# HCSS Plans vs Blattner Mobile

The clearest difference is rating: HCSS Plans at 4.6 against Blattner Mobile's 3.0. HCSS Plans also leads on ratings volume (405 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

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

HCSS Plans holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: HCSS Plans has 405 ratings behind it against 3, so its average is the more settled of the two.

HCSS Plans ships an update every 3 weeks, Blattner Mobile every 5 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | HCSS Plans | Blattner Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (405 ratings)](https://appshunter.io/ios/app/hcss-plans-revision-control/id1319971186/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/blattner-mobile/id1361004316/reviews) |
| Number of ratings | **405** | 3 |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 201 MB | 31 MB |
| Requires iOS | 17.0 | **16.1** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Heavy Construction Systems Specialists, Inc.](https://appshunter.io/developer/720784425) | [Quanta Services](https://appshunter.io/developer/1449726206) |

## What reviewers say

### HCSS Plans

[App page](https://appshunter.io/ios/app/hcss-plans-revision-control/id1319971186)

This app facilitates real-time collaboration on construction plans for heavy civil projects. It allows teams to upload, annotate, and share PDF plans, ensuring everyone works with the latest revisions. Features include smart revision control, instant document access, and built-in calculators for accurate quantity takeoffs.

**Highlights:** Real-time collaboration, Smart revision control, PDF plan upload and markup, Instant document access, Built-in heavy civil calculators, Location services for field use, Sheet overlays for conflict detection

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HCSS Plans free?

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

### Is Blattner Mobile free?

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

### Which has better reviews, HCSS Plans or Blattner Mobile?

HCSS Plans is rated higher. HCSS Plans averages 4.6 out of 5 from 405 ratings, while Blattner Mobile averages 3.0 from 3 ratings.

### Do HCSS Plans or Blattner Mobile have ads?

Neither HCSS Plans nor Blattner Mobile shows ads.

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

HCSS Plans ships an update every 3 weeks, and Blattner Mobile every 5 weeks. Most recently, HCSS Plans was updated on October 24, 2026 and Blattner Mobile on October 15, 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.*