# Quad Notes vs MarkFlow

The clearest difference is in-app purchases: Quad Notes at none against MarkFlow's 3. MarkFlow's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.8.3). On price, update cadence and device support there is nothing between them.

Both are free to download. MarkFlow sells 3 in-app purchases, starting at $2.99 per month. Quad Notes asks for nothing beyond the download.

Quad Notes ships an update every 2 weeks, MarkFlow weekly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Quad Notes | MarkFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/markflowread-markdown-files/id6755079420/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 45 MB |
| Requires iOS | 15.8.3 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [望 余](https://appshunter.io/developer/1595522298) |

## What reviewers say

### Quad Notes

[App page](https://appshunter.io/ios/app/quad-notes/id6741947436)

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

**In-app purchases:** none


### MarkFlow

[App page](https://appshunter.io/ios/app/markflowread-markdown-files/id6755079420)

A clean and fast reader for Markdown files, offering a comfortable, book-like experience with customizable themes and adjustable text. Easily navigate, search, and share your documents, with developer-friendly features like syntax highlighting.

**Highlights:** Book-like reading layout, Multiple reading themes and dark mode, Adjustable text size, Table of contents generation, In-document search, Syntax highlighting for code blocks, Export to PDF

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $19.99 | per year |
| Lifetime Access | $12.99 | one-time |


## Frequently asked questions

### Is Quad Notes free?

Quad Notes is free to download, with no in-app purchases.

### Is MarkFlow free?

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

### Do Quad Notes or MarkFlow have ads?

Quad Notes shows ads; MarkFlow does not.

### Which is updated more often, Quad Notes or MarkFlow?

Quad Notes ships an update every 2 weeks, and MarkFlow weekly. Most recently, Quad Notes was updated on November 4, 2026 and MarkFlow on October 30, 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.*