Comparison

DataCalc by DPBOX vs CineMath

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
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

CineMath

This app provides filmmakers and video professionals with a suite of twelve frame-accurate calculation tools. It helps with speed percentages, clip length adjustments, bitrate calculations, upload times, and more. Supports various frame rates, film formats, and offers offline operation.

Highlights
  • Frame-accurate calculations
  • Speed percentage calculator
  • Target length and bitrate tools
  • Timecode and frame conversion
  • Aspect ratio calculations
  • Offline operation
  • Supports multiple film formats
Features
Read full description

CineMath is the professional calculator suite designed specifically for filmmakers, video editors, and production professionals. Twelve essential tools with frame-accurate precision and intuitive modern design. PROFESSIONAL CALCULATIONS: • Speed Percentage - Calculate frame rate conversion percentages with precision • Target Length - Determine clip length adjustments for perfect timing • Target Bitrate - Calculate optimal compression settings for any file size • Upload Time - Estimate transfer times for large video files • Time to Data - Convert runtime to storage requirements • Data to Time - Calculate maximum runtime from available storage • Time to Film - Calculate required film stock from recording time • Film to Time - Calculate recording time from available film stock • Aspect Ratio - Professional resolution and ratio calculations with smart pixel rounding • Timecode Calculator - Add, subtract, multiply, and divide timecodes • Timecode to Frames - Convert timecode to precise frame counts • Frames to Timecode - Convert frame counts to timecode values PROFESSIONAL FEATURES: • Frame-accurate calculations for 23.976, 24, 25, 29.97, 30, 50, 59.94, 60 fps and custom rates • Film format support: Super 8mm, Super 16mm, Super 35mm, 65mm, and IMAX • Smart Pixel Rounding Engine - Automatically rounds to broadcast standards and encoding-compatible values • Calculation History with advanced search and organization (Premium) • Professional Sharing - Export calculations as formatted text (Premium) • Bulk Operations - Select and share multiple calculations at once (Premium) • Dark and light mode support with professional design • Offline operation - no internet required • Universal app supporting iPhone, iPad, and Mac (Catalyst) • Professional precision for demanding workflows PERFECT FOR: • Film and video editors • Post-production professionals • Cinematographers and directors • Analog film production planners • Content creators and YouTubers • Broadcast engineers • Film students and educators • Anyone working with video timecode and technical specifications CineMath eliminates guesswork with precision calculations trusted by professionals. Download free and upgrade to CineMath Professional for advanced features. Privacy-focused: All calculations performed locally on your device.

Screenshots

DataCalc by DPBOX4 screens
CineMath4 screens

Verdict

The call

The clearest difference is update cadence: CineMath at every 4 days against DataCalc by DPBOX's every 2 months. On price, review sentiment, ads and in-app purchases 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 and CineMath sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

DataCalc by DPBOX ships an update every 2 months, CineMath every 4 days. The most recent releases landed on September 14, 2026 and September 6, 2026 respectively.

Scorecard1 real difference · 9 level
DataCalc by DPBOX versus CineMath: the parameters behind the verdict, then further details
ParameterDataCalc by DPBOXCineMath
PriceFreeFree
Rating—5.0 (11 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—11 — better
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS16.016.0
Further details — not scored
Size16 MB7 MB
Age rating4+4+
DeveloperGavin FooBradford Operations LLC

Customer experience

DataCalc by DPBOX

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

CineMath

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

DataCalc by DPBOX

Subscriptions1
  • Annual$2.991 Year
1 purchases

CineMath

One-time1
  • CineMath Professional$4.99

Questions

Is DataCalc by DPBOX free?
DataCalc by DPBOX is free to download, with in-app purchases available.
Is CineMath free?
CineMath is free to download, with in-app purchases available.
Do DataCalc by DPBOX or CineMath have ads?
Neither DataCalc by DPBOX nor CineMath shows ads.
Which is updated more often, DataCalc by DPBOX or CineMath?
DataCalc by DPBOX ships an update every 2 months, and CineMath every 4 days. Most recently, DataCalc by DPBOX was updated on September 14, 2026 and CineMath on September 6, 2026.

Other comparisons