Soil Test Pro vs Spray Rates
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Soil Test Pro
Streamline your soil sampling process with this app. It offers GPS field boundary drawing, offline capabilities, and direct integration with leading monitors for fertilizer recommendations and controller files. Access lab results and historical data easily.
- GPS field boundary drawing
- Offline work capability
- Lab results in 5-7 days
- Fertilizer recommendations
- Controller file export
- Soil testing history
- Aerial imagery
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http://www.soiltestpro.com/ Soil Test Pro makes soil sampling easier for you as a grower or service provider. Save money and work smarter. Get lab results, fertilizer recommendations and controller files for all leading monitors. HOW IT WORKS http://www.soiltestpro.com/video/ FEATURES INCLUDE -- Unlimited access to Soil Test Pro’s Precision Ag Specialists -- Aerial imagery of all fields -- Unlimited farms and fields -- Get test results FAST in 5-7 days -- View complete soil testing history -- Integrated with John Deere Operations Center -- Integrated with Beck’s FARMserver IN THE FIELD - on your smart phone/tablet -- Work without cellular service -- Draw field boundaries with GPS -- High contrast viewing option for better visibility in sunlight -- Sample by Whole Field, Splits or Zones -- GPS Located bag numbers simplifies sampling -- Save time. Customers report 100-150 acres per hour on a 5-acre grid. AT YOUR DESK - on your Soil Test Pro Web Headquarters -- Print shipping sheets to send to the lab with your samples -- View and print lab results/analysis -- View and print fertilizer recommendation maps -- View and print your field maps -- Export variable rate controller files -- Draw or import field boundaries -- Automatic Data back-up Soil Test Pro supports most soil testing labs in the United States. Results are posted directly to your Web Headquarters. Our Precision Ag Specialists will help you with the recommendations and creating controller files for download or delivery to your service provider. Call Customer Service anytime 855-768-2900.
Spray Rates
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This app is designed to help accurately calibrate your spray solution, built by an agricultural pilot with real-world industry experience. Created from a pilot’s point of view, the app makes it easy to experiment with different spray settings and instantly see clear, plain-English results you can trust. Spray Rates is based on three key inputs: • Speed of travel or flight • Swath width • Volume of output Calculations use the standard industry formula to determine hectares covered per minute, helping you dial in accurate and repeatable spray rates. Simple, practical, and built for use in the field — give it a try and feel free to leave a review if you find it useful. Want to show your support? A one-time, non-consumable in-app purchase is available to remove ads. For the Terms of Use (EULA) for this application, please refer to Apple's Standard Licensed Application End User Agreement at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ View PitchLinks terms & conditions and privacy policy: https://www.pitchlinks.co.nz/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Soil Test Pro at none against Spray Rates's 1. Soil Test Pro also leads on ads (none vs shown) and update cadence (every 2 months vs every 9 months). On price, device support and iOS requirement 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. Spray Rates sells 1 one-off in-app purchase. Soil Test Pro asks for nothing beyond the download.
Soil Test Pro ships an update every 2 months, Spray Rates every 9 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Soil Test Pro | Spray Rates |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (14 ratings) — better | — |
| Positive reviews | 42.9% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 2 months — better | Every 9 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 24 MB | 31 MB |
| Age rating | 4+ | 12+ |
| Developer | TapLogic, LLC | PITCHLINKS LIMITED |
In-app purchases
Soil Test Pro
No in-app purchases
Spray Rates
- Spray Rates Remove Ads$5.99









