# Natural Syntax vs Epubgle reader

The clearest difference is review sentiment: Natural Syntax at 67% against Epubgle reader's 0%. Natural Syntax also leads on ads (none vs shown). Epubgle reader's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 12 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Natural Syntax sells 1 one-off in-app purchase. Epubgle reader asks for nothing beyond the download.

Natural Syntax ships an update every 12 months, Epubgle reader every 2 months. The most recent releases landed on June 1, 2026 and June 19, 2026 respectively.

## The numbers

| Metric | Natural Syntax | Epubgle reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/natural-syntax/id1380938002/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 11 MB | 20 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Jeremy Buchman](https://appshunter.io/developer/285758094) | [Contents Color CO.,LTD.](https://appshunter.io/developer/1367439766) |

## What reviewers say

### Natural Syntax

[App page](https://appshunter.io/ios/app/natural-syntax/id1380938002)

This app enhances reading comprehension by subtly styling text to highlight parts of speech, similar to syntax highlighting in programming. It offers a native ePub reader with full text search and a discovery service for public domain books. Users can customize styling and themes for an improved reading experience.

**Highlights:** Syntax highlighting for parts of speech, Native paginated ePub display, Full text search, Public domain book discovery, Customizable colors and styles, Multiple themes (Dark, Light, White)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Color Customization | $0.99 | one-time |


### Epubgle reader

[App page](https://appshunter.io/ios/app/epubgle-reader/id1490973018)

This app allows you to read EPUB ebooks on your iPhone, iPad, and Mac. It supports both reflowable and fixed-layout layouts, offering customizable text and page display options. Enjoy features like automatic saving of your last reading position and importing books from various sources.

**Highlights:** EPUB reflowable and fixed-layout support, Import EPUBs via Share menu or email, Customizable text size, line height, and margins, Automatic saving of last reading page, Audio playback and video support, Page turning and menu toggle buttons

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Natural Syntax free?

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

### Is Epubgle reader free?

Epubgle reader is free to download, with no in-app purchases.

### Do Natural Syntax or Epubgle reader have ads?

Epubgle reader shows ads; Natural Syntax does not.

### Which is updated more often, Natural Syntax or Epubgle reader?

Natural Syntax ships an update every 12 months, and Epubgle reader every 2 months. Most recently, Natural Syntax was updated on June 1, 2026 and Epubgle reader on June 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*