AJA DataCalc vs DataCalc by DPBOX
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.
DataCalc by DPBOX
This tool helps filmmakers calculate video data capacity, transfer times, and recording durations. It offers offline use, iCloud synchronization, and language/unit switching.
- Offline data calculation
- Transfer time estimation
- Recording duration calculation
- Summary of records
- iCloud synchronization
- Language and unit switching
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Portable Data Calculator for Director of Photography, DIT, and professional filmmakers. # How can DataCalc help you? - Offline Use: Use anytime, anywhere, whether in the studio or wild, fast response. - Data Calculation: Calculate the video data capacity under different combination modes. - Transfer Time: Calculate the transmission time required for data at different rates. - Duration estimation: Calculate the video recording duration under a specified capacity. - Summary: Add multiple records to calculate the sum of capacity and transfer time. - Synchronization: Automatically synchronize summary records across multiple devices through iCloud; - Language and units: Support Chinese and English language switching, support conversion standard switching. # Contact us Email: fuxiaopang@gmail.com RedBook: @Gavin Foo # Subscription prices and terms DataCalc by DPBOX can be downloaded for free. If you choose to upgrade to the DataCalc Pro version, you can unlock all paid features. We offer one different purchase option: annual auto-renewal. If you are already a DPBOX Pro user, you can automatically activate DataCalc Pro after logging in with your Apple ID. For annual subscriptions: Once confirmed and paid, it will automatically renew through your Apple iTunes account. After successful payment, the subscription period will be extended. To cancel, please manually turn off the auto-renewal feature in iTunes/Apple ID settings management at least 24 hours before the end of the current subscription period. During the trial period, if you do not cancel the subscription, it will automatically activate and charge at the end of the trial period. This service is at your discretion to cancel; if you choose not to cancel, the renewal service for the next billing cycle will be activated for you. User Agreement: https://dpbox.notion.site/Terms-of-Use-0cd728d8d5074ac9953ce526ae76d705 Privacy Policy: https://dpbox.notion.site/Privacy-Policy-14dfaae1d9514a2eaf82a9f120c74be0
Screenshots
Verdict
The clearest difference is in-app purchases: AJA DataCalc at none against DataCalc by DPBOX's 1. AJA DataCalc also leads on iOS requirement (9.0.0 vs 16.0). DataCalc by DPBOX's advantage is review sentiment (100% vs 70%) and update cadence (every 2 months vs every 4 months). On price, ads and device support 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. DataCalc by DPBOX sells 1 in-app purchase, starting at $2.99 per year. AJA DataCalc asks for nothing beyond the download.
AJA DataCalc ships an update every 4 months, DataCalc by DPBOX every 2 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.
| Parameter | AJA DataCalc | DataCalc by DPBOX |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (11 ratings) — better | — |
| Positive reviews | 70.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 11 — better | — |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | AJA Video Systems | Gavin Foo |
Customer experience
AJA DataCalc
DataCalc by DPBOX
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
DataCalc by DPBOX
Not enough reviews yet to summarise bugs or requests.
In-app purchases
AJA DataCalc
No in-app purchases
DataCalc by DPBOX
- Annual$2.991 Year
Questions
Is AJA DataCalc free?
Is DataCalc by DPBOX free?
Do AJA DataCalc or DataCalc by DPBOX have ads?
Which is updated more often, AJA DataCalc or DataCalc by DPBOX?
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