# iHeatLoss vs Regulator Support

The clearest difference is price: Regulator Support at Free against iHeatLoss's $5.99. Regulator Support also leads on update cadence (every 2 months vs every 12 months) and iOS requirement (8.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Regulator Support is free to download; iHeatLoss costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iHeatLoss ships an update every 12 months, Regulator Support every 2 months. The most recent releases landed on September 23, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | iHeatLoss | Regulator Support |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/iheatloss/id680564773/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 9 MB | 4 MB |
| Requires iOS | 17.6 | **8.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Navtech Software](https://appshunter.io/developer/355517263) | [Emerson Process Management](https://appshunter.io/developer/561985742) |

## What reviewers say

### iHeatLoss

[App page](https://appshunter.io/ios/app/iheatloss/id680564773)

This app assists plumbers and heating engineers in calculating the heat output needed for each room in a building. It accounts for fabric and ventilation heat loss, providing results in Watts and BTU to help select appropriate radiators. The app also tracks multiple rooms to estimate the total heating system requirement.

**Highlights:** Room-by-room heat loss calculation, Fabric and ventilation loss inclusion, Multiple room tracking, Watts and BTU output display, Reference data for temperature and air change, Total heating output estimation

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

**In-app purchases:** none


### Regulator Support

[App page](https://appshunter.io/ios/app/regulator-support/id1126099088)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iHeatLoss free?

iHeatLoss costs $5.99, with no in-app purchases.

### Is Regulator Support free?

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

### Do iHeatLoss or Regulator Support have ads?

Neither iHeatLoss nor Regulator Support shows ads.

### Which is updated more often, iHeatLoss or Regulator Support?

iHeatLoss ships an update every 12 months, and Regulator Support every 2 months. Most recently, iHeatLoss was updated on September 23, 2026 and Regulator Support on October 15, 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.*