# NozzleCalc vs Rainmark Irrigation Industries

The clearest difference is update cadence: Rainmark Irrigation Industries at every 11 days against NozzleCalc's every 49 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NozzleCalc ships an update every 49 months, Rainmark Irrigation Industries every 11 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | NozzleCalc | Rainmark Irrigation Industries |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nozzlecalc/id794048259/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 13 MB | 54 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greenleaf Technologies](https://appshunter.io/developer/794048262) | [Hemal Somaiya](https://appshunter.io/developer/1757798117) |

## What reviewers say

### NozzleCalc

[App page](https://appshunter.io/ios/app/nozzlecalc/id794048259)

Quickly calculate sprayer settings for specific nozzles on the go. Determine optimum droplet size and PSI for your applications. Includes a reference section and direct contact to support.

**Highlights:** Sprayer setting calculations, Droplet size determination, PSI calculation, Customizable application rate, speed, and spacing, Reference section, Direct contact to support

**Features:** macOS Compatibility

**In-app purchases:** none


### Rainmark Irrigation Industries

[App page](https://appshunter.io/ios/app/rainmark-irrigation-industries/id6738277754)

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

**In-app purchases:** none


## Frequently asked questions

### Is NozzleCalc free?

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

### Is Rainmark Irrigation Industries free?

Rainmark Irrigation Industries is free to download, with no in-app purchases.

### Do NozzleCalc or Rainmark Irrigation Industries have ads?

Neither NozzleCalc nor Rainmark Irrigation Industries shows ads.

### Which is updated more often, NozzleCalc or Rainmark Irrigation Industries?

NozzleCalc ships an update every 49 months, and Rainmark Irrigation Industries every 11 days. Most recently, NozzleCalc was updated on November 1, 2026 and Rainmark Irrigation Industries on October 30, 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.*