# RFCReaderPlus — Support Text/PDF/HTML RFC read

> Offline reader for technical internet RFC documents with search and formatting. (iPhone/iPad app by 飞 龙.)

- Source: https://appshunter.io/ios/app/rfcreaderplus/id1573574247 (this page in markdown: same URL + `.md`)
- Developer: [飞 龙](https://appshunter.io/developer/965611281)
- Category: Utilities, Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 11.0 · 3 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2021-06-27
- Data updated: 2026-06-02
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/rfcreaderplus/id1573574247/reviews.md

## What is RFCReaderPlus?

Requests for Comments (RFC) document series contain technical and organizational notes about the Internet. RFC Reader plus is a tool which can provide user a more efficient way to read the RFC documents. 

Difference between trial version and full functional version:

Features for RFC Reader plus trial version and full functional version are almost the same, except that some advance feature in trial version can be used with limitation. 

All features below are available for try with limited times with trial version and are fully supported by full functional version if user purchased the product in the app.
1. List all RFC documents

2. Search RFC File by Keywords or RFC number

3. Add to favorite for the interested RFC

4. Support marking text with color when reading in text format

5. Support adding  Bold, Itatic and Underline styles to RFC text when reading in text format

6. Support changing default Font name and Font size for RFC text reading

7. Support fast navigating to last reading position and can go back and forward several times

8. Support fast navigating with Table Of Contents (TOC)

9. Offline RFC reading: Once you read it once, it will be cached locally 
 
10. Save your changes to the document in Document folder

11.Support both Landscape and Portrait reading mode on all supported devices.

12. Support cleaning up cached files

13. Support search by keywords in Text format RFC page and navigate to the found results

14. Support read RFC in PDF format

15. Support searching RFC content when reading in PDF format

16. Support navigate RFC content through Table Of Content when reading in PDF format

17. Support navigate RFC content through PDF thumbnail 

18. Support view RFC content in thumbnail grid view 

19. Support read RFC in HTML format 

20. Support navigate back and forth when reading in HTML format

21.Support navigate through Table Of Content when reading in HTML format for some RFCs 

22. Support add to favorite RFC list when reading both in PDF format and HTML format

## Key features

- List all RFC documents
- Search RFC by keywords or number
- Add RFCs to favorites
- Text formatting and styling
- Offline RFC reading
- Support for PDF and HTML formats

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Full Functional Version | $1.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/rfcreaderplus/id1573574247/reviews.md

### 5/5 — Nice rfc reader

*2021-09-10*

Wow, great software!

**Developer response:** Thank you very much for your comments

## Frequently asked questions about RFCReaderPlus

### What is RFCReaderPlus?

RFCReaderPlus is a utility app designed to help users efficiently read and manage Requests for Comments (RFC) documents, which are technical and organizational notes about the Internet.

### Can I read RFC documents offline with RFCReaderPlus?

Yes, RFCReaderPlus supports offline RFC reading. Once a document is read, it will be cached locally for future access without an internet connection.

### What document formats does RFCReaderPlus support?

RFCReaderPlus supports reading RFC documents in Text, PDF, and HTML formats, offering various navigation and viewing options for each.

### Does RFCReaderPlus have ads?

No, RFCReaderPlus does not contain advertisements, providing an uninterrupted reading experience for users.

### How can I search for specific RFCs in RFCReaderPlus?

You can search for RFC files by keywords or their specific RFC number directly within the app. It also supports searching within the text of RFC pages.

### What customization options are available for text reading in RFCReaderPlus?

RFCReaderPlus allows users to mark text with color, apply bold, italic, and underline styles, and change the default font name and size for RFC text reading.

### Is RFCReaderPlus available on all Apple devices?

RFCReaderPlus is supported on iPhone, iPad, and iPod devices, offering a consistent experience across the Apple ecosystem.

### How often is RFCReaderPlus updated?

The app was last updated on November 2, 2025, indicating recent development and support from the developer.

## Version history (last 5 releases)

### 1.6.0 — 2025-11-02

1. Support iOS26
2. Support RFC up to 9890

### 1.5.0 — 2025-02-16

1. Refresh RFC database to support up to RFC9735
2. Support the latest iOS 18

### 1.4.1 — 2024-01-17

1. Refresh RFC database to support up to RFC9552
2. Support the latest iOS version 17.2

### 1.4.0 — 2023-10-05

1. Update RFC database to support up to RFC9486
2. Support iOS17

### 1.3.0 — 2023-04-16

1. Update RFC Database to support up to RFC9411
2. Fix UI issue on iOS16

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## More apps by 飞 龙

- [RFCReader Pro](https://appshunter.io/ios/app/rfcreader-pro/id1036461920)
- [CodeInsight](https://appshunter.io/ios/app/codeinsight/id1552511524)

All apps by 飞 龙: https://appshunter.io/developer/965611281

## Related topics

[rfcreaderplus](https://appshunter.io/ios/topics/rfcreaderplus)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-02.*