# 技術士 一次試験（化学部門） vs 透かし清書 2026

The clearest difference is in-app purchases: 透かし清書 2026 at none against 技術士 一次試験（化学部門）'s 1. 透かし清書 2026 also leads on update cadence (every 2 months vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 技術士 一次試験（化学部門） sells 1 one-off in-app purchase. 透かし清書 2026 asks for nothing beyond the download.

技術士 一次試験（化学部門） ships an update every 5 months, 透かし清書 2026 every 2 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 技術士 一次試験（化学部門） | 透かし清書 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 5 MB | 25 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [Baigen INC](https://appshunter.io/developer/1676579619) |

## What reviewers say

### 技術士 一次試験（化学部門）

[App page](https://appshunter.io/ios/app/id6757369958)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 技術士（化学部門） 試験対策 | $4.99 | one-time |


### 透かし清書 2026

[App page](https://appshunter.io/ios/app/2026/id6789890636)

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

**In-app purchases:** none


## Frequently asked questions

### Is 技術士 一次試験（化学部門） free?

技術士 一次試験（化学部門） is free to download, with in-app purchases available.

### Is 透かし清書 2026 free?

透かし清書 2026 is free to download, with no in-app purchases.

### Do 技術士 一次試験（化学部門） or 透かし清書 2026 have ads?

Neither 技術士 一次試験（化学部門） nor 透かし清書 2026 shows ads.

### Which is updated more often, 技術士 一次試験（化学部門） or 透かし清書 2026?

技術士 一次試験（化学部門） ships an update every 5 months, and 透かし清書 2026 every 2 months. Most recently, 技術士 一次試験（化学部門） was updated on October 28, 2026 and 透かし清書 2026 on October 25, 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.*