# 冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種 vs 第三種冷凍機械責任者 過去問対策 2026

The clearest difference is iOS requirement: 第三種冷凍機械責任者 過去問対策 2026 at 13.0 against 冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種 sells 1 one-off in-app purchase and 第三種冷凍機械責任者 過去問対策 2026 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種 | 第三種冷凍機械責任者 過去問対策 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GINOAPPS LLC.](https://appshunter.io/developer/1482621114) | [YUKI SHIIYAMA](https://appshunter.io/developer/1867294802) |

## What reviewers say

### 冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種

[App page](https://appshunter.io/ios/app/3/id6762459428)

**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 |


### 第三種冷凍機械責任者 過去問対策 2026

[App page](https://appshunter.io/ios/app/2026/id6794944515)

This app helps users prepare for the Third Class Refrigeration Engineer exam with a comprehensive collection of past questions. It covers 17 years of exams, totaling 595 questions, and offers a simple tap-to-answer format for efficient learning.

**Highlights:** 17 years of past questions, 595 total questions, Covers laws and safety management technology, Simple tap-to-answer interface, iPhone and iPad compatible

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO機能をすべて解放 | $5.99 | one-time |


## Frequently asked questions

### Is 冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種 free?

冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種 is free to download, with in-app purchases available.

### Is 第三種冷凍機械責任者 過去問対策 2026 free?

第三種冷凍機械責任者 過去問対策 2026 is free to download, with in-app purchases available.

### Do 冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種 or 第三種冷凍機械責任者 過去問対策 2026 have ads?

Neither 冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種 nor 第三種冷凍機械責任者 過去問対策 2026 shows ads.

### Which is updated more often, 冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種 or 第三種冷凍機械責任者 過去問対策 2026?

冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種 ships an update monthly, and 第三種冷凍機械責任者 過去問対策 2026 monthly. Most recently, 冷凍機械責任者 3種 秒トレ：忘却曲線で覚える冷凍三種 was updated on November 2, 2026 and 第三種冷凍機械責任者 過去問対策 2026 on November 6, 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.*