# ARRI ECS vs Livegrade Viewer

The clearest difference is update cadence: Livegrade Viewer at every 5 weeks against ARRI ECS's every 14 months. ARRI ECS's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ARRI ECS ships an update every 14 months, Livegrade Viewer every 5 weeks. The most recent releases landed on September 19, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ARRI ECS | Livegrade Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 5 weeks** |
| Size | 23 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ARRI Group](https://appshunter.io/developer/733009342) | [Pomfort GmbH](https://appshunter.io/developer/412632147) |

## 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


### Livegrade Viewer

[App page](https://appshunter.io/ios/app/livegrade-viewer/id6753012630)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ARRI ECS free?

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

### Is Livegrade Viewer free?

Livegrade Viewer is free to download, with no in-app purchases.

### Do ARRI ECS or Livegrade Viewer have ads?

Neither ARRI ECS nor Livegrade Viewer shows ads.

### Which is updated more often, ARRI ECS or Livegrade Viewer?

ARRI ECS ships an update every 14 months, and Livegrade Viewer every 5 weeks. Most recently, ARRI ECS was updated on September 19, 2026 and Livegrade Viewer on October 28, 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.*