# Soluna eCloud vs Smart M

The clearest difference is update cadence: Smart M at monthly against Soluna eCloud's every 2 months. Smart M also leads on iOS requirement (12.0 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.

Soluna eCloud ships an update every 2 months, Smart M monthly. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Soluna eCloud | Smart M |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 33 MB | 99 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Raymon IoT Technology Co., Ltd.](https://appshunter.io/developer/1649162918) | [Slenergy Technology(A.H.)Co.,Ltd.](https://appshunter.io/developer/1701018754) |

## What reviewers say

### Soluna eCloud

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart M

[App page](https://appshunter.io/ios/app/smart-m/id6462580670)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Soluna eCloud free?

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

### Is Smart M free?

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

### Do Soluna eCloud or Smart M have ads?

Neither Soluna eCloud nor Smart M shows ads.

### Which is updated more often, Soluna eCloud or Smart M?

Soluna eCloud ships an update every 2 months, and Smart M monthly. Most recently, Soluna eCloud was updated on September 9, 2026 and Smart M on September 18, 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.*