# NozzleCalc vs Shivvers Auto

The clearest difference is update cadence: Shivvers Auto at monthly against NozzleCalc's every 49 months. NozzleCalc's advantage is iOS requirement (11.0 vs 15.1). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for NozzleCalc against 5.0 for Shivvers Auto. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

NozzleCalc ships an update every 49 months, Shivvers Auto monthly. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | NozzleCalc | Shivvers Auto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/nozzlecalc/id794048259/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/shivvers-auto-bin/id6462700582/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Monthly** |
| Monetization | Free | Free |
| Size | 13 MB | 33 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greenleaf Technologies](https://appshunter.io/developer/794048262) | [Shivvers Technology & Innovation Group, LLC](https://appshunter.io/developer/1762461937) |

## 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


### Shivvers Auto

[App page](https://appshunter.io/ios/app/shivvers-auto-bin/id6462700582)

Remotely manage and monitor your grain bin's drying process and moisture levels from anywhere. Requires an installed Shivvers system for full functionality.

**Highlights:** Remote grain bin drying control, Moisture content monitoring, Global accessibility, Requires installed Shivvers system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NozzleCalc free?

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

### Is Shivvers Auto free?

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

### Which has better reviews, NozzleCalc or Shivvers Auto?

NozzleCalc and Shivvers Auto are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do NozzleCalc or Shivvers Auto have ads?

Neither NozzleCalc nor Shivvers Auto shows ads.

### Which is updated more often, NozzleCalc or Shivvers Auto?

NozzleCalc ships an update every 49 months, and Shivvers Auto monthly. Most recently, NozzleCalc was updated on October 10, 2026 and Shivvers Auto on October 7, 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.*