Comparison

DataCalc by DPBOX vs UniStory

Price, ratings, monetisation and update history for both apps, side by side β€” 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
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

About

UniStory

Features
Read full description

​​UniStory​​ is a toolkit for filmmakers. ​​Scene Analysis Tool​​ Play local videos and take notes in real-time. No more switching between video players and Excel sheets. Export notes directly to Excel format.

Screenshots

DataCalc by DPBOX4 screens
UniStory3 screens

Verdict

The call

The clearest difference is in-app purchases: UniStory at none against DataCalc by DPBOX's 1. UniStory also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (14.0 vs 16.0). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

DataCalc by DPBOX ships an update every 2 months, UniStory every 4 days. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

Scorecard3 real differences Β· 5 level
DataCalc by DPBOX versus UniStory: the parameters behind the verdict, then further details
ParameterDataCalc by DPBOXUniStory
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 2 monthsEvery 4 days β€” better
AdsNoNo
In-app purchasesYesNo β€” better
MonetizationFree with in-app purchasesβ€”
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.014.0 β€” better
Further details β€” not scored
Size16 MB21 MB
Age rating4+17+
DeveloperGavin Foo希 成

In-app purchases

1 purchases

DataCalc by DPBOX

Subscriptions1
  • Annual$2.991 Year
None

UniStory

No in-app purchases

Questions

Is DataCalc by DPBOX free?
DataCalc by DPBOX is free to download, with in-app purchases available.
Is UniStory free?
UniStory is free to download, with no in-app purchases.
Do DataCalc by DPBOX or UniStory have ads?
Neither DataCalc by DPBOX nor UniStory shows ads.
Which is updated more often, DataCalc by DPBOX or UniStory?
DataCalc by DPBOX ships an update every 2 months, and UniStory every 4 days. Most recently, DataCalc by DPBOX was updated on November 4, 2026 and UniStory on October 25, 2026.

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