# Open Reader vs RF Signal Detector

The clearest difference is price: RF Signal Detector at Free against Open Reader's $4.99. RF Signal Detector also leads on rating (4.2 vs 1.0) and ratings volume (104 vs 2). Open Reader's advantage is in-app purchases (none vs 4) and ads (none vs shown). On review sentiment there is nothing between them.

RF Signal Detector is free to download; Open Reader costs $4.99 up front. RF Signal Detector sells 4 in-app purchases, starting at $8.99 per 7 days. Open Reader asks for nothing beyond the download.

RF Signal Detector holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: RF Signal Detector has 104 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 17% of Open Reader's written reviews are positive against 11% of RF Signal Detector's, so the app with the better star average is not the one people write more warmly about.

Open Reader ships an update every 2 months, RF Signal Detector monthly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Open Reader | RF Signal Detector |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/open-reader/id418736078/reviews) | **[4.2 (104 ratings)](https://appshunter.io/ios/app/rf-signal-detector/id6757208480/reviews)** |
| Number of ratings | 2 | **104** |
| Positive reviews | **17.1% of reviews** | 11.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 36 MB | 60 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UMateY](https://appshunter.io/developer/327433577) | [NEURASYNC](https://appshunter.io/developer/1639101560) |

## What reviewers say

### Open Reader

[App page](https://appshunter.io/ios/app/open-reader/id418736078)

This app allows you to view a wide range of document formats, including Open Document files, PDFs, and Microsoft Office documents. It also functions as a robust document manager, enabling file downloads from various sources and cloud storage services.

**Highlights:** View ODT, ODS, ODP files, Download files from email and web, Manage files with folders and renaming, View PDF, Word, Excel, PowerPoint, Integrates with Google Drive, Dropbox, Box, Wireless file transfer

**Features:** macOS Compatibility

**In-app purchases:** none


### RF Signal Detector

[App page](https://appshunter.io/ios/app/rf-signal-detector/id6757208480)

This application offers real-time radio frequency signal detection and analysis. It monitors signal strength, analyzes frequency bands, and identifies interference sources. The tool provides historical data and network optimization insights for a better wireless experience.

**Highlights:** Real-time signal monitoring, Frequency band analysis (2.4 GHz & 5 GHz), Interference detection and categorization, Signal history tracking, Accurate dBm measurements, Network optimization insights

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RF Signal Detector Weekly Sub | $8.99 | per 7 days |
| RF Signal Detector Yearly Access | $35.99 | per year |
| RF Signal Detector Annual Access | $49.99 | per year |
| RF Signal Detector Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Open Reader free?

Open Reader costs $4.99, with no in-app purchases.

### Is RF Signal Detector free?

RF Signal Detector is free to download, with in-app purchases available.

### Which has better reviews, Open Reader or RF Signal Detector?

RF Signal Detector is rated higher. Open Reader averages 1.0 out of 5 from 2 ratings, while RF Signal Detector averages 4.2 from 104 ratings.

### Do Open Reader or RF Signal Detector have ads?

RF Signal Detector shows ads; Open Reader does not.

### Which is updated more often, Open Reader or RF Signal Detector?

Open Reader ships an update every 2 months, and RF Signal Detector monthly. Most recently, Open Reader was updated on October 23, 2026 and RF Signal Detector on October 25, 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.*