# 二級ボイラー技士Pass vs ウカミル

The clearest difference is ads: ウカミル at none against 二級ボイラー技士Pass's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 二級ボイラー技士Pass sells 1 one-off in-app purchase and ウカミル sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 二級ボイラー技士Pass | ウカミル |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Monetization | — | Freemium |
| Size | 45 MB | 22 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KANDK](https://appshunter.io/developer/1867080143) | [Shanghai Xushu Information Technology Co., Ltd.](https://appshunter.io/developer/1733615663) |

## What reviewers say

### 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 |


### ウカミル

[App page](https://appshunter.io/ios/app/id6787310745)

This app offers practice questions and mock exams for over 20 popular national and certification exams, including accounting, IT, and healthcare. It features in-depth explanations, spaced repetition for memorization, and the ability to study multiple exams simultaneously.

**Highlights:** Practice questions for 22+ exams, Full-scale mock exams, In-depth explanation of answers, Spaced repetition flashcards, Simultaneous study for multiple exams, Exam-specific answer UI

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ウカミルPro 月額 | $9.99 | per month |
| ウカミルPro 3か月 | $19.99 | per 3 months |
| ウカミルPro 買い切り（永久） | $39.99 | one-time |


## Frequently asked questions

### 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.

### Is ウカミル free?

ウカミル is free to download, with in-app purchases available.

### Do 二級ボイラー技士Pass or ウカミル have ads?

二級ボイラー技士Pass shows ads; ウカミル does not.

### Which is updated more often, 二級ボイラー技士Pass or ウカミル?

二級ボイラー技士Pass ships an update weekly, and ウカミル weekly. Most recently, 二級ボイラー技士Pass was updated on October 25, 2026 and ウカミル on October 31, 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.*