# SpraySelect vs EarthOptics GroundOwl

The clearest difference is update cadence: EarthOptics GroundOwl at every 2 weeks against SpraySelect's every 4 months. SpraySelect's advantage is ratings volume (10 vs 1). On price, rating, ads and in-app purchases 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 SpraySelect against 5.0 for EarthOptics GroundOwl. That said, the two scores are not equally well evidenced: SpraySelect has 10 ratings behind it against 1, so its average is the more settled of the two.

SpraySelect ships an update every 4 months, EarthOptics GroundOwl every 2 weeks. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SpraySelect | EarthOptics GroundOwl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (10 ratings)](https://appshunter.io/ios/app/sprayselect/id520882606/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/earthoptics-groundowl/id6751121723/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | 18.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 49 MB | 71 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spraying Systems Co.](https://appshunter.io/developer/520883189) | [Pattern Ag, Inc.](https://appshunter.io/developer/1471211351) |

## What reviewers say

### SpraySelect

[App page](https://appshunter.io/ios/app/sprayselect/id520882606)

Easily select the correct spray tip for your agricultural or industrial needs. Input your application parameters like speed and spacing to receive tailored recommendations for droplet size and tip selection.

**Highlights:** Spray tip selection, Enter speed and spacing, Target rate input, Droplet size category selection, Tip recommendations list

**Features:** macOS Compatibility

**In-app purchases:** none


### EarthOptics GroundOwl

[App page](https://appshunter.io/ios/app/earthoptics-groundowl/id6751121723)

This app simplifies soil analysis by wirelessly connecting to a sensor suite. It measures soil compaction, texture, carbon content, conductivity, and nutrient properties up to 24 inches deep.

**Highlights:** Measures soil compaction up to 24 inches, Analyzes soil texture, Measures soil carbon content, Measures soil conductivity, Measures nutrient properties, Wireless sensor connection, Simplified data collection

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

**In-app purchases:** none


## Frequently asked questions

### Is SpraySelect free?

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

### Is EarthOptics GroundOwl free?

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

### Which has better reviews, SpraySelect or EarthOptics GroundOwl?

SpraySelect and EarthOptics GroundOwl are both rated 5.0 out of 5 on the App Store, from 10 and 1 ratings respectively.

### Do SpraySelect or EarthOptics GroundOwl have ads?

Neither SpraySelect nor EarthOptics GroundOwl shows ads.

### Which is updated more often, SpraySelect or EarthOptics GroundOwl?

SpraySelect ships an update every 4 months, and EarthOptics GroundOwl every 2 weeks. Most recently, SpraySelect was updated on October 19, 2026 and EarthOptics GroundOwl on October 13, 2026.

---

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