# 工場電卓 vs 自作PCナビ

The clearest difference is in-app purchases: 自作PCナビ at none against 工場電卓's 2. 自作PCナビ also leads on update cadence (every 2 days vs every 13 months). 工場電卓's advantage is iOS requirement (6.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. 工場電卓 sells 2 one-off in-app purchases. 自作PCナビ asks for nothing beyond the download.

工場電卓 ships an update every 13 months, 自作PCナビ every 2 days. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 工場電卓 | 自作PCナビ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 days** |
| Size | 2 MB | 14 MB |
| Requires iOS | **6.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tashiro Iron Works Co.,Ltd.](https://appshunter.io/developer/543101242) | [hijiri oosawa](https://appshunter.io/developer/1896760131) |

## What reviewers say

### 工場電卓

[App page](https://appshunter.io/ios/app/id780325225)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 工場電卓 広告非表示 | $0.99 | one-time |
| 座標・角度計算機能パック | $0.99 | one-time |


### 自作PCナビ

[App page](https://appshunter.io/ios/app/pc/id6771432561)

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

**In-app purchases:** none


## Frequently asked questions

### Is 工場電卓 free?

工場電卓 is free to download, with in-app purchases available.

### Is 自作PCナビ free?

自作PCナビ is free to download, with no in-app purchases.

### Do 工場電卓 or 自作PCナビ have ads?

Neither 工場電卓 nor 自作PCナビ shows ads.

### Which is updated more often, 工場電卓 or 自作PCナビ?

工場電卓 ships an update every 13 months, and 自作PCナビ every 2 days. Most recently, 工場電卓 was updated on October 10, 2026 and 自作PCナビ on October 18, 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.*