# Nozzle Orientation Marker vs Layout Calc Pro

The clearest difference is price: Layout Calc Pro at Free against Nozzle Orientation Marker's $1.99. Layout Calc Pro also leads on update cadence (every 6 days vs every 55 months) and iOS requirement (13.0 vs 16.1). Nozzle Orientation Marker's advantage is in-app purchases (none vs 7). On ads and device support there is nothing between them.

Layout Calc Pro is free to download; Nozzle Orientation Marker costs $1.99 up front. Layout Calc Pro sells 7 one-off in-app purchases. Nozzle Orientation Marker asks for nothing beyond the download.

Nozzle Orientation Marker ships an update every 55 months, Layout Calc Pro every 6 days. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Nozzle Orientation Marker | Layout Calc Pro |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 6 days** |
| Size | 1 MB | 49 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [思源 李](https://appshunter.io/developer/1704804704) |

## What reviewers say

### Nozzle Orientation Marker

[App page](https://appshunter.io/ios/app/nozzle-orientation-marker/id1490691913)

**Features:** macOS Compatibility

**In-app purchases:** none


### Layout Calc Pro

[App page](https://appshunter.io/ios/app/layout-calc-pro/id6476074424)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Three Day VIP | $5.00 | one-time |
| 1-Year VIP Membership | $19.99 | one-time |
| 2-Year VIP Membership | $34.99 | one-time |
| 3-Year VIP Membership | $44.99 | one-time |
| 1-Year VIP Membership | $55.00 | one-time |
| 2-Year VIP Membership | $104.99 | one-time |
| 3-Year VIP Membership | $154.99 | one-time |


## Frequently asked questions

### Is Nozzle Orientation Marker free?

Nozzle Orientation Marker costs $1.99, with no in-app purchases.

### Is Layout Calc Pro free?

Layout Calc Pro is free to download, with in-app purchases available.

### Do Nozzle Orientation Marker or Layout Calc Pro have ads?

Neither Nozzle Orientation Marker nor Layout Calc Pro shows ads.

### Which is updated more often, Nozzle Orientation Marker or Layout Calc Pro?

Nozzle Orientation Marker ships an update every 55 months, and Layout Calc Pro every 6 days. Most recently, Nozzle Orientation Marker was updated on September 15, 2026 and Layout Calc Pro on September 17, 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.*