# Ebook Formats Converter vs Readest

The clearest difference is update cadence: Readest at fortnightly against Ebook Formats Converter's every 4 months. Readest also leads on chart position (#203 vs unranked). Ebook Formats Converter's advantage is iOS requirement (12.0 vs 16.4). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Ebook Formats Converter sells 3 in-app purchases, starting at $2.99 per month and Readest sells 9 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Ebook Formats Converter ships an update every 4 months, Readest fortnightly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Ebook Formats Converter | Readest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (197 ratings)](https://appshunter.io/ios/app/readest-ebook-reader/id6738622779/reviews)** |
| Number of ratings | — | **197** |
| Positive reviews | **91.7% of reviews** | 83.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#203** |
| Size | 52 MB | 58 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Meitian Trading](https://appshunter.io/developer/1549616114) | [Bilingify LLC](https://appshunter.io/developer/1781524090) |

## What reviewers say

### Ebook Formats Converter

[App page](https://appshunter.io/ios/app/ebook-formats-converter/id6446448731)

Easily convert ebooks between numerous formats like EPUB, MOBI, and PDF. Organize your library by editing metadata and access past conversions. Download or export files in batches with a user-friendly interface.

**Highlights:** Multiple ebook format conversion, Metadata editing, Conversion history, Batch download and export, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP月会员 | $2.99 | per month |
| VIP季会员 | $4.99 | per 3 months |
| VIP年会员 | $7.99 | per year |


### Readest

[App page](https://appshunter.io/ios/app/readest-ebook-reader/id6738622779)

**Currently charting:** #203 Top Free · Book (US App Store)

This app is a powerful ebook reader designed for deep thinkers and researchers. It offers advanced annotation tools, seamless device syncing, and robust library management with OPDS and Calibre support. Enjoy a distraction-free reading experience with customizable modes and multi-book viewing for enhanced study and analysis.

**Highlights:** OPDS Online Libraries, Calibre Integration, Sync Across Devices, Bookshelf Management, Customizable Reading Modes, Multi-Book View, Advanced Annotations & Highlights

**Features:** Family Sharing, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe to Plus Plan | $4.99 | per month |
| Subscribe to Pro Plan | $9.99 | per month |
| Subscribe to Plus Plan | $49.99 | per year |
| Subscribe to Pro Plan | $99.99 | per year |
| 1 GB | $9.99 | one-time |
| 2 GB | $14.99 | one-time |
| Full Customization | $19.99 | one-time |
| 5 GB | $29.99 | one-time |
| 10 GB | $49.99 | one-time |


## Frequently asked questions

### Is Ebook Formats Converter free?

Ebook Formats Converter is free to download, with in-app purchases available.

### Is Readest free?

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

### Do Ebook Formats Converter or Readest have ads?

Neither Ebook Formats Converter nor Readest shows ads.

### Which is updated more often, Ebook Formats Converter or Readest?

Ebook Formats Converter ships an update every 4 months, and Readest fortnightly. Most recently, Ebook Formats Converter was updated on November 3, 2026 and Readest on November 4, 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.*