# Readarium vs Marginalia E

The clearest difference is update cadence: Readarium at every 3 days against Marginalia E's every 8 days. Marginalia E's advantage is iOS requirement (15.5 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Readarium sells 1 one-off in-app purchase and Marginalia E sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Readarium ships an update every 3 days, Marginalia E every 8 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Readarium | Marginalia E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/marginalia-e-book-reader/id6786065821/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | — | Freemium |
| Size | 11 MB | 42 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Emmanuel BORGES](https://appshunter.io/developer/387338144) | [FURKAN TURGUT](https://appshunter.io/developer/6786065823) |

## What reviewers say

### Readarium

[App page](https://appshunter.io/ios/app/readarium-read-it-later/id6779994178)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Offer a Coffee | $0.99 | one-time |


### Marginalia E

[App page](https://appshunter.io/ios/app/marginalia-e-book-reader/id6786065821)

Transform passive reading into active learning with this app. It functions as an EPUB and PDF reader with powerful note-taking and annotation tools, all stored locally for maximum privacy. Export your notes in Markdown format for seamless integration with other productivity tools.

**Highlights:** Personal EPUB and PDF library, Keyboard and stylus annotation, Multi-color highlighting, Smart book navigation, Customizable reading experience, Offline-first and privacy-focused, Markdown note exporting

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Marginalia Pro - Monthly | $1.99 | per month |
| Marginalia Pro - Yearly | $6.99 | per year |
| Marginalia Pro Life Time | $9.99 | one-time |


## Frequently asked questions

### Is Readarium free?

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

### Is Marginalia E free?

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

### Do Readarium or Marginalia E have ads?

Neither Readarium nor Marginalia E shows ads.

### Which is updated more often, Readarium or Marginalia E?

Readarium ships an update every 3 days, and Marginalia E every 8 days. Most recently, Readarium was updated on October 5, 2026 and Marginalia E on October 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.*