# Proceq GPR Subsurface vs Benchmarks ∆

The clearest difference is price: Proceq GPR Subsurface at Free against Benchmarks ∆'s $9.99. Benchmarks ∆'s advantage is update cadence (monthly vs every 3 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Proceq GPR Subsurface is free to download; Benchmarks ∆ costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Proceq GPR Subsurface ships an update every 3 months, Benchmarks ∆ monthly. The most recent releases landed on September 15, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Proceq GPR Subsurface | Benchmarks ∆ |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/proceq-gpr-subsurface/id1524783895/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 1.1 GB | 11 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Screening Eagle Technologies](https://appshunter.io/developer/1515215362) | [Matthew DiGirolamo](https://appshunter.io/developer/1732853577) |

## What reviewers say

### Proceq GPR Subsurface

[App page](https://appshunter.io/ios/app/proceq-gpr-subsurface/id1524783895)

This application uses radar technology to create detailed 3D images of underground structures. It helps detect utilities, verify as-built maps, and perform structural investigations with intuitive on-site analysis and cloud collaboration features.

**Highlights:** Subsurface 3D imaging, Utility line detection, As-built map verification, Real-time Augmented Reality visualization, On-site data annotation, Cloud-based collaboration and export

**In-app purchases:** none


### Benchmarks ∆

[App page](https://appshunter.io/ios/app/benchmarks/id6478444466)

**In-app purchases:** none


## Frequently asked questions

### Is Proceq GPR Subsurface free?

Proceq GPR Subsurface is free to download, with no in-app purchases.

### Is Benchmarks ∆ free?

Benchmarks ∆ costs $9.99, with no in-app purchases.

### Do Proceq GPR Subsurface or Benchmarks ∆ have ads?

Neither Proceq GPR Subsurface nor Benchmarks ∆ shows ads.

### Which is updated more often, Proceq GPR Subsurface or Benchmarks ∆?

Proceq GPR Subsurface ships an update every 3 months, and Benchmarks ∆ monthly. Most recently, Proceq GPR Subsurface was updated on September 15, 2026 and Benchmarks ∆ on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*