# ARRI ECS vs DPBOX

The clearest difference is in-app purchases: ARRI ECS at none against DPBOX's 3. ARRI ECS also leads on iOS requirement (15.6 vs 17.0). DPBOX's advantage is update cadence (fortnightly vs every 14 months). On price, 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. ARRI ECS asks for nothing beyond the download.

ARRI ECS ships an update every 14 months, DPBOX fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ARRI ECS | DPBOX |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 23 MB | 213 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ARRI Group](https://appshunter.io/developer/733009342) | [Gavin Foo](https://appshunter.io/developer/556377228) |

## What reviewers say

### ARRI ECS

[App page](https://appshunter.io/ios/app/arri-ecs/id1555674483)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ARRI ECS free?

ARRI ECS is free to download, with no in-app purchases.

### Is DPBOX free?

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

### Do ARRI ECS or DPBOX have ads?

Neither ARRI ECS nor DPBOX shows ads.

### Which is updated more often, ARRI ECS or DPBOX?

ARRI ECS ships an update every 14 months, and DPBOX fortnightly. Most recently, ARRI ECS was updated on November 3, 2026 and DPBOX 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.*