# SkiP資格アプリ vs eco検定® 秒トレ：忘却曲線で覚えるエコ検定®

The clearest difference is in-app purchases: SkiP資格アプリ at none against eco検定® 秒トレ：忘却曲線で覚えるエコ検定®'s 1. eco検定® 秒トレ：忘却曲線で覚えるエコ検定®'s advantage is update cadence (every 4 months vs every 7 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support 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. SkiP資格アプリ asks for nothing beyond the download.

SkiP資格アプリ ships an update every 7 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 September 20, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | SkiP資格アプリ | eco検定® 秒トレ：忘却曲線で覚えるエコ検定® |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 383 MB | 49 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Link Academy Inc.](https://appshunter.io/developer/1505286109) | [GINOAPPS LLC.](https://appshunter.io/developer/1482621114) |

## What reviewers say

### SkiP資格アプリ

[App page](https://appshunter.io/ios/app/skip/id1627680663)

**Features:** macOS Compatibility

**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 SkiP資格アプリ free?

SkiP資格アプリ 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 SkiP資格アプリ or eco検定® 秒トレ：忘却曲線で覚えるエコ検定® have ads?

Neither SkiP資格アプリ 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, SkiP資格アプリ or eco検定® 秒トレ：忘却曲線で覚えるエコ検定®?

SkiP資格アプリ ships an update every 7 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, SkiP資格アプリ was updated on September 20, 2026 and eco検定® 秒トレ：忘却曲線で覚えるエコ検定® on September 21, 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.*