# iGradient vs PAT Test Pro

The clearest difference is review sentiment: iGradient at 94% against PAT Test Pro's 0%. iGradient also leads on in-app purchases (none vs 6) and iOS requirement (9.3 vs 18.6). PAT Test Pro's advantage is price (Free vs $2.99) and update cadence (every 2 weeks vs every 6 months). On ads and device support there is nothing between them.

PAT Test Pro is free to download; iGradient costs $2.99 up front. PAT Test Pro sells 6 in-app purchases, starting at $24.99 per month. iGradient asks for nothing beyond the download.

iGradient ships an update every 6 months, PAT Test Pro every 2 weeks. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | iGradient | PAT Test Pro |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/igradient/id514399562/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | **93.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | **Free** | Subscription |
| Size | 10 MB | 115 MB |
| Requires iOS | **9.3** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Perre](https://appshunter.io/developer/514399565) | [iCertifi](https://appshunter.io/developer/490104127) |

## What reviewers say

### iGradient

[App page](https://appshunter.io/ios/app/igradient/id514399562)

This app uses your device's sensors to accurately measure any 2D angle. It intelligently detects orientation and provides readings in degrees, radians, or as a gradient. Ideal for various practical applications requiring precise angle measurements.

**Highlights:** Measures 2D angles, Intelligent orientation detection, Reads in degrees, radians, or gradient, Accurate to 1 degree, Switches between horizontal/vertical axis, Holds measurement, No calibration needed

**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 iGradient free?

iGradient costs $2.99, with no in-app purchases.

### Is PAT Test Pro free?

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

### Do iGradient or PAT Test Pro have ads?

Neither iGradient nor PAT Test Pro shows ads.

### Which is updated more often, iGradient or PAT Test Pro?

iGradient ships an update every 6 months, and PAT Test Pro every 2 weeks. Most recently, iGradient was updated on October 14, 2026 and PAT Test Pro 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.*