# DataCalc by DPBOX vs 卡册账本

The clearest difference is iOS requirement: 卡册账本 at 12.0 against DataCalc by DPBOX's 16.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DataCalc by DPBOX sells 1 in-app purchase, starting at $2.99 per year and 卡册账本 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | DataCalc by DPBOX | 卡册账本 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 32 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gavin Foo](https://appshunter.io/developer/556377228) | [颖玲 杨](https://appshunter.io/developer/1876476461) |

## What reviewers say

### DataCalc by DPBOX

[App page](https://appshunter.io/ios/app/datacalc-by-dpbox-video-data/id6503596289)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $2.99 | per year |


### 卡册账本

[App page](https://appshunter.io/ios/app/tcg/id6785330109)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版 | $0.99 | one-time |


## Frequently asked questions

### Is DataCalc by DPBOX free?

DataCalc by DPBOX is free to download, with in-app purchases available.

### Is 卡册账本 free?

卡册账本 is free to download, with in-app purchases available.

### Do DataCalc by DPBOX or 卡册账本 have ads?

Neither DataCalc by DPBOX nor 卡册账本 shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*