# NozzleCalc vs RightSpot Coil Validation

The clearest difference is update cadence: RightSpot Coil Validation at every 6 weeks against NozzleCalc's every 49 months. NozzleCalc's advantage is iOS requirement (11.0 vs 16.0). 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, RightSpot Coil Validation every 6 weeks. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | NozzleCalc | RightSpot Coil Validation |
| --- | --- | --- |
| 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 6 weeks** |
| Monetization | Free | — |
| Size | 13 MB | 1 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Greenleaf Technologies](https://appshunter.io/developer/794048262) | [Capstan Ag Systems, Inc.](https://appshunter.io/developer/1555101143) |

## 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


### RightSpot Coil Validation

[App page](https://appshunter.io/ios/app/rightspot-coil-validation/id6504160630)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NozzleCalc free?

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

### Is RightSpot Coil Validation free?

RightSpot Coil Validation is free to download, with no in-app purchases.

### Do NozzleCalc or RightSpot Coil Validation have ads?

Neither NozzleCalc nor RightSpot Coil Validation shows ads.

### Which is updated more often, NozzleCalc or RightSpot Coil Validation?

NozzleCalc ships an update every 49 months, and RightSpot Coil Validation every 6 weeks. Most recently, NozzleCalc was updated on October 10, 2026 and RightSpot Coil Validation on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*