X vs DataCalc by DPBOX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
X
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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
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
Screenshots
Verdict
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
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.
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.
| Parameter | X | DataCalc by DPBOX |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | 龙 闫 | Gavin Foo |
In-app purchases
X
No in-app purchases
DataCalc by DPBOX
- Annual$2.991 Year









