# O2 Knihovna vs TV program Blesk

The clearest difference is update cadence: O2 Knihovna at every 3 weeks against TV program Blesk's every 3 months. O2 Knihovna also leads on iOS requirement (15.0 vs 26.2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

O2 Knihovna ships an update every 3 weeks, TV program Blesk every 3 months. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | O2 Knihovna | TV program Blesk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/o2-knihovna/id580120391/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 27.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 43 MB | 25 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [O2 Czech Republic a.s.](https://appshunter.io/developer/311143795) | [CZECH NEWS CENTER a.s.](https://appshunter.io/developer/414639329) |

## What reviewers say

### O2 Knihovna

[App page](https://appshunter.io/ios/app/o2-knihovna/id580120391)

Easily order and set welcome melodies, read magazines and newspapers, and listen to audiobooks. Manage various services within this comprehensive library app. It's designed for all users, not just mobile customers.

**Highlights:** Order and set welcome melodies, Assign melodies to contacts, Create melody groups, Set melodies by time, Read magazines and newspapers, Listen to audiobooks, Manage O2 services

**Features:** Vision Pro support

**In-app purchases:** none


### TV program Blesk

[App page](https://appshunter.io/ios/app/tv-program-blesk/id982197677)

Access a comprehensive TV guide for over 120 Czech, Slovak, and international channels. Discuss shows live, rate programs, and plan your viewing up to 10 days ahead. Never miss your favorite content with reminders and advanced search.

**Highlights:** TV program for 120+ channels, Live discussion and ratings, 10-day future program, Yesterday's program, Reminders and search, Custom channel sorting, List and grid views

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

**In-app purchases:** none


## Frequently asked questions

### Is O2 Knihovna free?

O2 Knihovna is free to download, with no in-app purchases.

### Is TV program Blesk free?

TV program Blesk is free to download, with no in-app purchases.

### Do O2 Knihovna or TV program Blesk have ads?

Neither O2 Knihovna nor TV program Blesk shows ads.

### Which is updated more often, O2 Knihovna or TV program Blesk?

O2 Knihovna ships an update every 3 weeks, and TV program Blesk every 3 months. Most recently, O2 Knihovna was updated on September 10, 2026 and TV program Blesk on September 19, 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.*