# Readest vs ReadAI Smart

The clearest difference is device support: Readest at 3 against ReadAI Smart's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Readest sells 8 in-app purchases, starting at $4.99 per month and ReadAI Smart sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 30, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Readest | ReadAI Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (178 ratings)](https://appshunter.io/ios/app/readest-ebook-reader/id6738622779/reviews)** | — |
| Number of ratings | **178** | — |
| Positive reviews | 83.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 55 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bilingify LLC](https://appshunter.io/developer/1781524090) | [Vladislav Condratiev](https://appshunter.io/developer/1884070455) |

## What reviewers say

### Readest

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

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 (8)**

| 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 |
| 5 GB | $29.99 | one-time |
| 10 GB | $49.99 | one-time |


### ReadAI Smart

[App page](https://appshunter.io/ios/app/readai-smart/id6761624062)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Base Monthly | $6.99 | per month |
| Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Readest free?

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

### Is ReadAI Smart free?

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

### Do Readest or ReadAI Smart have ads?

Neither Readest nor ReadAI Smart shows ads.

### Which is updated more often, Readest or ReadAI Smart?

Readest ships an update fortnightly, and ReadAI Smart fortnightly. Most recently, Readest was updated on September 30, 2026 and ReadAI Smart on September 13, 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.*