# AJA DataCalc vs Sidus Audio

The clearest difference is rating: Sidus Audio at 4.4 against AJA DataCalc's 3.8. Sidus Audio also leads on update cadence (every 6 weeks vs every 4 months). AJA DataCalc's advantage is iOS requirement (9.0.0 vs 15.0). On price, review sentiment, ratings volume 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 3.8. Both are backed by a comparable volume of ratings — 11 and 17 respectively. Written reviews point the same way: 70% of AJA DataCalc's written reviews are positive against 71% of Sidus Audio's.

AJA DataCalc ships an update every 4 months, Sidus Audio every 6 weeks. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | AJA DataCalc | Sidus Audio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (11 ratings)](https://appshunter.io/ios/app/aja-datacalc/id343454572/reviews) | **[4.4 (17 ratings)](https://appshunter.io/ios/app/sidus-audio/id1617213662/reviews)** |
| Number of ratings | 11 | **17** |
| Positive reviews | 70.4% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 50 MB |
| Requires iOS | **9.0.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AJA Video Systems](https://appshunter.io/developer/343454575) | [Sidus Link Ltd.](https://appshunter.io/developer/1546027954) |

## What reviewers say

### AJA DataCalc

[App page](https://appshunter.io/ios/app/aja-datacalc/id343454572)

Calculate storage needs for professional video and audio projects. Supports numerous industry formats, codecs, and resolutions from HD to 8K. Easily input durations and view results in various units.

**Highlights:** Calculates storage for video/audio media, Supports popular industry formats and codecs, Handles resolutions up to 8K, Input durations in days, hours, seconds, or frames, Displays results in KB, MB, GB, or TB, Save common calculations as favorites, Share calculation summaries via email

**Features:** macOS Compatibility

**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 AJA DataCalc free?

AJA DataCalc 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, AJA DataCalc or Sidus Audio?

Sidus Audio is rated higher. AJA DataCalc averages 3.8 out of 5 from 11 ratings, while Sidus Audio averages 4.4 from 17 ratings.

### Do AJA DataCalc or Sidus Audio have ads?

Neither AJA DataCalc nor Sidus Audio shows ads.

### Which is updated more often, AJA DataCalc or Sidus Audio?

AJA DataCalc ships an update every 4 months, and Sidus Audio every 6 weeks. Most recently, AJA DataCalc was updated on October 12, 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.*