GK Field Mapper vs GPS2Quantum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
GPS2Quantum
This app transforms real-time GPS coordinates into quantum spherical coordinates, visualizing your position as a state vector on a Bloch sphere. Explore two modes: real-world tracking or superposition with a chosen origin. Analyze sessions with AI and export data for further study.
- Real-time GPS to quantum coordinates
- Bloch sphere visualization
- Superposition mode with custom origin
- AI session analysis
- Session logging and CSV export
- Adjustable sensor degradation
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GPS2Quantum Your location is not just a latitude and longitude. It is a quantum state. GPS2Quantum transforms your real-time GPS coordinates into quantum spherical coordinates (polar angle, azimuthal angle, and radial magnitude) and visualizes your position as a state vector on a Bloch sphere. The same mathematical framework used in quantum information science, applied to where you are standing right now. TWO MODES... REAL WORLD: Capture your current GPS position and watch your quantum state vector update in real time. Track your movement across the Bloch sphere. Log every reading. Export your session as a CSV. SUPERPOSITION: Choose any location on Earth as your quantum origin. K2. The Mariana Trench. The Eiffel Tower. Your movement deltas are then applied to that origin, placing your quantum state simultaneously at your physical location and your chosen point on Earth. Your state vector moves. Your quantum position is real. THE BLOCH SPHERE 3D... Watch your quantum state vector update live. Orange trail dots trace your recent history. The STATE indicator shows whether you are in GROUND or EXCITED determined by whether your polar angle θ crosses π/2. Cross the equatorial plane and your state flips. This is not a simulation. AI SESSION ANALYSIS After collecting readings, tap the AI button for a technical analysis of your session: quantum state evolution, sensor performance, movement analysis, notable observations. In Superposition mode, a fifth section narrates your quantum journey through the origin location: the streets or sea or air you passed through, the altitude above or below the surface, the neighborhoods your quantum state traversed. SESSION LOG & EXPORT Every reading is logged with full quantum coordinates, GPS position, deltas, and uncertainty radius. Export as CSV for further analysis in any spreadsheet application. ADVANCED SETTINGS Model real-world sensor degradation with easy-to-set Drift parameters. Choose your sensor class (Consumer through Strategic Grade) and operational condition (Static, Automotive, Aerial, Subsea). The uncertainty radius visualizes as a halo ring on both the Bloch sphere and the GPS map. Set a custom altitude to anchor your quantum origin underground, subsea, or in near-space. WHO IS THIS FOR Physicists, geodesists, engineers, and anyone curious about where quantum mechanics and physical location intersect. GPS2Quantum does not simplify the physics. It applies it. Location is a quantum state. SUBSCRIPTION Requires a subscription. Download is free with a trial (Monthly: 7 days, Annual: 14 days). After the trial, subscriptions auto-renew unless canceled. Pricing: Monthly $4.99 / month, Annual $26.49 / year. Manage or cancel in iOS Settings → Subscriptions. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://gps2quantum.com/privacypolicy
Screenshots
Verdict
The clearest difference is monetization model: GK Field Mapper at freemium against GPS2Quantum's subscription. GPS2Quantum's advantage is update cadence (weekly vs monthly). On price, rating, ratings volume and ads 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. GK Field Mapper sells 4 in-app purchases, starting at $5.99 per month and GPS2Quantum sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for GK Field Mapper against 5.0 for GPS2Quantum. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
GK Field Mapper ships an update monthly, GPS2Quantum weekly. The most recent releases landed on September 5, 2026 and August 11, 2026 respectively.
| Parameter | GK Field Mapper | GPS2Quantum |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 64 MB | 58 MB |
| Age rating | 17+ | 12+ |
| Developer | GK Technology, Inc. | Thomas Gillan |
Customer experience
GK Field Mapper
GPS2Quantum
In-app purchases
GK Field Mapper
- Standard$5.991 Month
- Professional Monthly$14.991 Month
- Professional Yearly$119.991 Year
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- Enterprise$239.991 Year
GPS2Quantum
- GPS2Quantum Pro (Monthly)7 Days trial$4.991 Month
- GPS2Quantum Pro (Annual)14 Days trial$26.491 Year
Questions
Is GK Field Mapper free?
Is GPS2Quantum free?
Which has better reviews, GK Field Mapper or GPS2Quantum?
Do GK Field Mapper or GPS2Quantum have ads?
Which is updated more often, GK Field Mapper or GPS2Quantum?
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