# RF Pro vs NuGrade

The clearest difference is in-app purchases: RF Pro at none against NuGrade's 3. NuGrade's advantage is update cadence (every 8 days vs every 7 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. NuGrade sells 3 one-off in-app purchases. RF Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for RF Pro against 5.0 for NuGrade. Both are backed by a comparable volume of ratings — 5 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

RF Pro ships an update every 7 months, NuGrade every 8 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | RF Pro | NuGrade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/rf-pro-faraday-bag-tester/id6744664740/reviews) | [5.0 (9 ratings)](https://appshunter.io/ios/app/nugrade-comic-book-grading/id6790263396/reviews) |
| Number of ratings | 5 | **9** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 51 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OffGrid](https://appshunter.io/developer/1808780483) | [Daymark Labs](https://appshunter.io/developer/6790263398) |

## What reviewers say

### RF Pro

[App page](https://appshunter.io/ios/app/rf-pro-faraday-bag-tester/id6744664740)

This utility app verifies the effectiveness of Faraday bags by detecting signal leaks from your device. It helps ensure your device is isolated from external communication networks for privacy, security, or forensic purposes.

**Highlights:** Comprehensive signal testing (WiFi, Cellular, GPS, Bluetooth), Real-time signal strength analysis, Clear visual indicators and graphs, Step-by-step testing guidance, Quick retest function

**Features:** macOS Compatibility

**In-app purchases:** none


### NuGrade

[App page](https://appshunter.io/ios/app/nugrade-comic-book-grading/id6790263396)

This app assists comic collectors in evaluating the condition of their raw books. It uses guided photos and videos to generate an AI-assisted condition report with a 10-point grade estimate and supporting evidence.

**Highlights:** AI-assisted condition reports, 10-point grade estimate, Area-by-area observations, Defect citations with evidence, Shareable report URL and PDF, Report history saved to account

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single | $5.00 | one-time |
| Collector | $20.00 | one-time |
| Dealer | $70.00 | one-time |


## Frequently asked questions

### Is RF Pro free?

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

### Is NuGrade free?

NuGrade is free to download, with in-app purchases available.

### Which has better reviews, RF Pro or NuGrade?

RF Pro and NuGrade are both rated 5.0 out of 5 on the App Store, from 5 and 9 ratings respectively.

### Do RF Pro or NuGrade have ads?

Neither RF Pro nor NuGrade shows ads.

### Which is updated more often, RF Pro or NuGrade?

RF Pro ships an update every 7 months, and NuGrade every 8 days. Most recently, RF Pro was updated on October 24, 2026 and NuGrade on October 28, 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.*