Comparison

DataCalc by DPBOX vs 摄影计算器

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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

About

摄影计算器

Features
Read full description

LumiFrame brings exposure, shutter, ISO, ND filters, depth of field, astrophotography, panoramas, and shooting plans into one practical toolkit.

Screenshots

DataCalc by DPBOX4 screens
摄影计算器4 screens

Verdict

The call

The clearest difference is price: DataCalc by DPBOX at Free against 摄影计算器's $2.99. DataCalc by DPBOX also leads on iOS requirement (16.0 vs 18.0). 摄影计算器's advantage is in-app purchases (none vs 1). On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

DataCalc by DPBOX is free to download; 摄影计算器 costs $2.99 up front. DataCalc by DPBOX sells 1 in-app purchase, starting at $2.99 per year. 摄影计算器 asks for nothing beyond the download.

UpkeepUpdate frequency

DataCalc by DPBOX ships an update every 2 months, 摄影计算器 every 4 weeks. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 5 level
DataCalc by DPBOX versus 摄影计算器: the parameters behind the verdict, then further details
ParameterDataCalc by DPBOX摄影计算器
PriceFree — better$2.99
Positive reviews100.0% of reviews—
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size16 MB4 MB
Age rating4+17+
DeveloperGavin Foo云鹏 张

In-app purchases

1 purchases

DataCalc by DPBOX

Subscriptions1
  • Annual$2.991 Year
None

摄影计算器

No in-app purchases

Questions

Is DataCalc by DPBOX free?
DataCalc by DPBOX is free to download, with in-app purchases available.
Is 摄影计算器 free?
摄影计算器 costs $2.99, with no in-app purchases.
Do DataCalc by DPBOX or 摄影计算器 have ads?
Neither DataCalc by DPBOX nor 摄影计算器 shows ads.
Which is updated more often, DataCalc by DPBOX or 摄影计算器?
DataCalc by DPBOX ships an update every 2 months, and 摄影计算器 every 4 weeks. Most recently, DataCalc by DPBOX was updated on November 4, 2026 and 摄影计算器 on November 3, 2026.

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