# Wattsonic Cloud vs M

The clearest difference is ads: Wattsonic Cloud at none against M's shown. Wattsonic Cloud also leads on update cadence (every 2 months vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Wattsonic Cloud ships an update every 2 months, M every 4 months. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Wattsonic Cloud | M |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | — | Ad-supported |
| Size | 181 MB | 56 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [旭浦能源](https://appshunter.io/developer/1475609563) | [M-TEC Energy Systems GmbH](https://appshunter.io/developer/1660700474) |

## What reviewers say

### Wattsonic Cloud

[App page](https://appshunter.io/ios/app/wattsonic-cloud/id6444325916)

**Features:** macOS Compatibility

**In-app purchases:** none


### M

[App page](https://appshunter.io/ios/app/m-tec-e-smart/id6478609608)

Monitor and manage your building's energy flows, generation, and consumption directly from your smartphone. Gain insights with daily, monthly, and annual evaluations, and control connected devices like chargers and heat pumps for increased efficiency and sustainability.

**Highlights:** Visualize energy flows, Energy generation and consumption overview, Daily, monthly, annual evaluations, Energy-Charger control, Heat pump control, Remote energy management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Wattsonic Cloud free?

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

### Is M free?

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

### Do Wattsonic Cloud or M have ads?

M shows ads; Wattsonic Cloud does not.

### Which is updated more often, Wattsonic Cloud or M?

Wattsonic Cloud ships an update every 2 months, and M every 4 months. Most recently, Wattsonic Cloud was updated on October 13, 2026 and M on September 29, 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.*