Comparison

Soil Test Pro vs Spray Rates

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • GPS field boundary drawing
  • Offline work capability
  • Lab results in 5-7 days
  • Fertilizer recommendations
  • Controller file export
  • Soil testing history
  • Aerial imagery
Features
Read full description

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.

About

Spray Rates

Features
Read full description

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

Soil Test Pro4 screens
Spray Rates4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Spray Rates sells 1 one-off in-app purchase. Soil Test Pro asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Soil Test Pro versus Spray Rates: the parameters behind the verdict, then further details
ParameterSoil Test ProSpray Rates
PriceFreeFree
Rating3.7 (14 ratings) — better—
Positive reviews42.9% of reviews—
Number of ratings14 — better—
Update frequencyEvery 2 months — betterEvery 9 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.6
Further details — not scored
Size24 MB31 MB
Age rating4+12+
DeveloperTapLogic, LLCPITCHLINKS LIMITED

In-app purchases

None

Soil Test Pro

No in-app purchases

1 purchases

Spray Rates

One-time1
  • Spray Rates Remove Ads$5.99

Questions

Is Soil Test Pro free?
Soil Test Pro is free to download, with no in-app purchases.
Is Spray Rates free?
Spray Rates is free to download, with in-app purchases available.
Do Soil Test Pro or Spray Rates have ads?
Spray Rates shows ads; Soil Test Pro does not.
Which is updated more often, Soil Test Pro or Spray Rates?
Soil Test Pro ships an update every 2 months, and Spray Rates every 9 months. Most recently, Soil Test Pro was updated on November 1, 2026 and Spray Rates on October 30, 2026.

Other comparisons