Comparison

FieldX Sampling vs Ag PhD Soils

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

Head to head
About

FieldX Sampling

This app helps agricultural professionals collect soil samples in the field. It allows users to create and manage sampling points, navigate to locations, and log journal entries. The app supports offline use and integrates with desktop software for data management.

Highlights
  • Create and update sampling journal entries
  • Add, move, and delete sampling points
  • Navigate to sampling points with direction and distance
  • Mark sampling points as completed
  • Add new sampling points at GPS location
  • Work online or offline
  • Import/Export points from FieldX Office
Features
Read full description

FieldX Sampling™ is an in-field mobile app for soil sampling on agricultural fields. The app includes tools to create and update sampling journal entries, including the ability to add, move, and delete sampling points. FieldX Sampling capabilities: • Display field borders and sample points/zones. • Mark sampling points as completed and advance to next point with one tap. • Create new sampling journal entries. • Add new sampling points at GPS location. • Move sampling points to current GPS location. • Navigate to sample points with a tool to indicate direction and distance to a point from GPS location. • Upload changes to sampling journal entries. Additional benefits: • Work online or offline. • Get turn-by-turn directions to the field. • Set up sample grid in FieldX Office/VRT and navigate to the sample points in FieldX Sampling. • Import and Export points from FieldX Office/VRT to a SHP file, • Work with any lab you choose for soil testing. FieldX Sampling is part of the FieldX Platform, which is an agricultural software system that is used across the United States and Canada. FieldX currently supports grid sampling, zone sampling and composite soil sampling.

About

Ag PhD Soils

This app streamlines soil sampling with an easy step process, providing fast lab results and personalized recommendations from experts. It offers aerial imagery maps and unlimited access to precision ag specialists, allowing you to test any acreage with a pay-as-you-go model.

Highlights
  • Easy grid sampling process
  • Fast lab results (5-7 days)
  • Aerial imagery maps
  • Unlimited precision ag specialist access
  • Pay-as-you-go testing
  • Offline work capability
  • GPS field boundary drawing
Features
Read full description

Ag PhD Soils provides you with a fast, accurate tool for soil sampling. Designed to save you money and maximize your yields, Ag PhD Soils provides you with unmatched soil testing expertise at your fingertips. You will receive high quality lab results and personalized recommendations from the Ag PhD experts, Brian and Darren Hefty. FEATURES INCLUDE -Easy step process for grid sampling your fields. -FAST lab results in 5-7 days. -Aerial imagery maps of your fields. -Unlimited access to Precision Ag Specialists -Test as many or as few acres as you choose. Simply pay as you go, there are no contracts or obligations. IN THE FIELD (on your smart phone or tablet) -Sync your mobile devices to stay updated. -Work without cellular service. -Draw field boundaries with GPS. -High contrast viewing option for better visibility in the sunlight. -Create new soil sample jobs including setting grids for your field. -Save time. Customers report easily sampling over 1000 acres per day. AT YOUR DESK (on your Ag PhD Soils Web account) -Create new soil sample jobs including setting grids for your field. -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 aerial images of your fields. -Order bags, boxes and shipping labels based on the estimated acreage to be tested. -Generate Variable Rate Prescriptions and download recommendations and controller files. -View complete history of your soil tests. -Automatic data back-up. Ag PhD Soils works exclusively with Midwest Laboratories to provide you with the most comprehensive test package available.

Screenshots

FieldX Sampling4 screens
Ag PhD Soils4 screens

Verdict

The call

The clearest difference is review sentiment: FieldX Sampling at 100% against Ag PhD Soils's 0%. FieldX Sampling also leads on rating (4.0 vs 1.6) and update cadence (weekly vs every 3 weeks). Ag PhD Soils's advantage is iOS requirement (11.0 vs 15.6). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

FieldX Sampling holds the better App Store score, 4.0 against 1.6. Both are backed by a comparable volume of ratings — 5 and 13 respectively. Written reviews point the same way: 100% of FieldX Sampling's written reviews are positive against 0% of Ag PhD Soils's.

UpkeepUpdate frequency

FieldX Sampling ships an update weekly, Ag PhD Soils every 3 weeks. The most recent releases landed on September 3, 2026 and June 4, 2026 respectively.

Scorecard4 real differences · 6 level
FieldX Sampling versus Ag PhD Soils: the parameters behind the verdict, then further details
ParameterFieldX SamplingAg PhD Soils
PriceFreeFree
Rating4.0 (5 ratings) — better1.6 (13 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings513 — better
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.611.0 — better
Further details — not scored
Size6 MB18 MB
Age rating4+4+
DeveloperFieldX Inc.IFA Productions Inc.

Customer experience

FieldX Sampling

All ratings5 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Ag PhD Soils

All ratings13 ratings
Positive15.4%
Neutral0.0%
Negative84.6%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

FieldX Sampling

No in-app purchases

None

Ag PhD Soils

No in-app purchases

Questions

Is FieldX Sampling free?
FieldX Sampling is free to download, with no in-app purchases.
Is Ag PhD Soils free?
Ag PhD Soils is free to download, with no in-app purchases.
Which has better reviews, FieldX Sampling or Ag PhD Soils?
FieldX Sampling is rated higher. FieldX Sampling averages 4.0 out of 5 from 5 ratings, while Ag PhD Soils averages 1.6 from 13 ratings.
Do FieldX Sampling or Ag PhD Soils have ads?
Neither FieldX Sampling nor Ag PhD Soils shows ads.
Which is updated more often, FieldX Sampling or Ag PhD Soils?
FieldX Sampling ships an update weekly, and Ag PhD Soils every 3 weeks. Most recently, FieldX Sampling was updated on September 3, 2026 and Ag PhD Soils on June 4, 2026.

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