# 技術士 一次試験（機械部門） vs Irolore

The clearest difference is ads: 技術士 一次試験（機械部門） at none against Irolore's shown. Irolore's advantage is update cadence (every 10 days vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 技術士 一次試験（機械部門） sells 1 one-off in-app purchase and Irolore sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

技術士 一次試験（機械部門） ships an update every 5 months, Irolore every 10 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 技術士 一次試験（機械部門） | Irolore |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 10 days** |
| Size | 6 MB | 102 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [Kazuki Kitsukawa](https://appshunter.io/developer/1696509052) |

## What reviewers say

### 技術士 一次試験（機械部門）

[App page](https://appshunter.io/ios/app/id6757349128)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 技術士（機械部門） 試験対策 | $1.99 | one-time |


### Irolore

[App page](https://appshunter.io/ios/app/irolore/id6790480064)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム(月額) | $2.99 | per month |
| プレミアム(年額) | $19.99 | per year |
| Irolore Premium Lifetime | $7.99 | one-time |


## Frequently asked questions

### Is 技術士 一次試験（機械部門） free?

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

### Is Irolore free?

Irolore is free to download, with in-app purchases available.

### Do 技術士 一次試験（機械部門） or Irolore have ads?

Irolore shows ads; 技術士 一次試験（機械部門） does not.

### Which is updated more often, 技術士 一次試験（機械部門） or Irolore?

技術士 一次試験（機械部門） ships an update every 5 months, and Irolore every 10 days. Most recently, 技術士 一次試験（機械部門） was updated on November 5, 2026 and Irolore 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.*