# iHeatLoss vs voltworks

The clearest difference is price: voltworks at Free against iHeatLoss's $5.99. voltworks also leads on rating (4.0 vs 1.0) and iOS requirement (12.0 vs 17.6). iHeatLoss's advantage is device support. On ratings volume and in-app purchases there is nothing between them.

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

voltworks holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | iHeatLoss | voltworks |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/iheatloss/id680564773/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/voltworks/id1659478449/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 12 months | — |
| Monetization | Paid | **Free** |
| Size | 9 MB | 27 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 17+ |
| Developer | [Navtech Software](https://appshunter.io/developer/355517263) | [雪锋 黄](https://appshunter.io/developer/1635926506) |

## 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


### voltworks

[App page](https://appshunter.io/ios/app/voltworks/id1659478449)

This utility app connects to outdoor mobile power supply hardware via Bluetooth. It allows users to control device power, view information, and set timed tasks.

**Highlights:** Bluetooth connectivity, Device power control, Information display, Timed task scheduling

**In-app purchases:** none


## Frequently asked questions

### Is iHeatLoss free?

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

### Is voltworks free?

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

### Which has better reviews, iHeatLoss or voltworks?

voltworks is rated higher. iHeatLoss averages 1.0 out of 5 from 1 ratings, while voltworks averages 4.0 from 1 ratings.

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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.*