# Sauermann Pilot vs HVAC

The clearest difference is in-app purchases: Sauermann Pilot at none against HVAC's 3. Sauermann Pilot also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). HVAC's advantage is update cadence (every 11 days vs every 6 weeks). On price and ads there is nothing between them.

Both are free to download. HVAC sells 3 in-app purchases, starting at $9.99 per 7 days. Sauermann Pilot asks for nothing beyond the download.

Sauermann Pilot ships an update every 6 weeks, HVAC every 11 days. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Sauermann Pilot | HVAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (9 ratings)](https://appshunter.io/ios/app/hvac-nameplate-scanner/id6814725045/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 58 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SAUERMANN INDUSTRIE](https://appshunter.io/developer/1169513729) | [APPSPHERE LIMITED](https://appshunter.io/developer/6785789248) |

## What reviewers say

### Sauermann Pilot

[App page](https://appshunter.io/ios/app/sauermann-pilot/id6474558049)

**Features:** Vision Pro support

**In-app purchases:** none


### HVAC

[App page](https://appshunter.io/ios/app/hvac-nameplate-scanner/id6814725045)

Scan HVAC equipment nameplates to capture model and serial numbers. Organize service records and access refrigerant pressure-temperature charts. Find equipment manuals and streamline your field service workflow.

**Highlights:** Scan HVAC equipment nameplates, Organize equipment records, Access refrigerant P-T charts, Find available equipment manuals, Offline refrigerant data, Manual data entry option

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Membership | $9.99 | per 7 days |
| VIP Membership | $39.99 | per year |
| VIP Membership | $59.99 | one-time |


## Frequently asked questions

### Is Sauermann Pilot free?

Sauermann Pilot is free to download, with no in-app purchases.

### Is HVAC free?

HVAC is free to download, with in-app purchases available.

### Do Sauermann Pilot or HVAC have ads?

Neither Sauermann Pilot nor HVAC shows ads.

### Which is updated more often, Sauermann Pilot or HVAC?

Sauermann Pilot ships an update every 6 weeks, and HVAC every 11 days. Most recently, Sauermann Pilot was updated on November 8, 2026 and HVAC on November 10, 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.*