Comparison

GK Field Mapper vs VRAFY Sampling

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

Head to head
About

GK Field Mapper

This app provides comprehensive mobile mapping tools for surveying, recording GPS locations, and visualizing geospatial data. It supports various data formats, custom styling, and offline functionality, with cloud synchronization for seamless data transfer.

Highlights
  • Survey points, lines, polygons, and benchmarks
  • Log full GPS data and create quickmarks
  • Utilize internal or external GPS devices
  • Load geo-referenced images and vector data
  • Create drawings, measurements, and style data labels
  • Offline functionality and cloud synchronization
Features
Read full description

Handle all your mobile mapping needs with one powerful app. Upload geospatial data, track and record GPS locations, and visualize collected data in map view with ease. GK Field Mapper is designed to meet your mobile mapping needs, offering a comprehensive suite of features. Features: - Survey points, lines, polygons, continuous points, and benchmarks - Log full GPS data for entire fields - Create quickmarks while surveying other features simultaneously - Utilize internal or external GPS devices via Bluetooth or WiFi - Load your own geo-referenced images (.grd, .bmp, .jpg) - View vector data (.shp, .kml, .kmz, .(geo)json, .dxf, .dwg, .gpx, and .csv - Create your own drawings and measurements - Style labels and colors to represent and differentiate your data - Edit and view attribute fields for vector data - View elevation profiles for surveyed GPS logs and lines - Load web imagery from Google/ESRI/Open Street Map - Generate routes to known addresses or features - Offline functionality in remote areas - Automatically sync data online for easy transfer to other devices Subscriptions: - Users that purchase a subscription unlock additional mapping features and gain access to the GK Cloud to seamlessly transfer data between mobile devices, PCs, and/or GK Technology, Inc.’s ADMS (Ag Data Mapping Solution) software. - GK Cloud allows automatic synchronization between mapping files and folders on your field device and your cloud account. - Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You will be charged for renewal within 24 hours of the end of the current period. - Privacy Policy: https://cloud.gktechinc.com/privacy - Terms of Service: https://cloud.gktechinc.com/termsofservice

About

VRAFY Sampling

Features
Read full description

Simplify soil sampling with our mobile app designed for fieldwork! Tailored to complement our desktop application, this tool enables users to: - View, create, edit, and delete soil plans. - Work offline by downloading local content. Access and modify soil plans even without an internet connection. - Use the Local Content page to manage changes and sync with the server. - Seamlessly sync all offline changes—such as new plans, edits, or deletions (once back online). Perfect for users who need to work in the field, the app allows you to make updates on-site and securely synchronize them with the server when you're back in the office. Streamline your soil sampling process with robust offline support and effortless data management! Key Features: Navigate to specific points with precision Offline Capabilities: PCT Sampling App is fully functional offline, so you can continue your work without interruption, even in remote locations

Screenshots

GK Field Mapper4 screens
VRAFY Sampling3 screens

Verdict

The call

The clearest difference is in-app purchases: VRAFY Sampling at none against GK Field Mapper's 4. On price, update cadence, ads and device support 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. GK Field Mapper sells 4 in-app purchases, starting at $5.99 per month. VRAFY Sampling asks for nothing beyond the download.

UpkeepUpdate frequency

GK Field Mapper ships an update monthly, VRAFY Sampling every 3 weeks. The most recent releases landed on September 5, 2026 and September 13, 2026 respectively.

Scorecard1 real difference · 9 level
GK Field Mapper versus VRAFY Sampling: the parameters behind the verdict, then further details
ParameterGK Field MapperVRAFY Sampling
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size64 MB85 MB
Age rating17+17+
DeveloperGK Technology, Inc.PCT Agcloud

In-app purchases

4 purchases

GK Field Mapper

Subscriptions4
  • Standard$5.991 Month
  • Professional Monthly$14.991 Month
  • Professional Yearly$119.991 Year
Show 1 more
  • Enterprise$239.991 Year
None

VRAFY Sampling

No in-app purchases

Questions

Is GK Field Mapper free?
GK Field Mapper is free to download, with in-app purchases available.
Is VRAFY Sampling free?
VRAFY Sampling is free to download, with no in-app purchases.
Do GK Field Mapper or VRAFY Sampling have ads?
Neither GK Field Mapper nor VRAFY Sampling shows ads.
Which is updated more often, GK Field Mapper or VRAFY Sampling?
GK Field Mapper ships an update monthly, and VRAFY Sampling every 3 weeks. Most recently, GK Field Mapper was updated on September 5, 2026 and VRAFY Sampling on September 13, 2026.

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