# ECU vs Soluna eCloud

The clearest difference is update cadence: Soluna eCloud at every 2 months against ECU's every 33 months. ECU's advantage is 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.

ECU ships an update every 33 months, Soluna eCloud every 2 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ECU | Soluna eCloud |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 2 months** |
| Size | 25 MB | 33 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appleby Italiana Srl](https://appshunter.io/developer/1458734548) | [Shanghai Raymon IoT Technology Co., Ltd.](https://appshunter.io/developer/1649162918) |

## What reviewers say

### ECU

[App page](https://appshunter.io/ios/app/ecu-18-manager/id1462414446)

**Features:** macOS Compatibility

**In-app purchases:** none


### Soluna eCloud

[App page](https://appshunter.io/ios/app/soluna-ecloud/id6444200437)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECU free?

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

### Is Soluna eCloud free?

Soluna eCloud is free to download, with no in-app purchases.

### Do ECU or Soluna eCloud have ads?

Neither ECU nor Soluna eCloud shows ads.

### Which is updated more often, ECU or Soluna eCloud?

ECU ships an update every 33 months, and Soluna eCloud every 2 months. Most recently, ECU was updated on September 10, 2026 and Soluna eCloud on September 9, 2026.

---

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