# Bookster vs ATReader Pro

The clearest difference is price: ATReader Pro at Free against Bookster's $4.99. ATReader Pro also leads on update cadence (monthly vs every 7 months). Bookster's advantage is in-app purchases (none vs 2) and review sentiment (41% vs 29%). On ads and device support there is nothing between them.

ATReader Pro is free to download; Bookster costs $4.99 up front. ATReader Pro sells 2 in-app purchases, starting at $0.99 per month. Bookster asks for nothing beyond the download.

Bookster ships an update every 7 months, ATReader Pro monthly. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Bookster | ATReader Pro |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | **40.7% of reviews** | 28.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | **Paid** | Subscription |
| Size | 0 MB | 95 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nikolay Denislamov](https://appshunter.io/developer/505796639) | [Anatoliy Vyzhletsov](https://appshunter.io/developer/1722771558) |

## What reviewers say

### Bookster

[App page](https://appshunter.io/ios/app/bookster/id1081737097)

Easily convert FB2 and TXT e-books into the ePub format, compatible with the native iOS Books app. This tool bridges the gap, allowing you to read your favorite books on any iOS device.

**Highlights:** Convert FB2 to ePub, Convert TXT to ePub, Import books via Files app, Import books via iTunes, Supports ZIP archives, Direct export to iOS Books app

**Features:** macOS Compatibility

**In-app purchases:** none


### ATReader Pro

[App page](https://appshunter.io/ios/app/atreader-pro/id6746457868)

Access and enjoy a vast library of books and audiobooks from Author.Today. Features include offline reading, smart playback, customizable reading settings, and seamless integration with the Author.Today website. Offers a free trial period before requiring a subscription.

**Highlights:** Offline book access, CarPlay audiobook support, Smart audiobook player, Customizable reading settings, Personal book collections, Import from Author.Today library, Reading progress tracking

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Suscription | $9.99 | per year |


## Frequently asked questions

### Is Bookster free?

Bookster costs $4.99, with no in-app purchases.

### Is ATReader Pro free?

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

### Do Bookster or ATReader Pro have ads?

Neither Bookster nor ATReader Pro shows ads.

### Which is updated more often, Bookster or ATReader Pro?

Bookster ships an update every 7 months, and ATReader Pro monthly. Most recently, Bookster was updated on September 22, 2026 and ATReader Pro on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*