# DPBOX vs 大米助手

The clearest difference is in-app purchases: 大米助手 at none against DPBOX's 3. 大米助手 also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DPBOX sells 3 in-app purchases, starting at $3.99 per month. 大米助手 asks for nothing beyond the download.

DPBOX ships an update fortnightly, 大米助手 every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | DPBOX | 大米助手 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/dpboxcam-and-lens-specsdata-calc/id6502829659/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 96.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 213 MB | 53 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Gavin Foo](https://appshunter.io/developer/556377228) | [彪 宗](https://appshunter.io/developer/1410557892) |

## What reviewers say

### DPBOX

[App page](https://appshunter.io/ios/app/dpboxcam-and-lens-specsdata-calc/id6502829659)

This app provides filmmakers, Directors of Photography, and DITs with quick access to technical specifications for cameras and lenses. It helps visualize coverage, calculate data capacity, and estimate recording durations for smarter gear choices.

**Highlights:** Camera and lens technical specifications, Coverage visualization across sensor modes, Video data capacity calculation, Transfer and recording duration estimates, Offline access, Metric/Imperial unit toggle

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| 3 Month | $7.99 | per 3 months |
| Annual | $24.99 | per year |


### 大米助手

[App page](https://appshunter.io/ios/app/id6742822652)

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

**In-app purchases:** none


## Frequently asked questions

### Is DPBOX free?

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

### Is 大米助手 free?

大米助手 is free to download, with no in-app purchases.

### Do DPBOX or 大米助手 have ads?

Neither DPBOX nor 大米助手 shows ads.

### Which is updated more often, DPBOX or 大米助手?

DPBOX ships an update fortnightly, and 大米助手 every 3 weeks. Most recently, DPBOX was updated on October 30, 2026 and 大米助手 on October 30, 2026.

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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.*