# RFCReaderPlus vs Avaris One

The clearest difference is in-app purchases: Avaris One at none against RFCReaderPlus's 1. Avaris One also leads on update cadence (every 2 days vs every 3 months). RFCReaderPlus's advantage is iOS requirement (11.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. RFCReaderPlus sells 1 one-off in-app purchase. Avaris One asks for nothing beyond the download.

RFCReaderPlus ships an update every 3 months, Avaris One every 2 days. The most recent releases landed on June 2, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | RFCReaderPlus | Avaris One |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 8 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [飞 龙](https://appshunter.io/developer/965611281) | [Jan Gerster](https://appshunter.io/developer/1479693781) |

## 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 |


### Avaris One

[App page](https://appshunter.io/ios/app/avaris-one/id6754612131)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RFCReaderPlus free?

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

### Is Avaris One free?

Avaris One is free to download, with no in-app purchases.

### Do RFCReaderPlus or Avaris One have ads?

Neither RFCReaderPlus nor Avaris One shows ads.

### Which is updated more often, RFCReaderPlus or Avaris One?

RFCReaderPlus ships an update every 3 months, and Avaris One every 2 days. Most recently, RFCReaderPlus was updated on June 2, 2026 and Avaris One on September 10, 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.*