# Electrical Certificate App vs Spiralite Duct Sizer

The clearest difference is in-app purchases: Spiralite Duct Sizer at none against Electrical Certificate App's 2. Spiralite Duct Sizer also leads on iOS requirement (10.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Electrical Certificate App sells 2 in-app purchases, starting at $19.99 per month. Spiralite Duct Sizer asks for nothing beyond the download.

## The numbers

| Metric | Electrical Certificate App | Spiralite Duct Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 47 MB | 55 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trade Apps LTD](https://appshunter.io/developer/1293890969) | [Khansaheb Industries Owned By Khansaheb Investment One Person CO LLC](https://appshunter.io/developer/1638720745) |

## What reviewers say

### Electrical Certificate App

[App page](https://appshunter.io/ios/app/electrical-certificate-app/id1531731405)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $19.99 | per month |
| yearly Subscription | $199.99 | per year |


### Spiralite Duct Sizer

[App page](https://appshunter.io/ios/app/spiralite-duct-sizer/id1638720743)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Certificate App free?

Electrical Certificate App is free to download, with in-app purchases available.

### Is Spiralite Duct Sizer free?

Spiralite Duct Sizer is free to download, with no in-app purchases.

### Do Electrical Certificate App or Spiralite Duct Sizer have ads?

Neither Electrical Certificate App nor Spiralite Duct Sizer 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.*