# Readr vs Calibre 2

The clearest difference is iOS requirement: Calibre 2 at 15.0 against Readr's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Readr | Calibre 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/readr-ai-ebook-reader/id6789784856/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free | — |
| Size | 43 MB | 2 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Anusree Jayakrishnan](https://appshunter.io/developer/6789784858) | [Clarence Aubessard](https://appshunter.io/developer/1857781222) |

## What reviewers say

### Readr

[App page](https://appshunter.io/ios/app/readr-ai-ebook-reader/id6789784856)

This app allows you to read, listen to, and ask questions about your digital books. It provides AI-powered answers based on your reading progress and can generate drafts from your highlights. Enjoy a private reading experience with on-device text-to-speech.

**Highlights:** AI-powered Q&A about book content, On-device text-to-speech narration, Draft generation from highlights, Recap feature for reading progress, Supports EPUB, PDF, TXT, and Markdown, Privacy-focused with no tracking or account

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

**In-app purchases:** none


### Calibre 2

[App page](https://appshunter.io/ios/app/calibre-2/id6802086061)

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

**In-app purchases:** none


## Frequently asked questions

### Is Readr free?

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

### Is Calibre 2 free?

Calibre 2 is free to download, with no in-app purchases.

### Do Readr or Calibre 2 have ads?

Neither Readr nor Calibre 2 shows ads.

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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.*