# IsDBI Reader vs Bookov

The clearest difference is in-app purchases: IsDBI Reader at none against Bookov's 7. Bookov's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Bookov sells 7 one-off in-app purchases. IsDBI Reader asks for nothing beyond the download.

IsDBI Reader ships an update every 3 weeks, Bookov every 5 days. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | IsDBI Reader | Bookov |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isdbi-reader/id1567203321/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 40 MB | 105 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Ethmar Advertising Company](https://appshunter.io/developer/1255316278) | [Kirill Oleinichenko](https://appshunter.io/developer/1823419395) |

## What reviewers say

### IsDBI Reader

[App page](https://appshunter.io/ios/app/isdbi-reader/id1567203321)

Access and organize Islamic economics, banking, and finance publications. This reader allows you to sync purchases, collections, bookmarks, and notes across all your devices for a personalized reading experience.

**Highlights:** Access purchased books across devices, Organize books into personal collections, Sync bookmarks, highlights, and notes, Customizable reading experience, Access research publications

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

**In-app purchases:** none


### Bookov

[App page](https://appshunter.io/ios/app/bookov-book-reader-and-tbr/id6747921062)

This app allows you to import and read your own EPUB, FB2, and PDF books with customizable typography and themes. It also offers AI-powered summaries, quote saving, and a distraction-free reading experience, prioritizing user privacy and data ownership.

**Highlights:** Import EPUB, FB2, PDF files, Customizable reading experience, AI-powered book summaries, Save quotes and notes, Organize books into custom shelves, Privacy-focused, local data storage

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 AI Credits | $0.99 | one-time |
| 50 AI Credits | $2.99 | one-time |
| Supporter | $4.99 | one-time |
| 250 AI Credits | $9.99 | one-time |
| Believer | $19.99 | one-time |
| 1000 AI Credits | $29.99 | one-time |
| Evangelist | $49.99 | one-time |


## Frequently asked questions

### Is IsDBI Reader free?

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

### Is Bookov free?

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

### Do IsDBI Reader or Bookov have ads?

Neither IsDBI Reader nor Bookov shows ads.

### Which is updated more often, IsDBI Reader or Bookov?

IsDBI Reader ships an update every 3 weeks, and Bookov every 5 days. Most recently, IsDBI Reader was updated on October 20, 2026 and Bookov on October 8, 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.*