# Bukvar.bg vs Cortx

The clearest difference is ads: Bukvar.bg at none against Cortx's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Bukvar.bg sells 5 one-off in-app purchases and Cortx sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Bukvar.bg ships an update every 2 weeks, Cortx fortnightly. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Bukvar.bg | Cortx |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free | — |
| Size | 47 MB | 71 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Yordan Nikolov](https://appshunter.io/developer/1440474394) | [Lawyyar](https://appshunter.io/developer/1793895411) |

## What reviewers say

### Bukvar.bg

[App page](https://appshunter.io/ios/app/bukvarbg/id6478162606)

This platform offers a vast library of educational documents, interactive tests, and exam preparation materials. It features an AI assistant to generate study plans, quizzes, and presentations, connecting students and teachers.

**Highlights:** Extensive document library, Interactive tests and quizzes, Exam and matura preparation, AI assistant for study plans, Teacher profiles and student connection, Document-based Q&A

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $1.99 | one-time |
| Starter | $3.99 | one-time |
| Monthly | $5.99 | one-time |
| Subscription 100 days | $5.99 | one-time |
| Yearly | $49.99 | one-time |


### Cortx

[App page](https://appshunter.io/ios/app/cortx/id6761021149)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cortx Pro | $0.99 | per month |
| Cortx Elite | $4.99 | per year |


## Frequently asked questions

### Is Bukvar.bg free?

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

### Is Cortx free?

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

### Do Bukvar.bg or Cortx have ads?

Cortx shows ads; Bukvar.bg does not.

### Which is updated more often, Bukvar.bg or Cortx?

Bukvar.bg ships an update every 2 weeks, and Cortx fortnightly. Most recently, Bukvar.bg was updated on October 7, 2026 and Cortx on October 16, 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.*