# RFCReaderPlus vs JNB School Bus

The clearest difference is in-app purchases: JNB School Bus at none against RFCReaderPlus's 1. JNB School Bus also leads on update cadence (every 5 days vs every 3 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

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

RFCReaderPlus ships an update every 3 months, JNB School Bus every 5 days. The most recent releases landed on September 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | RFCReaderPlus | JNB School Bus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 57 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [飞 龙](https://appshunter.io/developer/965611281) | [1tpt.com](https://appshunter.io/developer/1699053408) |

## 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, Vision Pro support

**In-app purchases (1)**

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


### JNB School Bus

[App page](https://appshunter.io/ios/app/jnb-school-bus/id6752850284)

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

**In-app purchases:** none


## Frequently asked questions

### Is RFCReaderPlus free?

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

### Is JNB School Bus free?

JNB School Bus is free to download, with no in-app purchases.

### Do RFCReaderPlus or JNB School Bus have ads?

Neither RFCReaderPlus nor JNB School Bus shows ads.

### Which is updated more often, RFCReaderPlus or JNB School Bus?

RFCReaderPlus ships an update every 3 months, and JNB School Bus every 5 days. Most recently, RFCReaderPlus was updated on September 29, 2026 and JNB School Bus on October 11, 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.*