Comparison

X vs DataCalc by DPBOX

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

Head to head
About

X

Features
Read full description

Function Description: 1. Add / edit document items 2. During the project demonstration, gesture control can be used. Screen up: page down; screen down: page up; screen left: text slow down; screen right: text speed up 3. The font and background settings, mirror settings and loop playback settings can be set during the demonstration. 4. You can change the language by setting

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
Read full description

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

X3 screens
DataCalc by DPBOX4 screens

Verdict

The call

The clearest difference is in-app purchases: X at none against DataCalc by DPBOX's 1. X also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (11.0 vs 16.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. DataCalc by DPBOX sells 1 in-app purchase, starting at $2.99 per year. X asks for nothing beyond the download.

UpkeepUpdate frequency

X ships an update every 4 days, DataCalc by DPBOX every 2 months. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 5 level
X versus DataCalc by DPBOX: the parameters behind the verdict, then further details
ParameterXDataCalc by DPBOX
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 4 days — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size1 MB16 MB
Age rating4+4+
Developer龙 闫Gavin Foo

In-app purchases

None

X

No in-app purchases

1 purchases

DataCalc by DPBOX

Subscriptions1
  • Annual$2.991 Year

Questions

Is X free?
X is free to download, with no in-app purchases.
Is DataCalc by DPBOX free?
DataCalc by DPBOX is free to download, with in-app purchases available.
Do X or DataCalc by DPBOX have ads?
Neither X nor DataCalc by DPBOX shows ads.
Which is updated more often, X or DataCalc by DPBOX?
X ships an update every 4 days, and DataCalc by DPBOX every 2 months. Most recently, X was updated on October 12, 2026 and DataCalc by DPBOX on October 2, 2026.

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