# Reflex Pro App vs RadiatorOutput

The clearest difference is update cadence: Reflex Pro App at every 4 months against RadiatorOutput's every 8 months. RadiatorOutput's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Reflex Pro App ships an update every 4 months, RadiatorOutput every 8 months. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Reflex Pro App | RadiatorOutput |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Monetization | — | Free |
| Size | 19 MB | 1 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ConSoft](https://appshunter.io/developer/397747217) | [Sebastjan Valic](https://appshunter.io/developer/503687385) |

## What reviewers say

### Reflex Pro App

[App page](https://appshunter.io/ios/app/reflex-pro-app/id424178409)

**Features:** macOS Compatibility

**In-app purchases:** none


### RadiatorOutput

[App page](https://appshunter.io/ios/app/radiatoroutput/id503687382)

Calculate radiator heat output based on water and air temperatures. Ensure optimal energy efficiency and cost savings by selecting the correct radiator size for any heating system, including those with low water temperatures. Supports metric units and can also calculate cooling output for convectors and fan-coils.

**Highlights:** Calculate radiator heat output, Adjust for water and air temperatures, Optimize energy efficiency, Supports low water temperature systems, Calculate cooling output, Metric units only

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Reflex Pro App free?

Reflex Pro App is free to download, with no in-app purchases.

### Is RadiatorOutput free?

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

### Do Reflex Pro App or RadiatorOutput have ads?

Neither Reflex Pro App nor RadiatorOutput shows ads.

### Which is updated more often, Reflex Pro App or RadiatorOutput?

Reflex Pro App ships an update every 4 months, and RadiatorOutput every 8 months. Most recently, Reflex Pro App was updated on September 17, 2026 and RadiatorOutput on September 26, 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.*