Pundit Array vs Earth Science Systems Surveyor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pundit Array
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Pundit Array: Consolidated power in a single device for structural imaging, object and defect detection with ultrasound pulse echo. Also including wide area grid scanning for thickness and pulse velocity variation mapping. The idea behind Pundit is timeless: to make deep concrete imaging effortlessly precise and clear. Rugged, modular arrays of ultrasonic transducers deliver reliable defect localization and thickness measurement of concrete structures. Pundit Array app and the new Pundit PD8050 transducer array build on that theme: together they are the world's lightest, wireless, AI - assisted and cloud-enabled inspection solution of its kind. This solution allows you to scan deep into concrete faster than has ever been possible before. Uniquely create large scale 2D and 3D images and view with augmented reality directly on site. Improve your inspections with unmatched image precision, sharpness, focus and stability thanks to sophisticated algorithms. Scan over wide areas with the grid scan mode and create heat maps to localize variations in thickness. Combine this with the unique pulse velocity tag to localize variations in concrete quality. Or go further and use this in combination with the methods described in the European standards EN12504-4 and EN13791 to estimate concrete compressive strength. Enjoy the new features included in this app release to increase on-site productivity with a clean, intuitive user interface. Make measurements a breeze with real-time image adjustment, auto-gain, assisted calibration and automated positioning. Annotate measurements with photos, voice memos and comments in the Logbook. Access and share with colleagues anywhere anytime, thanks to the Screening Eagle Technologies Workspace environment. Export raw data of your measurements for post-processing in third party applications. Ultrasonic Pulse Echo detects structural features and flaws other technologies cannot see, and that is why it is the perfect complement to structural inspection with Proceq GPR Live and Profometer PM8000. Download the free app now and explore the state of the art ultrasonic pulse echo with the included demo files.
Earth Science Systems Surveyor
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Use Ground Penetrating Radar devices and GPS Base Stations manufactured by Earth Science Systems with your iPhone or iPad. For optimal GPS Base Station accuracy, your GPS Base Station must be authorized to receive assistance, and your iPhone or iPad must have cellular internet service. With a GPS Base Station this app allows you to: - Survey surface features of buried utilities in Survey mode. - Change mode to GPR Assistance. With a GPR Utility or GPR Concrete scanner this app allows you to: - Perform basic GPR scans to detect subsurface objects. - Measure depth of objects by fitting a hyperbola. - Export scan to PDF or PNG. - Remotely control Surveyor Pro on your Windows tablet (when used simultaneously).
Screenshots
Verdict
The clearest difference is ads: Earth Science Systems Surveyor at none against Pundit Array's shown. Earth Science Systems Surveyor also leads on device support (3 vs 1). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 17, 2026 and May 30, 2026 respectively.
| Parameter | Pundit Array | Earth Science Systems Surveyor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 487 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Screening Eagle Technologies | Earth Science Systems, LLC |
In-app purchases
Pundit Array
No in-app purchases
Earth Science Systems Surveyor
No in-app purchases
Questions
Is Pundit Array free?
Is Earth Science Systems Surveyor free?
Do Pundit Array or Earth Science Systems Surveyor have ads?
Which is updated more often, Pundit Array or Earth Science Systems Surveyor?
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