# Coldpilot vs HVAC Calculator

The clearest difference is in-app purchases: Coldpilot at none against HVAC Calculator's 1. Coldpilot also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). HVAC Calculator's advantage is update cadence (every 3 weeks vs every 3 months). On price and ads there is nothing between them.

Both are free to download. HVAC Calculator sells 1 one-off in-app purchase. Coldpilot asks for nothing beyond the download.

Coldpilot ships an update every 3 months, HVAC Calculator every 3 weeks. The most recent releases landed on November 4, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Coldpilot | HVAC Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/coldpilot/id6477747099/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 26 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [瑞康 陶](https://appshunter.io/developer/1725590325) | [静 李](https://appshunter.io/developer/1727531367) |

## What reviewers say

### Coldpilot

[App page](https://appshunter.io/ios/app/coldpilot/id6477747099)

Monitor and control cold rooms and refrigeration systems in real-time. Receive alarm notifications and analyze energy consumption to optimize system parameters for energy savings.

**Highlights:** Real-time monitoring, Refrigeration system control, Alarm reminders, Information pushing, Energy consumption analysis, Parameter optimization

**Features:** macOS Compatibility

**In-app purchases:** none


### HVAC Calculator

[App page](https://appshunter.io/ios/app/hvac-calculator-fieldcalc/id6784082740)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FieldCalc HVAC Pro | $9.99 | one-time |


## Frequently asked questions

### Is Coldpilot free?

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

### Is HVAC Calculator free?

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

### Do Coldpilot or HVAC Calculator have ads?

Neither Coldpilot nor HVAC Calculator shows ads.

### Which is updated more often, Coldpilot or HVAC Calculator?

Coldpilot ships an update every 3 months, and HVAC Calculator every 3 weeks. Most recently, Coldpilot was updated on November 4, 2026 and HVAC Calculator 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.*