# Airfel Scala vs HTML Sprout

The clearest difference is price: Airfel Scala at Free against HTML Sprout's $1.99. Airfel Scala also leads on iOS requirement (15.1 vs 17.0). HTML Sprout's advantage is update cadence (fortnightly vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

Airfel Scala is free to download; HTML Sprout costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Airfel Scala ships an update every 2 months, HTML Sprout fortnightly. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Airfel Scala | HTML Sprout |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 19.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 109 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daikin Turkiye](https://appshunter.io/developer/1438731783) | [Elena Tserioti](https://appshunter.io/developer/1813805989) |

## What reviewers say

### Airfel Scala

[App page](https://appshunter.io/ios/app/airfel-scala/id1503147060)

Control compatible Airfel combi boilers remotely using your smart device. Adjust settings and manage your home's heating system from anywhere.

**Highlights:** Remote boiler control, Smart device integration, Heating system management, Adjustable settings

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

**In-app purchases:** none


### HTML Sprout

[App page](https://appshunter.io/ios/app/html-sprout/id6755871669)

**In-app purchases:** none


## Frequently asked questions

### Is Airfel Scala free?

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

### Is HTML Sprout free?

HTML Sprout costs $1.99, with no in-app purchases.

### Do Airfel Scala or HTML Sprout have ads?

Neither Airfel Scala nor HTML Sprout shows ads.

### Which is updated more often, Airfel Scala or HTML Sprout?

Airfel Scala ships an update every 2 months, and HTML Sprout fortnightly. Most recently, Airfel Scala was updated on October 16, 2026 and HTML Sprout on October 14, 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.*