# Readest vs Dynbooks

The clearest difference is in-app purchases: Dynbooks at none against Readest's 9. Readest's advantage is chart position (#210 vs unranked). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Readest sells 9 in-app purchases, starting at $4.99 per month. Dynbooks asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Readest | Dynbooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (195 ratings)](https://appshunter.io/ios/app/readest-ebook-reader/id6738622779/reviews)** | — |
| Number of ratings | **195** | — |
| Positive reviews | 84.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#210** | — |
| Size | 58 MB | 58 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Bilingify LLC](https://appshunter.io/developer/1781524090) | [Paulo Henrique](https://appshunter.io/developer/1852401908) |

## What reviewers say

### Readest

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

**Currently charting:** #210 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 |


### Dynbooks

[App page](https://appshunter.io/ios/app/dynbooks/id6755168641)

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

**In-app purchases:** none


## Frequently asked questions

### Is Readest free?

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

### Is Dynbooks free?

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

### Do Readest or Dynbooks have ads?

Neither Readest nor Dynbooks shows ads.

### Which is updated more often, Readest or Dynbooks?

Readest ships an update fortnightly, and Dynbooks fortnightly. Most recently, Readest was updated on October 25, 2026 and Dynbooks on October 5, 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.*