SpraySelect vs EarthOptics GroundOwl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpraySelect
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.
- Spray tip selection
- Enter speed and spacing
- Target rate input
- Droplet size category selection
- Tip recommendations list
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SpraySelect by TeeJet Technologies allows you to quickly and easily choose the proper spray tip for your application. Just enter speed, spacing and your target rate, select your droplet size category and a list of tip recommendations is provided.
EarthOptics GroundOwl
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.
- 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
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GroundOwl is EarthOptics' proprietary sensor suite that measures soil compaction to a depth of 24 inches while also measuring changes in soil texture, carbon content, conductivity, and nutrient properties. Now with a new mobile app and external control unit that simplify the collection process and make using GroundOwl technology easier than ever before.
Screenshots
Verdict
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.
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. 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.
| Parameter | SpraySelect | EarthOptics GroundOwl |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) | 5.0 (1 ratings) |
| Positive reviews | 18.9% of reviews | — |
| Number of ratings | 10 — better | 1 |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 49 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | Spraying Systems Co. | Pattern Ag, Inc. |
Customer experience
SpraySelect
EarthOptics GroundOwl
In-app purchases
SpraySelect
No in-app purchases
EarthOptics GroundOwl
No in-app purchases
Questions
Is SpraySelect free?
Is EarthOptics GroundOwl free?
Which has better reviews, SpraySelect or EarthOptics GroundOwl?
Do SpraySelect or EarthOptics GroundOwl have ads?
Which is updated more often, SpraySelect or EarthOptics GroundOwl?
Other comparisons
