイルナレッジ（Mobile Knowledge） ships an update every 3 months, and eco検定® 秒トレ：忘却曲線で覚えるエコ検定® every 4 months. Most recently, モバイルナレッジ（Mobile Knowledge） was updated on October 1, 2026 and eco検定® 秒トレ：忘却曲線で覚えるエコ検定® on October 7, 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.*