# Boiler Efficiency vs PsychroFlow Pro

The clearest difference is price: PsychroFlow Pro at $1.99 against Boiler Efficiency's $5.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Boiler Efficiency costs $5.99 and PsychroFlow Pro $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Boiler Efficiency | PsychroFlow Pro |
| --- | --- | --- |
| Price | $5.99 | **$1.99** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | — |
| Monetization | Paid | — |
| Size | 2 MB | 30 MB |
| Requires iOS | **14.3** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kaup Shenoy Associates](https://appshunter.io/developer/460148822) | [David Amison](https://appshunter.io/developer/808351168) |

## What reviewers say

### Boiler Efficiency

[App page](https://appshunter.io/ios/app/boiler-efficiency/id490506363)

Perform preliminary audits on boiler efficiency and identify various losses in steam generation. Customize boiler applications, compare fuel grades, and analyze heat balance and flue gas for potential savings and improvements.

**Highlights:** Boiler efficiency audits, Loss identification, Customizable boiler applications, Fuel grade comparison, Heat balance sheet, Flue gas analysis, CHP (Brayton) cycle analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### PsychroFlow Pro

[App page](https://appshunter.io/ios/app/psychroflow-pro/id6757249718)

**In-app purchases:** none


## Frequently asked questions

### Is Boiler Efficiency free?

Boiler Efficiency costs $5.99, with no in-app purchases.

### Is PsychroFlow Pro free?

PsychroFlow Pro costs $1.99, with no in-app purchases.

### Do Boiler Efficiency or PsychroFlow Pro have ads?

Neither Boiler Efficiency nor PsychroFlow Pro shows ads.

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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.*