# Boiler Efficiency vs FastenIQ

The clearest difference is price: FastenIQ at Free against Boiler Efficiency's $5.99. Boiler Efficiency's advantage is in-app purchases (none vs 1) and iOS requirement (14.3 vs 17.6). On ads and device support there is nothing between them.

FastenIQ is free to download; Boiler Efficiency costs $5.99 up front. FastenIQ sells 1 one-off in-app purchase. Boiler Efficiency asks for nothing beyond the download.

## The numbers

| Metric | Boiler Efficiency | FastenIQ |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | — |
| Monetization | Paid | — |
| Size | 2 MB | 29 MB |
| Requires iOS | **14.3** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kaup Shenoy Associates](https://appshunter.io/developer/460148822) | [Revoroute Ltd](https://appshunter.io/developer/1824733488) |

## 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


### FastenIQ

[App page](https://appshunter.io/ios/app/fasteniq/id6758679320)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastenIQ Pro | $2.99 | one-time |


## Frequently asked questions

### Is Boiler Efficiency free?

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

### Is FastenIQ free?

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

### Do Boiler Efficiency or FastenIQ have ads?

Neither Boiler Efficiency nor FastenIQ 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.*