NozzleCalc vs Emlid Flow
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
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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.
Emlid Flow
Manage Emlid Reach receivers and perform positioning tasks like data collection and mapping. Offers free and pro plans for various survey workflows, with cloud sync and team collaboration features.
- Receiver management (base/rover setup)
- RTK/PPK configuration
- Point collection and stakeout
- Import/export various file formats
- Coordinate system library
- Cloud sync with Emlid Flow 360
- Team collaboration
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Emlid Flow is a companion app for Emlid Reach receivers, designed to manage devices and handle all your positioning tasks in one place. The app has Free and Pro plans for a wide range of applications, from ground control point collection to topographic mapping and earthworks. What you get with the free version: - Full control of your receivers: set up base and rover, update, configure RTK and PPK. - Point collection and stakeout. - Import/Export CSV, DXF, KML, or Shapefile files. - Built-in coordinate system library with over 1000 systems. - Ability to create custom coordinate systems. - Base shift. - Cloud sync with Emlid Flow 360. - Team collaboration with up to 10 members. Emlid Flow 360 is the web platform where you can access all data from the app and vice versa! Sync works instantly, allowing you to prepare, manage, and export projects in the office without manual file transfers and even with the receiver at hand. For more advanced survey workflows, Emlid Flow offers Pro Plan: - Collect and stakeout lines and polygons. - Stakeout reports and collect rules for accuracy control. - Survey codes to better differentiate data. - DTM support. - Auto collection tool to free your hands. - Inverse & Traverse for geometry calculations. - Team collaboration with an unlimited number of members. And much more with continuous updates! Try Pro Plan with a 30-day trial available on all platforms. Terms of use: https://emlid.com/legal/#apps-terms Privacy Policy: https://emlid.com/legal/#privacy
Screenshots
Verdict
The clearest difference is rating: NozzleCalc at 5.0 against Emlid Flow's 3.9. NozzleCalc also leads on in-app purchases (none vs 1) and iOS requirement (11.0 vs 16.0). Emlid Flow's advantage is update cadence (every 10 days vs every 49 months) and ratings volume (33 vs 1). On price, ads 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
Both are free to download. Emlid Flow sells 1 in-app purchase, starting at $24.99 per month. NozzleCalc asks for nothing beyond the download.
NozzleCalc holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Emlid Flow has 33 ratings behind it against 1, so its average is the more settled of the two.
NozzleCalc ships an update every 49 months, Emlid Flow every 10 days. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.
| Parameter | NozzleCalc | Emlid Flow |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.9 (33 ratings) |
| Positive reviews | — | 57.9% of reviews |
| Number of ratings | 1 | 33 — better |
| Update frequency | Every 49 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 13 MB | 221 MB |
| Age rating | 4+ | 4+ |
| Developer | Greenleaf Technologies | Emlid Tech Kft. |
Customer experience
NozzleCalc
Emlid Flow
In-app purchases
NozzleCalc
No in-app purchases
Emlid Flow
- Pro Plan Individual Monthly1 Month trial$24.991 Month
