NozzleCalc vs VSWR Convert +
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NozzleCalc
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.
- Sprayer setting calculations
- Droplet size determination
- PSI calculation
- Customizable application rate, speed, and spacing
- Reference section
- Direct contact to support
Read full descriptionHide full description
Now you can quickly calculate sprayer settings for TurboDrop and AirMix nozzles anywhere with the official Greenleaf Technologies Nozzle Calculator app. Determine optimum droplet size and PSI for all your applications on-the-go and spray with confidence. If you use Greenleaf Technologies spray nozzles for your applications this is the app you shouldn't be without! This is the simplest and most accurate nozzle calculator app for Greenleaf nozzles. See the droplet size each nozzle size generates at a variety of precise pressures. Customize by setting your application rate (gal/ac), speed (mph), spacing (inches), and flowrate (gal/min). The reference section provides additional product info and industry terminology. Speak directly to a knowledgeable Greenleaf Technologies representative with a touch with the autodial contact feature.
VSWR Convert +
Read full descriptionHide full description
Utility to convert VSWR to from various formats. Useful for quick VSWR RF calculations
Screenshots
Verdict
The clearest difference is price: NozzleCalc at Free against VSWR Convert +'s $0.29. NozzleCalc also leads on iOS requirement (11.0 vs 17.0). VSWR Convert +'s advantage is update cadence (every 8 days vs every 49 months). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
NozzleCalc is free to download; VSWR Convert + costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.
NozzleCalc ships an update every 49 months, VSWR Convert + every 8 days. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.
| Parameter | NozzleCalc | VSWR Convert + |
|---|---|---|
| Price | Free — better | $0.29 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 49 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Greenleaf Technologies | Jeff Curtis |
In-app purchases
NozzleCalc
No in-app purchases
VSWR Convert +
No in-app purchases
