# MSite Supervisor vs HAV Calculator

The clearest difference is update cadence: MSite Supervisor at every 2 months against HAV Calculator's every 50 months. MSite Supervisor also leads on iOS requirement (12.2 vs 16.0). 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.

MSite Supervisor ships an update every 2 months, HAV Calculator every 50 months. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MSite Supervisor | HAV Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 50 months |
| Monetization | Free | — |
| Size | 659 MB | 37 MB |
| Requires iOS | **12.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Human Recognition Systems Ltd](https://appshunter.io/developer/1277025432) | [Earlsmere Limited](https://appshunter.io/developer/1445672929) |

## What reviewers say

### MSite Supervisor

[App page](https://appshunter.io/ios/app/msite-supervisor/id1277025433)

Manage workforce attendance, skills, and training for construction sites, even without an internet connection. Features include offline capabilities, GPS tracking for verification, and automated grant claim reporting.

**Highlights:** Offline attendance and training logging, GPS tracking for site verification, Automated CITB grant claim processing, Employee skills and accreditation checks, QR code scanning for website integration, Add new employee records via app

**Features:** macOS Compatibility

**In-app purchases:** none


### HAV Calculator

[App page](https://appshunter.io/ios/app/hav-calculator/id1522298160)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MSite Supervisor free?

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

### Is HAV Calculator free?

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

### Do MSite Supervisor or HAV Calculator have ads?

Neither MSite Supervisor nor HAV Calculator shows ads.

### Which is updated more often, MSite Supervisor or HAV Calculator?

MSite Supervisor ships an update every 2 months, and HAV Calculator every 50 months. Most recently, MSite Supervisor was updated on October 9, 2026 and HAV Calculator 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.*