# BOX加工 vs Haikan Pipit

The clearest difference is review sentiment: BOX加工 at 75% against Haikan Pipit's 0%. BOX加工 also leads on in-app purchases (none vs 2). Haikan Pipit's advantage is update cadence (every 3 weeks vs every 5 months) and iOS requirement (15.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Haikan Pipit sells 2 in-app purchases, starting at $3.99 per month. BOX加工 asks for nothing beyond the download.

BOX加工 ships an update every 5 months, Haikan Pipit every 3 weeks. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BOX加工 | Haikan Pipit |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 4 MB | 226 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Takahiro Ikejima](https://appshunter.io/developer/1528934187) | [NETSTILL LIMITED LIABILITY CO.](https://appshunter.io/developer/1718197858) |

## What reviewers say

### BOX加工

[App page](https://appshunter.io/ios/app/box/id1528934185)

This app calculates optimal hole sizes for boxes, preventing them from shifting to one side. It provides standard opening sizes for various gauges and allows for custom settings. Designed for precision in box construction.

**Highlights:** Calculates hole sizes to prevent box shifting, Standard opening sizes for G16, G22, G28, G36, Customizable opening size settings, Precision tool for box construction

**In-app purchases:** none


### Haikan Pipit

[App page](https://appshunter.io/ios/app/haikan-pipit/id6473008995)

Calculate precise cut lengths for various pipe fittings and view their dimensions in a 3D catalog. Supports multiple fitting types with plans for future additions like sharing and quantity estimation.

**Highlights:** Cut length calculation for fitting combinations, 3D pipe catalog with dimension drawings, Support for DV, TS/HI, HT, White-thread, Water Supply Core, Butt-weld, and Stainless Press-Type fittings, Future updates planned for sharing and quantity estimation, View pipe and fitting shapes and dimensions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プロ版（1ヶ月） | $3.99 | per month |
| プロ版（1年間） | $39.99 | per year |


## Frequently asked questions

### Is BOX加工 free?

BOX加工 is free to download, with no in-app purchases.

### Is Haikan Pipit free?

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

### Do BOX加工 or Haikan Pipit have ads?

Both BOX加工 and Haikan Pipit show ads.

### Which is updated more often, BOX加工 or Haikan Pipit?

BOX加工 ships an update every 5 months, and Haikan Pipit every 3 weeks. Most recently, BOX加工 was updated on October 3, 2026 and Haikan Pipit on October 24, 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.*