# Blattner Mobile vs HCSS UGM

The clearest difference is update cadence: Blattner Mobile at every 5 weeks against HCSS UGM's every 11 months. 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.

Blattner Mobile ships an update every 5 weeks, HCSS UGM every 11 months. The most recent releases landed on September 16, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Blattner Mobile | HCSS UGM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/blattner-mobile/id1361004316/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 11 months |
| Monetization | Free | — |
| Size | 31 MB | 60 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Quanta Services](https://appshunter.io/developer/1449726206) | [Heavy Construction Systems Specialists, Inc.](https://appshunter.io/developer/720784425) |

## What reviewers say

### Blattner Mobile

[App page](https://appshunter.io/ios/app/blattner-mobile/id1361004316)

Access forms and data through an integrated mobile application. This tool streamlines business operations by providing a centralized platform for essential information.

**Highlights:** Access forms, Access data, Integrated platform, Mobile access

**Features:** macOS Compatibility

**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 Blattner Mobile free?

Blattner Mobile 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 Blattner Mobile or HCSS UGM have ads?

Neither Blattner Mobile nor HCSS UGM shows ads.

### Which is updated more often, Blattner Mobile or HCSS UGM?

Blattner Mobile ships an update every 5 weeks, and HCSS UGM every 11 months. Most recently, Blattner Mobile was updated on September 16, 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.*