# RFCReader Pro vs TeslaVision EMF Detector

The clearest difference is review sentiment: RFCReader Pro at 63% against TeslaVision EMF Detector's 33%. RFCReader Pro also leads on update cadence (every 3 months vs every 13 months) and price ($1.99 vs $4.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

RFCReader Pro costs $1.99 and TeslaVision EMF Detector $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RFCReader Pro ships an update every 3 months, TeslaVision EMF Detector every 13 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | RFCReader Pro | TeslaVision EMF Detector |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | — | **[4.4 (10 ratings)](https://appshunter.io/ios/app/teslavision-emf-detector/id6469668984/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | **62.5% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Paid | Paid |
| Size | 3 MB | 2 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [飞 龙](https://appshunter.io/developer/965611281) | [Michael Weber](https://appshunter.io/developer/349078052) |

## What reviewers say

### RFCReader Pro

[App page](https://appshunter.io/ios/app/rfcreader-pro/id1036461920)

Access and read technical internet standards documents efficiently. Features include keyword search, bookmarking, text styling, and offline reading. Supports PDF and HTML formats with navigation aids.

**Highlights:** List all RFC documents, Search RFC by keywords or number, Add RFC to favorites, Mark and style text, Offline RFC reading, Read RFC in PDF and HTML formats, Navigate via Table of Contents and thumbnails

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

**In-app purchases:** none


### TeslaVision EMF Detector

[App page](https://appshunter.io/ios/app/teslavision-emf-detector/id6469668984)

Detect, measure, and visualize ambient electromagnetic fields in real-time. This professional-grade tool offers detailed analysis, data export, and customizable settings for monitoring your electromagnetic environment.

**Highlights:** Real-time EMF measurement, 2D and 3D EMF visualization, Raw EMF data export, Customizable EMF calibration, Adjustable EMF sensitivity, Record and analyze EMF sessions

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RFCReader Pro free?

RFCReader Pro costs $1.99, with no in-app purchases.

### Is TeslaVision EMF Detector free?

TeslaVision EMF Detector costs $4.99, with no in-app purchases.

### Do RFCReader Pro or TeslaVision EMF Detector have ads?

Neither RFCReader Pro nor TeslaVision EMF Detector shows ads.

### Which is updated more often, RFCReader Pro or TeslaVision EMF Detector?

RFCReader Pro ships an update every 3 months, and TeslaVision EMF Detector every 13 months. Most recently, RFCReader Pro was updated on October 2, 2026 and TeslaVision EMF Detector on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*