# SmartDirt vs HCSS UGM

The clearest difference is update cadence: SmartDirt at every 2 months against HCSS UGM's every 11 months. SmartDirt also leads on iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SmartDirt ships an update every 2 months, HCSS UGM every 11 months. The most recent releases landed on September 4, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | SmartDirt | HCSS UGM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/smartdirt/id1256662905/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Free | — |
| Size | 21 MB | 60 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AGTEK Development Company](https://appshunter.io/developer/829858919) | [Heavy Construction Systems Specialists, Inc.](https://appshunter.io/developer/720784425) |

## What reviewers say

### SmartDirt

[App page](https://appshunter.io/ios/app/smartdirt/id1256662905)

Visualize AGTEK takeoff data, including 3D models, data lines, and plansheets, on your mobile device. Interact with a geo-referenced map to view cut-fill information, select points for detailed data, and measure distances or slopes. Create notes, tracks, and capture images for use in other software.

**Highlights:** View 3D models and plansheets, Interactive geo-referenced map, Cut-fill visualization, Point data display (elevation, coordinates), Measurement tools (slope, distance), Create notes, tracks, and photos

**Features:** Vision Pro support

**In-app purchases:** none


### HCSS UGM

[App page](https://appshunter.io/ios/app/hcss-ugm/id1445192069)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartDirt free?

SmartDirt is free to download, with no in-app purchases.

### Is HCSS UGM free?

HCSS UGM is free to download, with no in-app purchases.

### Do SmartDirt or HCSS UGM have ads?

Neither SmartDirt nor HCSS UGM shows ads.

### Which is updated more often, SmartDirt or HCSS UGM?

SmartDirt ships an update every 2 months, and HCSS UGM every 11 months. Most recently, SmartDirt was updated on September 4, 2026 and HCSS UGM on September 12, 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.*