# DataCalc by DPBOX: Video Data — Portable Data Calculator

> Portable data calculator for filmmakers to estimate video data capacity and transfer times. (iPhone/iPad app by Gavin Foo.)

- Source: https://appshunter.io/ios/app/datacalc-by-dpbox-video-data/id6503596289 (this page in markdown: same URL + `.md`)
- Developer: [Gavin Foo](https://appshunter.io/developer/556377228)
- Category: Utilities, Photo & Video
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 16 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2024-07-01
- Data updated: 2026-08-12
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/datacalc-by-dpbox-video-data/id6503596289/reviews.md

## What is DataCalc by DPBOX?

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

## Key features

- Offline data calculation
- Transfer time estimation
- Recording duration calculation
- Summary of records
- iCloud synchronization
- Language and unit switching

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Annual | $2.99 | per year |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/datacalc-by-dpbox-video-data/id6503596289/reviews.md

### 5/5 — 太方便了！

*2024-10-31*

🙏🏻感谢开发者~

## Frequently asked questions about DataCalc by DPBOX

### What is DataCalc used for?

DataCalc is a portable data calculator designed for filmmakers to calculate video data capacity, transfer times, and recording durations under various conditions.

### Can DataCalc be used offline?

Yes, DataCalc offers offline use, allowing you to perform calculations anytime and anywhere, whether you are in the studio or on location.

### Does DataCalc support multiple devices?

Yes, DataCalc supports automatic synchronization of summary records across multiple devices through iCloud, ensuring your data is consistent.

### What languages does DataCalc support?

DataCalc supports switching between Chinese and English languages, as well as conversion standards for units.

### How much does DataCalc cost?

DataCalc can be downloaded for free. An optional upgrade to DataCalc Pro unlocks all paid features via an annual auto-renewal subscription priced at $2.99 per year.

### How do I cancel my DataCalc subscription?

To cancel your annual subscription, you must manually turn off the auto-renewal feature in your iTunes/Apple ID settings management at least 24 hours before the current subscription period ends.

### When was DataCalc last updated?

The latest version of DataCalc was last updated on December 17, 2025.

### What devices is DataCalc available on?

DataCalc is available for iPhone and iPad devices.

## Version history (last 5 releases)

### 1.4 — 2025-12-17

Performance optimization and iOS adaptation

### 1.3 — 2025-05-08

Improvements and updates:
- Optimize UI
- Fix crashes and bugs

### 1.2.1 — 2024-12-14

Fix the issue that might prevent subscription completion.

### 1.2 — 2024-10-16

- Add minimum capacity display for variable bitrate format
- Optimize the automatic activation mechanism of DataCalc Pro

### 1.1 — 2024-09-11

Improvement
- Add dark mode icons for iOS 18.

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## More apps by Gavin Foo

- [DPBOX - 电影摄影机与镜头参数，像场和素材数据容量计算](https://appshunter.io/ios/app/dpbox/id6502829659)
- [Tracking Marker by DPBOX](https://appshunter.io/ios/app/tracking-marker-by-dpbox/id6745626443)

All apps by Gavin Foo: https://appshunter.io/developer/556377228

## Related topics

[datacalc](https://appshunter.io/ios/topics/datacalc) · [dot datacalc](https://appshunter.io/ios/topics/dot-datacalc) · [dpbox](https://appshunter.io/ios/topics/dpbox)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-12.*