# Site Stabilization Calculator vs Excavation Calc

The clearest difference is ads: Excavation Calc at none against Site Stabilization Calculator's shown. Excavation Calc also leads on update cadence (every 3 weeks vs every 12 months). Site Stabilization Calculator's advantage is iOS requirement (15.1 vs 17.0). On price, 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.

Site Stabilization Calculator ships an update every 12 months, Excavation Calc every 3 weeks. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Site Stabilization Calculator | Excavation Calc |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 20 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TYJA Enterprises Corporation](https://appshunter.io/developer/1626166382) | [光 杨](https://appshunter.io/developer/1891134953) |

## What reviewers say

### Site Stabilization Calculator

[App page](https://appshunter.io/ios/app/site-stabilization-calculator/id1131344964)

Calculate spread rates for soil stabilization materials like cement and quicklime, or liquid stabilizers. Estimate project materials such as undercuts, aggregate base course, asphalt, and concrete. Save and share project details with notes and images.

**Highlights:** Calculate spread rates for stabilizing powders, Estimate undercuts, aggregate base course, asphalt, concrete, Save calculations into projects, Add supporting notes and images, Share project calculations, notes, and images

**Features:** macOS Compatibility

**In-app purchases:** none


### Excavation Calc

[App page](https://appshunter.io/ios/app/excavation-calc/id6768076744)

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

**In-app purchases:** none


## Frequently asked questions

### Is Site Stabilization Calculator free?

Site Stabilization Calculator is free to download, with no in-app purchases.

### Is Excavation Calc free?

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

### Do Site Stabilization Calculator or Excavation Calc have ads?

Site Stabilization Calculator shows ads; Excavation Calc does not.

### Which is updated more often, Site Stabilization Calculator or Excavation Calc?

Site Stabilization Calculator ships an update every 12 months, and Excavation Calc every 3 weeks. Most recently, Site Stabilization Calculator was updated on November 2, 2026 and Excavation Calc on October 25, 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.*