# Readingo vs Mythos

The clearest difference is rating: Readingo at 4.8 against Mythos's 4.2. Readingo also leads on ratings volume (113 vs 6). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Readingo sells 1 one-off in-app purchase and Mythos sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Readingo holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Readingo has 113 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 93% of Readingo's written reviews are positive against 86% of Mythos's.

Readingo ships an update weekly, Mythos every 2 weeks. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Readingo | Mythos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (113 ratings)](https://appshunter.io/ios/app/readingo/id6502330235/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/mythos-ai-book-reader/id6747149143/reviews) |
| Number of ratings | **113** | 6 |
| Positive reviews | **92.5% of reviews** | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 51 MB | 77 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Idee Technology Co., Ltd.](https://appshunter.io/developer/1447935998) | [Sami Ibrahim](https://appshunter.io/developer/1820074094) |

## What reviewers say

### Readingo

[App page](https://appshunter.io/ios/app/readingo/id6502330235)

This app is a versatile reader supporting numerous file formats including TXT, EPUB, MOBI, and PDF. It offers extensive customization for reading themes, fonts, and bookshelf styles, along with advanced features like highlighting, notes, and audiobook support.

**Highlights:** Supports TXT, EPUB, MOBI, PDF, and more, Opens compressed files (RAR, ZIP), Comprehensive category management, Extensive formatting and page-turning options, 24 built-in reading themes, Highlighting and notes, Audiobook support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reading Pro | $9.99 | one-time |


### Mythos

[App page](https://appshunter.io/ios/app/mythos-ai-book-reader/id6747149143)

This intelligent reader uses AI to transform books into interactive experiences. Highlight any text for instant summaries, explanations, or contextual insights, enhancing comprehension and engagement with your reading material. Supports EPUB and PDF formats for a personalized learning journey.

**Highlights:** AI-powered reading assistance, Contextual text explanations, Distraction-free interface, EPUB and PDF support, Personalized learning insights

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mythos Premium | $9.99 | per month |
| Mythos Premium Annual | $99.99 | per year |


## Frequently asked questions

### Is Readingo free?

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

### Is Mythos free?

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

### Which has better reviews, Readingo or Mythos?

Readingo is rated higher. Readingo averages 4.8 out of 5 from 113 ratings, while Mythos averages 4.2 from 6 ratings.

### Do Readingo or Mythos have ads?

Neither Readingo nor Mythos shows ads.

### Which is updated more often, Readingo or Mythos?

Readingo ships an update weekly, and Mythos every 2 weeks. Most recently, Readingo was updated on September 23, 2026 and Mythos on September 21, 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.*