# 龙嘉SCM供应商 vs Pressure Vessel Thickness

The clearest difference is price: 龙嘉SCM供应商 at Free against Pressure Vessel Thickness's $2.99. 龙嘉SCM供应商 also leads on update cadence (every 4 months vs every 56 months) and iOS requirement (12.0 vs 16.1). On ads, in-app purchases and device support there is nothing between them.

龙嘉SCM供应商 is free to download; Pressure Vessel Thickness costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

龙嘉SCM供应商 ships an update every 4 months, Pressure Vessel Thickness every 56 months. The most recent releases landed on September 17, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | 龙嘉SCM供应商 | Pressure Vessel Thickness |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 56 months |
| Monetization | — | Paid |
| Size | 35 MB | 1 MB |
| Requires iOS | **12.0** | 16.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [文朗 梁](https://appshunter.io/developer/1293631579) | [Imran Pinjara](https://appshunter.io/developer/1484488781) |

## What reviewers say

### 龙嘉SCM供应商

[App page](https://appshunter.io/ios/app/scm/id1459545200)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pressure Vessel Thickness

[App page](https://appshunter.io/ios/app/pressure-vessel-thickness/id1492098075)

Calculate the required design and nominal thickness for various pressure vessel components according to ASME Section VIII Div 1 codes. This tool assists designers in determining the necessary thickness for shell, hemispherical, torispherical, ellipsoidal, and conical heads under internal pressure.

**Highlights:** Calculate design thickness, Calculate nominal thickness, Shell thickness calculation, Head thickness calculation (Hemi, Tori, Ellipsoidal), Cone thickness calculation, ASME Section VIII Div 1 compliance

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

**In-app purchases:** none


## Frequently asked questions

### Is 龙嘉SCM供应商 free?

龙嘉SCM供应商 is free to download, with no in-app purchases.

### Is Pressure Vessel Thickness free?

Pressure Vessel Thickness costs $2.99, with no in-app purchases.

### Do 龙嘉SCM供应商 or Pressure Vessel Thickness have ads?

Neither 龙嘉SCM供应商 nor Pressure Vessel Thickness shows ads.

### Which is updated more often, 龙嘉SCM供应商 or Pressure Vessel Thickness?

龙嘉SCM供应商 ships an update every 4 months, and Pressure Vessel Thickness every 56 months. Most recently, 龙嘉SCM供应商 was updated on September 17, 2026 and Pressure Vessel Thickness on August 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.*