# PDM Manager2 vs Haikan Pipit

The clearest difference is in-app purchases: PDM Manager2 at none against Haikan Pipit's 2. PDM Manager2 also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.6). On price, update cadence 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. PDM Manager2 asks for nothing beyond the download.

PDM Manager2 ships an update every 2 weeks, Haikan Pipit every 3 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDM Manager2 | Haikan Pipit |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 226 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [昭和精機 株式会社](https://appshunter.io/developer/1433845618) | [NETSTILL LIMITED LIABILITY CO.](https://appshunter.io/developer/1718197858) |

## What reviewers say

### PDM Manager2

[App page](https://appshunter.io/ios/app/pdm-manager2/id1434649464)

**Features:** macOS Compatibility

**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 PDM Manager2 free?

PDM Manager2 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 PDM Manager2 or Haikan Pipit have ads?

Haikan Pipit shows ads; PDM Manager2 does not.

### Which is updated more often, PDM Manager2 or Haikan Pipit?

PDM Manager2 ships an update every 2 weeks, and Haikan Pipit every 3 weeks. Most recently, PDM Manager2 was updated on October 15, 2026 and Haikan Pipit on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*