# Spray Nozzle calculator vs MasterBuilder Pro

The clearest difference is in-app purchases: Spray Nozzle calculator at none against MasterBuilder Pro's 3. Spray Nozzle calculator also leads on iOS requirement (8.4 vs 15.1). MasterBuilder Pro's advantage is update cadence (every 2 months vs every 31 months). On price, ads and device support there is nothing between them.

Both are free to download. MasterBuilder Pro sells 3 in-app purchases, starting at $9.00 per month. Spray Nozzle calculator asks for nothing beyond the download.

Spray Nozzle calculator ships an update every 31 months, MasterBuilder Pro every 2 months. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Spray Nozzle calculator | MasterBuilder Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spray-nozzle-calculator/id374184560/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 0 MB | 34 MB |
| Requires iOS | **8.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CCIC Pty Ltd](https://appshunter.io/developer/374184563) | [Harrison Habib](https://appshunter.io/developer/1883474674) |

## What reviewers say

### Spray Nozzle calculator

[App page](https://appshunter.io/ios/app/spray-nozzle-calculator/id374184560)

Calculates the correct spray nozzle size and operating pressure for hay balers to accurately apply liquid preservatives. Input operating conditions, dose rate, moisture, and tons per hour to determine the optimal nozzle color and pressure.

**Highlights:** Nozzle size and pressure calculation, Preservative application for hay balers, Input operating conditions, Dose rate calculation, Moisture and TPH input, Nozzle color determination

**Features:** macOS Compatibility

**In-app purchases:** none


### MasterBuilder Pro

[App page](https://appshunter.io/ios/app/masterbuilder-pro/id6760252415)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MasterBuilder Pro Monthly | $9.00 | per month |
| Annual | $89.99 | per year |
| Lifetime | $199.99 | one-time |


## Frequently asked questions

### Is Spray Nozzle calculator free?

Spray Nozzle calculator is free to download, with no in-app purchases.

### Is MasterBuilder Pro free?

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

### Do Spray Nozzle calculator or MasterBuilder Pro have ads?

Neither Spray Nozzle calculator nor MasterBuilder Pro shows ads.

### Which is updated more often, Spray Nozzle calculator or MasterBuilder Pro?

Spray Nozzle calculator ships an update every 31 months, and MasterBuilder Pro every 2 months. Most recently, Spray Nozzle calculator was updated on September 17, 2026 and MasterBuilder Pro on September 12, 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.*