# Supafil E vs Arhivix

The clearest difference is update cadence: Arhivix at weekly against Supafil E's every 4 months. Supafil E's advantage is iOS requirement (5.1.1 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Supafil E ships an update every 4 months, Arhivix weekly. The most recent releases landed on October 22, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Supafil E | Arhivix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/supafil-e-calculator-for-iphone/id938217807/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 24 MB | 121 MB |
| Requires iOS | **5.1.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Knauf Insulation SPRL](https://appshunter.io/developer/938145002) | [NOTIX DOO](https://appshunter.io/developer/1749586896) |

## What reviewers say

### Supafil E

[App page](https://appshunter.io/ios/app/supafil-e-calculator-for-iphone/id938217807)

This tool estimates the benefits of using SUPAFIL insulation in cavity walls. It calculates potential savings in energy, finances, and CO2 emissions based on improved wall insulation.

**Highlights:** Estimate energy savings, Calculate financial gains, Determine CO2 emission reduction, Based on improved wall insulation, Uses HDD method for energy savings

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

**In-app purchases:** none


### Arhivix

[App page](https://appshunter.io/ios/app/arhivix/id6686405015)

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

**In-app purchases:** none


## Frequently asked questions

### Is Supafil E free?

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

### Is Arhivix free?

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

### Do Supafil E or Arhivix have ads?

Neither Supafil E nor Arhivix shows ads.

### Which is updated more often, Supafil E or Arhivix?

Supafil E ships an update every 4 months, and Arhivix weekly. Most recently, Supafil E was updated on October 22, 2026 and Arhivix on October 5, 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.*