# RFCReaderPlus vs Codeks Pass

The clearest difference is price: RFCReaderPlus at Free against Codeks Pass's $4.00. Codeks Pass's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

RFCReaderPlus is free to download; Codeks Pass costs $4.00 up front. RFCReaderPlus sells 1 one-off in-app purchase. Codeks Pass asks for nothing beyond the download.

RFCReaderPlus ships an update every 3 months, Codeks Pass every 5 months. The most recent releases landed on June 2, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | RFCReaderPlus | Codeks Pass |
| --- | --- | --- |
| Price | **Free** | $4.00 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 73 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [飞 龙](https://appshunter.io/developer/965611281) | [Jantar d.o.o.](https://appshunter.io/developer/1300467395) |

## What reviewers say

### RFCReaderPlus

[App page](https://appshunter.io/ios/app/rfcreaderplus/id1573574247)

Access and read technical internet standards documents offline. Features include searching, bookmarking, text formatting, and navigation aids for various document formats.

**Highlights:** 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

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

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


### Codeks Pass

[App page](https://appshunter.io/ios/app/codeks-pass/id1618228218)

**In-app purchases:** none


## Frequently asked questions

### Is RFCReaderPlus free?

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

### Is Codeks Pass free?

Codeks Pass costs $4.00, with no in-app purchases.

### Do RFCReaderPlus or Codeks Pass have ads?

Neither RFCReaderPlus nor Codeks Pass shows ads.

### Which is updated more often, RFCReaderPlus or Codeks Pass?

RFCReaderPlus ships an update every 3 months, and Codeks Pass every 5 months. Most recently, RFCReaderPlus was updated on June 2, 2026 and Codeks Pass on September 10, 2026.

---

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