# Spiralite Duct Sizer vs PAT Test Pro

The clearest difference is in-app purchases: Spiralite Duct Sizer at none against PAT Test Pro's 6. Spiralite Duct Sizer also leads on iOS requirement (10.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. PAT Test Pro sells 6 in-app purchases, starting at $24.99 per month. Spiralite Duct Sizer asks for nothing beyond the download.

## The numbers

| Metric | Spiralite Duct Sizer | PAT Test Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Subscription |
| Size | 55 MB | 115 MB |
| Requires iOS | **10.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Khansaheb Industries Owned By Khansaheb Investment One Person CO LLC](https://appshunter.io/developer/1638720745) | [iCertifi](https://appshunter.io/developer/490104127) |

## What reviewers say

### Spiralite Duct Sizer

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

**Features:** macOS Compatibility

**In-app purchases:** none


### PAT Test Pro

[App page](https://appshunter.io/ios/app/pat-test-pro/id6746668717)

Streamline portable appliance testing with intelligent cloud sync and advanced barcode scanning. Generate professional, compliant certificates instantly for your clients. Designed for electrical contractors seeking efficiency and mobility.

**Highlights:** Seamless cloud sync across Apple devices, Advanced barcode scanning for auto-fill, Unlimited appliance and certificate testing, Instant, professional, compliant certification, Customizable certificate colors and company branding, Built-in database of common appliances

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $24.99 | per month |
| PAT Test Pro | $119.99 | per year |
| PAT Test Pro | $349.00 | per year |
| 50 AI | $4.99 | one-time |
| 250 Appliance Scan credits | $19.99 | one-time |
| 1000 AI Credits | $39.99 | one-time |


## Frequently asked questions

### Is Spiralite Duct Sizer free?

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

### Is PAT Test Pro free?

PAT Test Pro is free to download, with in-app purchases available.

### Do Spiralite Duct Sizer or PAT Test Pro have ads?

Neither Spiralite Duct Sizer nor PAT Test 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.*