# RFCReaderPlus vs Micro Clock

The clearest difference is update cadence: Micro Clock at every 9 days against RFCReaderPlus's every 3 months. RFCReaderPlus's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. RFCReaderPlus sells 1 one-off in-app purchase and Micro Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

RFCReaderPlus ships an update every 3 months, Micro Clock every 9 days. The most recent releases landed on June 2, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | RFCReaderPlus | Micro Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 6 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [飞 龙](https://appshunter.io/developer/965611281) | [俊贤 黄](https://appshunter.io/developer/1889807845) |

## 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 |


### Micro Clock

[App page](https://appshunter.io/ios/app/micro-clock-floating-timer/id6762129008)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Micro Clock Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is RFCReaderPlus free?

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

### Is Micro Clock free?

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

### Do RFCReaderPlus or Micro Clock have ads?

Neither RFCReaderPlus nor Micro Clock shows ads.

### Which is updated more often, RFCReaderPlus or Micro Clock?

RFCReaderPlus ships an update every 3 months, and Micro Clock every 9 days. Most recently, RFCReaderPlus was updated on June 2, 2026 and Micro Clock on September 7, 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.*