# M vs Codemeta OS

The clearest difference is ads: Codemeta OS at none against M's shown. On price, update cadence, 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.

M ships an update every 4 months, Codemeta OS every 2 months. The most recent releases landed on July 21, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | M | Codemeta OS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 56 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [M-TEC Energy Systems GmbH](https://appshunter.io/developer/1660700474) | [Codemeta GmbH](https://appshunter.io/developer/1882723706) |

## What reviewers say

### 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


### Codemeta OS

[App page](https://appshunter.io/ios/app/codemeta-os/id6760119766)

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

**In-app purchases:** none


## Frequently asked questions

### Is M free?

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

### Is Codemeta OS free?

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

### Do M or Codemeta OS have ads?

M shows ads; Codemeta OS does not.

### Which is updated more often, M or Codemeta OS?

M ships an update every 4 months, and Codemeta OS every 2 months. Most recently, M was updated on July 21, 2026 and Codemeta OS on September 13, 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.*