# NORO vs Pipefitter Calculator (e4bc01)

The clearest difference is in-app purchases: NORO at none against Pipefitter Calculator (e4bc01)'s 2. NORO also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.1). Pipefitter Calculator (e4bc01)'s advantage is update cadence (every 4 weeks vs every 66 months). On price and device support there is nothing between them.

Both are free to download. Pipefitter Calculator (e4bc01) sells 2 in-app purchases, starting at $4.99 per month. NORO asks for nothing beyond the download.

NORO ships an update every 66 months, Pipefitter Calculator (e4bc01) every 4 weeks. The most recent releases landed on August 12, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | NORO | Pipefitter Calculator (e4bc01) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 66 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 52 MB | 50 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NORO GmbH](https://appshunter.io/developer/901278858) | [Justin Walls](https://appshunter.io/developer/6782460947) |

## What reviewers say

### NORO

[App page](https://appshunter.io/ios/app/noro/id901278855)

Access 3D CAD data for a standard product range of pipes, mouldings, and distribution systems. Engineers and project managers can view models for steel and chromium-nickel steel components directly on mobile devices.

**Highlights:** 3D CAD data access, Standard product range, Pipes, mouldings, distribution systems, Steel and chromium-nickel steel, Compatible with major CAD systems, Mobile device access

**Features:** macOS Compatibility

**In-app purchases:** none


### Pipefitter Calculator (e4bc01)

[App page](https://appshunter.io/ios/app/pipefitter-calculator-e4bc01/id6782460945)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipefitter Pro | $4.99 | per month |
| Remove Ads Forever | $9.99 | one-time |


## Frequently asked questions

### Is NORO free?

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

### Is Pipefitter Calculator (e4bc01) free?

Pipefitter Calculator (e4bc01) is free to download, with in-app purchases available.

### Do NORO or Pipefitter Calculator (e4bc01) have ads?

Pipefitter Calculator (e4bc01) shows ads; NORO does not.

### Which is updated more often, NORO or Pipefitter Calculator (e4bc01)?

NORO ships an update every 66 months, and Pipefitter Calculator (e4bc01) every 4 weeks. Most recently, NORO was updated on August 12, 2026 and Pipefitter Calculator (e4bc01) on September 19, 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.*