# Sónar vs RTMP Server Pro

The clearest difference is price: Sónar at Free against RTMP Server Pro's $9.99. Sónar also leads on update cadence (weekly vs every 2 months) and iOS requirement (15.0 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

Sónar is free to download; RTMP Server Pro costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sónar ships an update weekly, RTMP Server Pro every 2 months. Both last shipped on October 15, 2026.

## The numbers

| Metric | Sónar | RTMP Server Pro |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | — |
| Size | 112 MB | 31 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Advanced Music SL](https://appshunter.io/developer/626884349) | [KUO HAI CHEN](https://appshunter.io/developer/1846806140) |

## What reviewers say

### Sónar

[App page](https://appshunter.io/ios/app/sonar/id1378948981)

This app provides information about a pioneering cultural event known for its unique format and content. It combines avant-garde and experimental trends in dance and electronic music with a playful nature.

**Highlights:** Event information, Music curation, Avant-garde trends, Electronic music, Dance music, Art and technology

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

**In-app purchases:** none


### RTMP Server Pro

[App page](https://appshunter.io/ios/app/rtmp-server-pro/id6766919102)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sónar free?

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

### Is RTMP Server Pro free?

RTMP Server Pro costs $9.99, with no in-app purchases.

### Do Sónar or RTMP Server Pro have ads?

Neither Sónar nor RTMP Server Pro shows ads.

### Which is updated more often, Sónar or RTMP Server Pro?

Sónar ships an update weekly, and RTMP Server Pro every 2 months. Most recently, Sónar was updated on October 15, 2026 and RTMP Server Pro on October 15, 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.*