AJA DataCalc vs Hollyvox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AJA DataCalc
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.
- 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
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AJA DataCalc computes storage requirements for professional video and audio media. Designed for video professionals, this application works with all the most popular industry video formats and compression methods, including AJA Raw, Apple ProRes, DVCProHD, HDV, XDCAM, DV, CineForm, REDCODE, Avid DNxHD, Avid DNxHR, Apple Intermediate, 16 bit RGB and RGBA, uncompressed, and more. Video standards supported include NTSC, PAL, 1080i, 1080p, 720p, 2K, 4K and 8K. AJA DataCalc allows you to change settings and calculate storage requirements in a single screen with simple controls and a clear concise display. Media durations can be entered in units of days, hours, seconds, or even as precise as frames using time code mode. Clicking on results will rotate you through alternative values including KB, MB, GB or TB for storage calculations or time results in a variety of formats when in TimeCalc mode. Summary information obtained by DataCalc can even be optionally shared via email or other iOS and iPadOS share services, and a Favorites feature allows you to save common calculations for speedy reference.
Hollyvox
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.
- Equipment configuration services
- Connects with Hollyvox intercom system
- View beltpack grouping
- Set base station parameters
- Simplifies device configuration
- Improves work efficiency
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Launched by Shenzhen Hollyland Technology Co., Ltd, Hollyvox is an APP that mainly aims to provide equipment configuration services dedicated for use with Hollyland's Hollyvox series wireless intercom system. By connecting with a Hollyvox series intercom system, it allows quick viewing and setting of beltpacks grouping and base station’s parameters, which simplifies device configuration operations and improves work efficiency.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | AJA DataCalc | Hollyvox |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (11 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 70.4% of reviews | — |
| Number of ratings | 11 — better | 1 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0.0 — better | 16.1 |
| Further details — not scored | ||
| Size | 3 MB | 76 MB |
| Age rating | 4+ | +4 |
| Developer | AJA Video Systems | 深圳市昊一源科技有限公司 |
Customer experience
AJA DataCalc
Hollyvox
Bugs and requests
AJA DataCalc
Reported bugs
14 issues- 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
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- Defaults are strange
- Sony raw 16 bit estimates may be off
- Some information is inaccurate
- DNxHD bitrates not shown for all framerates
- Out of date with latest codecs
- XDCAM EX data rate incorrect
- Cannot install on 1G iPod Touch (requires microphone)
- Data rates read as megabytes instead of megabits
- XDCAM Ex data rate calculation incorrect
Requested features
19 requests- 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
Show 14 moreShow fewer
- Add support for Compressed CinemaDNG (BMPCC)
- Add DNxHD bitrates for all framerates
- Include more codecs (Avid DNxHD flavors)
- Allow user-defined presets
- Add Arri-Raw, Red R3D, Canon C300 support
- Add custom field for known data rates
- Add support for h264 data file sizes
- Add separate wheels for framerate and bitrate
- Add support for Apple Intermediate Codec, Cineform, DNxHD
- Add support for Lagarith codec
- Add iPod/h.264 selection
- Add ability to email results
- Add on/off switch for audio
- Make storage space always in Bytes
Hollyvox
Not enough reviews yet to summarise bugs or requests.
In-app purchases
AJA DataCalc
No in-app purchases
Hollyvox
No in-app purchases
