# Letus Helix vs ARRI ECS

The clearest difference is update cadence: Letus Helix at every 4 months against ARRI ECS's every 14 months. Letus Helix also leads on iOS requirement (11.0 vs 15.6). 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.

Letus Helix ships an update every 4 months, ARRI ECS every 14 months. The most recent releases landed on October 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Letus Helix | ARRI ECS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/letus-helix/id967348624/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 14 months |
| Monetization | Free | — |
| Size | 21 MB | 23 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ken Lawler](https://appshunter.io/developer/967348623) | [ARRI Group](https://appshunter.io/developer/733009342) |

## What reviewers say

### Letus Helix

[App page](https://appshunter.io/ios/app/letus-helix/id967348624)

This app provides a streamlined interface for adjusting settings on various Letus Helix gimbal models. It simplifies configuration by removing less frequently used options found in desktop software, offering additional user assistance tools for easier operation.

**Highlights:** Intuitive settings adjustment, Simplified configuration, User assistance tools, Wi-Fi connectivity, Support for multiple Helix models

**In-app purchases:** none


### ARRI ECS

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Letus Helix free?

Letus Helix is free to download, with no in-app purchases.

### Is ARRI ECS free?

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

### Do Letus Helix or ARRI ECS have ads?

Neither Letus Helix nor ARRI ECS shows ads.

### Which is updated more often, Letus Helix or ARRI ECS?

Letus Helix ships an update every 4 months, and ARRI ECS every 14 months. Most recently, Letus Helix was updated on October 24, 2026 and ARRI ECS on September 19, 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.*