# AJA DataCalc vs Hollyvox

The clearest difference is rating: AJA DataCalc at 3.8 against Hollyvox's 1.0. AJA DataCalc also leads on ratings volume (11 vs 1) and iOS requirement (9.0.0 vs 16.1). Hollyvox's advantage is update cadence (every 2 months vs every 4 months). 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.

AJA DataCalc holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: AJA DataCalc has 11 ratings behind it against 1, so its average is the more settled of the two.

AJA DataCalc ships an update every 4 months, Hollyvox every 2 months. The most recent releases landed on October 21, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | AJA DataCalc | Hollyvox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (11 ratings)](https://appshunter.io/ios/app/aja-datacalc/id343454572/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/hollyvox/id6456796867/reviews) |
| Number of ratings | **11** | 1 |
| Positive reviews | 70.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 3 MB | 76 MB |
| Requires iOS | **9.0.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [AJA Video Systems](https://appshunter.io/developer/343454575) | [深圳市昊一源科技有限公司](https://appshunter.io/developer/1460631424) |

## 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

**What reviewers like**

- 👍 Handy for storage calculations
- 👍 Useful timesaver for archives
- 👍 Great tool for content ecosystem
- 👍 Indispensable for digital cinema
- 👍 Intuitive layout, rock-solid

**What reviewers complain about**

- 🐛 Crashes with iOS 17
- 🐛 App crashes on button press
- 🐛 UI stripped down, slow launch
- 🐛 Typos in codec selections
- 🐛 Inaccurate HDV bit rate

**Reported bugs**

- Crashes with iOS 17
- App crashes on touching settings
- App crashes every time any button is used
- HDV bit rate incorrect
- Resolutions dropdown lacks clarity

**Requested features**

- Add support for older devices (Ki Pro, etc.)
- Add support for FFV1 codec (version 3)
- Add support for Canon XF-AVC
- Add bitrate option for calculation
- Add bits per second field


### Hollyvox

[App page](https://appshunter.io/ios/app/hollyvox/id6456796867)

This app configures wireless intercom systems, allowing users to view and adjust beltpack groupings and base station parameters. It simplifies device setup and enhances operational efficiency for compatible equipment.

**Highlights:** Equipment configuration services, Connects with Hollyvox intercom system, View beltpack grouping, Set base station parameters, Simplifies device configuration, Improves work efficiency

**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 Hollyvox free?

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

### Which has better reviews, AJA DataCalc or Hollyvox?

AJA DataCalc is rated higher. AJA DataCalc averages 3.8 out of 5 from 11 ratings, while Hollyvox averages 1.0 from 1 ratings.

### Do AJA DataCalc or Hollyvox have ads?

Neither AJA DataCalc nor Hollyvox shows ads.

### Which is updated more often, AJA DataCalc or Hollyvox?

AJA DataCalc ships an update every 4 months, and Hollyvox every 2 months. Most recently, AJA DataCalc was updated on October 21, 2026 and Hollyvox on October 22, 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.*