# 測量士補の森 vs 二級ボイラー技士Pass

The clearest difference is ads: 測量士補の森 at none against 二級ボイラー技士Pass's shown. 測量士補の森 also leads on iOS requirement (13.0 vs 15.1). 二級ボイラー技士Pass's advantage is update cadence (weekly vs every 6 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 測量士補の森 sells 1 one-off in-app purchase and 二級ボイラー技士Pass sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

測量士補の森 ships an update every 6 weeks, 二級ボイラー技士Pass weekly. Both last shipped on November 5, 2026.

## The numbers

| Metric | 測量士補の森 | 二級ボイラー技士Pass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 108 MB | 45 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [合同会社OLA](https://appshunter.io/developer/1832165711) | [KANDK](https://appshunter.io/developer/1867080143) |

## What reviewers say

### 測量士補の森

[App page](https://appshunter.io/ios/app/id6761599277)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全ての年度をアンロック | $2.99 | one-time |


### 二級ボイラー技士Pass

[App page](https://appshunter.io/ios/app/pass/id6767974457)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $1.99 | one-time |


## Frequently asked questions

### Is 測量士補の森 free?

測量士補の森 is free to download, with in-app purchases available.

### Is 二級ボイラー技士Pass free?

二級ボイラー技士Pass is free to download, with in-app purchases available.

### Do 測量士補の森 or 二級ボイラー技士Pass have ads?

二級ボイラー技士Pass shows ads; 測量士補の森 does not.

### Which is updated more often, 測量士補の森 or 二級ボイラー技士Pass?

測量士補の森 ships an update every 6 weeks, and 二級ボイラー技士Pass weekly. Most recently, 測量士補の森 was updated on November 5, 2026 and 二級ボイラー技士Pass on November 5, 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.*