# HCSS Plans vs Sitelink3D 2 Support Desk

The clearest difference is update cadence: HCSS Plans at every 3 weeks against Sitelink3D 2 Support Desk's every 13 months. Sitelink3D 2 Support Desk's advantage is iOS requirement (10.0 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.

HCSS Plans ships an update every 3 weeks, Sitelink3D 2 Support Desk every 13 months. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | HCSS Plans | Sitelink3D 2 Support Desk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (406 ratings)](https://appshunter.io/ios/app/hcss-plans-revision-control/id1319971186/reviews)** | — |
| Number of ratings | **406** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 13 months |
| Monetization | Free | — |
| Size | 201 MB | 50 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heavy Construction Systems Specialists, Inc.](https://appshunter.io/developer/720784425) | [Topcon Positioning Systems, Inc.](https://appshunter.io/developer/667040500) |

## 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


### Sitelink3D 2 Support Desk

[App page](https://appshunter.io/ios/app/sitelink3d-2-support-desk/id1480749268)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HCSS Plans free?

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

### Is Sitelink3D 2 Support Desk free?

Sitelink3D 2 Support Desk is free to download, with no in-app purchases.

### Do HCSS Plans or Sitelink3D 2 Support Desk have ads?

Neither HCSS Plans nor Sitelink3D 2 Support Desk shows ads.

### Which is updated more often, HCSS Plans or Sitelink3D 2 Support Desk?

HCSS Plans ships an update every 3 weeks, and Sitelink3D 2 Support Desk every 13 months. Most recently, HCSS Plans was updated on November 3, 2026 and Sitelink3D 2 Support Desk on October 29, 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.*