DataCalc by DPBOX vs CineMath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Offline data calculation
- Transfer time estimation
- Recording duration calculation
- Summary of records
- iCloud synchronization
- Language and unit switching
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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
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.
- Frame-accurate calculations
- Speed percentage calculator
- Target length and bitrate tools
- Timecode and frame conversion
- Aspect ratio calculations
- Offline operation
- Supports multiple film formats
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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
Verdict
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
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.
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.
| Parameter | DataCalc by DPBOX | CineMath |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (11 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 11 — better |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 16 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Gavin Foo | Bradford Operations LLC |
Customer experience
DataCalc by DPBOX
CineMath
In-app purchases
DataCalc by DPBOX
- Annual$2.991 Year
CineMath
- CineMath Professional$4.99









