# O2 Knihovna vs SledovaniTV

The clearest difference is rating: O2 Knihovna at 5.0 against SledovaniTV's 3.4. O2 Knihovna also leads on in-app purchases (none vs 2). SledovaniTV's advantage is ratings volume (7 vs 2). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. SledovaniTV sells 2 in-app purchases, starting at $2.99 per month. O2 Knihovna asks for nothing beyond the download.

O2 Knihovna holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 2 and 7 respectively.

O2 Knihovna ships an update every 3 weeks, SledovaniTV monthly. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | O2 Knihovna | SledovaniTV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/o2-knihovna/id580120391/reviews)** | [3.4 (7 ratings)](https://appshunter.io/ios/app/sledovanitv/id878174026/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 43 MB | 71 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple TV |
| Age rating | 12+ | 12+ |
| Developer | [O2 Czech Republic a.s.](https://appshunter.io/developer/311143795) | [sledovanitv.cz s.r.o.](https://appshunter.io/developer/878174029) |

## What reviewers say

### O2 Knihovna

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

Manage your O2 services, including custom ringtones, digital magazines, newspapers, and audiobooks. Assign unique ringtones to contacts, schedule them by time, and enjoy a wide selection of reading and listening content.

**Highlights:** Order and set welcome melodies, Assign unique ringtones to contacts, Schedule melodies by time, Read magazines and newspapers, Listen to audiobooks, Manage O2 services

**Features:** Vision Pro support

**In-app purchases:** none


### SledovaniTV

[App page](https://appshunter.io/ios/app/sledovanitv/id878174026)

Stream your favorite TV shows and channels over the internet on various Apple devices. Enjoy modern features like catch-up, start-over, timeshift, and personal recordings in Full HD and 4K quality.

**Highlights:** Over 180 TV channels, Full HD and 4K quality, Timeshift up to 30 days, Personal recordings, Content recommendation, Apple TV, iPad, iPhone support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300 hours of recordings | $2.99 | per month |
| 600 hours of recordings | $3.99 | per month |


## Frequently asked questions

### Is O2 Knihovna free?

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

### Is SledovaniTV free?

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

### Which has better reviews, O2 Knihovna or SledovaniTV?

O2 Knihovna is rated higher. O2 Knihovna averages 5.0 out of 5 from 2 ratings, while SledovaniTV averages 3.4 from 7 ratings.

### Do O2 Knihovna or SledovaniTV have ads?

Neither O2 Knihovna nor SledovaniTV shows ads.

### Which is updated more often, O2 Knihovna or SledovaniTV?

O2 Knihovna ships an update every 3 weeks, and SledovaniTV monthly. Most recently, O2 Knihovna was updated on November 6, 2026 and SledovaniTV on November 1, 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.*