# IBM Aspera vs Sidus Audio

The clearest difference is rating: Sidus Audio at 4.4 against IBM Aspera's 3.7. Sidus Audio also leads on review sentiment (71% vs 33%). On price, ratings volume, update cadence and ads there is nothing between them.

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

Sidus Audio holds the better App Store score, 4.4 against 3.7. Both are backed by a comparable volume of ratings — 22 and 17 respectively. Written reviews point the same way: 33% of IBM Aspera's written reviews are positive against 71% of Sidus Audio's.

IBM Aspera ships an update every 2 months, Sidus Audio every 6 weeks. The most recent releases landed on September 30, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | IBM Aspera | Sidus Audio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (22 ratings)](https://appshunter.io/ios/app/ibm-aspera/id1612281171/reviews) | **[4.4 (17 ratings)](https://appshunter.io/ios/app/sidus-audio/id1617213662/reviews)** |
| Number of ratings | **22** | 17 |
| Positive reviews | 33.3% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 54 MB | 50 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [IBM](https://appshunter.io/developer/367353856) | [Sidus Link Ltd.](https://appshunter.io/developer/1546027954) |

## What reviewers say

### IBM Aspera

[App page](https://appshunter.io/ios/app/ibm-aspera/id1612281171)

Facilitates rapid file transfers to and from your IBM Aspera server. Link your server account to upload, download, and share files seamlessly from your mobile device, mirroring web browser capabilities.

**Highlights:** Fast FASP file transfers, Link server account, Upload, download, and share files, Mobile and web browser parity, Supports multiple IBM Aspera server types

**In-app purchases:** none


### Sidus Audio

[App page](https://appshunter.io/ios/app/sidus-audio/id1617213662)

This app allows professional audio engineers and sound enthusiasts to wirelessly connect and control multiple audio devices. It features an intelligent network for stable communication, centralized monitoring, and parameter presets, all accessible through a user-friendly interface.

**Highlights:** Intelligent audio network, Wireless device control, Centralized monitoring, Parameter presets, Cloud synchronization, Demo mode

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

**In-app purchases:** none


## Frequently asked questions

### Is IBM Aspera free?

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

### Is Sidus Audio free?

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

### Which has better reviews, IBM Aspera or Sidus Audio?

Sidus Audio is rated higher. IBM Aspera averages 3.7 out of 5 from 22 ratings, while Sidus Audio averages 4.4 from 17 ratings.

### Do IBM Aspera or Sidus Audio have ads?

Neither IBM Aspera nor Sidus Audio shows ads.

### Which is updated more often, IBM Aspera or Sidus Audio?

IBM Aspera ships an update every 2 months, and Sidus Audio every 6 weeks. Most recently, IBM Aspera was updated on September 30, 2026 and Sidus Audio on October 13, 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.*