# RFCReader Pro vs Chant Tools

The clearest difference is price: Chant Tools at Free against RFCReader Pro's $1.99. Chant Tools also leads on update cadence (every 3 weeks vs every 3 months). RFCReader Pro's advantage is review sentiment (63% vs 42%) and iOS requirement (11.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Chant Tools is free to download; RFCReader Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RFCReader Pro ships an update every 3 months, Chant Tools every 3 weeks. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RFCReader Pro | Chant Tools |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[3.9 (32 ratings)](https://appshunter.io/ios/app/chant-tools/id1225329409/reviews)** |
| Number of ratings | — | **32** |
| Positive reviews | **62.5% of reviews** | 41.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 3 MB | 38 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [飞 龙](https://appshunter.io/developer/965611281) | [Benjamin Bloomfield](https://appshunter.io/developer/1225329408) |

## What reviewers say

### RFCReader Pro

[App page](https://appshunter.io/ios/app/rfcreader-pro/id1036461920)

Access and read technical internet standards documents efficiently. Features include keyword search, bookmarking, text styling, and offline reading. Supports PDF and HTML formats with navigation aids.

**Highlights:** List all RFC documents, Search RFC by keywords or number, Add RFC to favorites, Mark and style text, Offline RFC reading, Read RFC in PDF and HTML formats, Navigate via Table of Contents and thumbnails

**Features:** macOS Compatibility

**In-app purchases:** none


### Chant Tools

[App page](https://appshunter.io/ios/app/chant-tools/id1225329409)

Access Gregorian Mass propers and ordinaries offline. This utility provides transcriptions from sources like Liber Usualis and GregoBase, with options to correct errors directly on the GregoBase platform.

**Highlights:** Offline Mass Propers, Gregorian Mass Ordinaries, Liber Usualis content, GregoBase transcriptions, Error correction via GregoBase

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

**In-app purchases:** none


## Frequently asked questions

### Is RFCReader Pro free?

RFCReader Pro costs $1.99, with no in-app purchases.

### Is Chant Tools free?

Chant Tools is free to download, with no in-app purchases.

### Do RFCReader Pro or Chant Tools have ads?

Neither RFCReader Pro nor Chant Tools shows ads.

### Which is updated more often, RFCReader Pro or Chant Tools?

RFCReader Pro ships an update every 3 months, and Chant Tools every 3 weeks. Most recently, RFCReader Pro was updated on June 1, 2026 and Chant Tools on September 9, 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.*