# iris GO vs RTS Zvuk

The clearest difference is rating: RTS Zvuk at 4.0 against iris GO's 1.8. RTS Zvuk also leads on update cadence (every 5 days vs every 2 months). iris GO's advantage is ratings volume (67 vs 3). 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.

RTS Zvuk holds the better App Store score, 4.0 against 1.8. That said, the two scores are not equally well evidenced: iris GO has 67 ratings behind it against 3, so its average is the more settled of the two.

iris GO ships an update every 2 months, RTS Zvuk every 5 days. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | iris GO | RTS Zvuk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (67 ratings)](https://appshunter.io/ios/app/iris-go/id959960554/reviews) | **[4.0 (3 ratings)](https://appshunter.io/ios/app/rts-zvuk/id6467183649/reviews)** |
| Number of ratings | **67** | 3 |
| Positive reviews | 10.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 19 MB | 26 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Telekom Srbija](https://appshunter.io/developer/669217086) | [Radio Televizija Srbije](https://appshunter.io/developer/1292362684) |

## What reviewers say

### iris GO

[App page](https://appshunter.io/ios/app/iris-go/id959960554)

Stream live TV channels and on-demand content from a video club on your phone, tablet, or computer. Enjoy features like catch-up TV, pausing live broadcasts, and personalized profiles for the whole family.

**Highlights:** Live TV streaming, Video club content, Catch-up TV (Watch backwards), Pause live TV, Program guide, Personalized profiles

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

**In-app purchases:** none

**What reviewers like**

- ⚡ Fast streaming performance
- 🎬 Good video and audio quality
- 📱 Works well on some iPad models
- 🎯 Simple and intuitive interface

**What reviewers complain about**

- 🐛 Constant streaming failures and playback errors
- 📱 Broken on iPhone and iOS 14+ devices
- 🌐 Only works on MTS internet network
- ⏳ Infinite loading and buffering issues
- 🔐 Login and authentication problems

**Reported bugs**

- Playback Failed error messages
- Error code x2000 io unspecified
- Error code 107809 on iOS devices
- Stream never starts despite channel selection
- Black screen on all channels

**Requested features**

- Apple TV app support
- iPad Pro update and compatibility
- Chromecast support
- Wireless connection to smart TVs
- AirPlay functionality fix


### RTS Zvuk

[App page](https://appshunter.io/ios/app/rts-zvuk/id6467183649)

Access a vast library of audio content from Radio Belgrade and RTS Music Production. Enjoy live streams, on-demand shows, and music across various genres and categories, including documentaries, dramas, and children's programs.

**Highlights:** Live radio streams, On-demand show listening, Thematic content categories, RTS music production archives, PGP RTS album releases, Music by genre

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

**In-app purchases:** none


## Frequently asked questions

### Is iris GO free?

iris GO is free to download, with no in-app purchases.

### Is RTS Zvuk free?

RTS Zvuk is free to download, with no in-app purchases.

### Which has better reviews, iris GO or RTS Zvuk?

RTS Zvuk is rated higher. iris GO averages 1.8 out of 5 from 67 ratings, while RTS Zvuk averages 4.0 from 3 ratings.

### Do iris GO or RTS Zvuk have ads?

Neither iris GO nor RTS Zvuk shows ads.

### Which is updated more often, iris GO or RTS Zvuk?

iris GO ships an update every 2 months, and RTS Zvuk every 5 days. Most recently, iris GO was updated on October 20, 2026 and RTS Zvuk on October 9, 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.*