# ガンマ・高圧・潜水　資格　plus vs 【LITE版】２級ボイラー技士試験 「30日合格プログラム」

The clearest difference is price: 【LITE版】２級ボイラー技士試験 「30日合格プログラム」 at Free against ガンマ・高圧・潜水　資格　plus's $4.99. 【LITE版】２級ボイラー技士試験 「30日合格プログラム」 also leads on update cadence (every 19 months vs every 57 months) and iOS requirement (11.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

【LITE版】２級ボイラー技士試験 「30日合格プログラム」 is free to download; ガンマ・高圧・潜水　資格　plus costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ガンマ・高圧・潜水　資格　plus ships an update every 57 months, 【LITE版】２級ボイラー技士試験 「30日合格プログラム」 every 19 months. The most recent releases landed on August 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ガンマ・高圧・潜水　資格　plus | 【LITE版】２級ボイラー技士試験 「30日合格プログラム」 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 57 months | **Every 19 months** |
| Monetization | Paid | — |
| Size | 139 MB | 24 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [kumiko harada](https://appshunter.io/developer/1501953551) | [ReCorrect Inc.](https://appshunter.io/developer/1141646408) |

## What reviewers say

### ガンマ・高圧・潜水　資格　plus

[App page](https://appshunter.io/ios/app/plus/id1501954182)

This app provides past exam questions for Gamma Ray Radiography Supervisor, Diver, and High-Pressure Gas Chamber Operator certifications. It focuses on review and allows free updates to the latest questions after a one-time purchase. Customize your study experience with adjustable text and easy web linking.

**Highlights:** Past exam questions for multiple certifications, Free updates for latest questions, Includes diagrams and figures, Customizable text size and color, Web linking for detailed explanations, One-question-at-a-time format for mobile

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

**In-app purchases:** none


### 【LITE版】２級ボイラー技士試験 「30日合格プログラム」

[App page](https://appshunter.io/ios/app/lite-30/id1619106499)

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

**In-app purchases:** none


## Frequently asked questions

### Is ガンマ・高圧・潜水　資格　plus free?

ガンマ・高圧・潜水　資格　plus costs $4.99, with no in-app purchases.

### Is 【LITE版】２級ボイラー技士試験 「30日合格プログラム」 free?

【LITE版】２級ボイラー技士試験 「30日合格プログラム」 is free to download, with no in-app purchases.

### Do ガンマ・高圧・潜水　資格　plus or 【LITE版】２級ボイラー技士試験 「30日合格プログラム」 have ads?

Neither ガンマ・高圧・潜水　資格　plus nor 【LITE版】２級ボイラー技士試験 「30日合格プログラム」 shows ads.

### Which is updated more often, ガンマ・高圧・潜水　資格　plus or 【LITE版】２級ボイラー技士試験 「30日合格プログラム」?

ガンマ・高圧・潜水　資格　plus ships an update every 57 months, and 【LITE版】２級ボイラー技士試験 「30日合格プログラム」 every 19 months. Most recently, ガンマ・高圧・潜水　資格　plus was updated on August 18, 2026 and 【LITE版】２級ボイラー技士試験 「30日合格プログラム」 on October 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.*