# WEESS vs M

The clearest difference is ads: WEESS at none against M's shown. WEESS also leads on update cadence (monthly vs every 4 months) and monetization model (free vs ad-supported). 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.

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

## The numbers

| Metric | WEESS | M |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weess/id6470615837/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | **Free** | Ad-supported |
| Size | 93 MB | 56 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Weyland Innovations Co., Ltd](https://appshunter.io/developer/1713883757) | [M-TEC Energy Systems GmbH](https://appshunter.io/developer/1660700474) |

## What reviewers say

### WEESS

[App page](https://appshunter.io/ios/app/weess/id6470615837)

This app offers intelligent energy management for your home, optimizing storage and usage based on your patterns. It provides real-time data, personalized efficiency suggestions, and emergency backup power. Connect with others in an energy sharing community for greater flexibility and benefits.

**Highlights:** Intelligent energy optimization, Real-time data and analytics, Smart energy efficiency reminders, Emergency backup power, Energy sharing community

**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 WEESS free?

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

### Is M free?

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

### Do WEESS or M have ads?

M shows ads; WEESS does not.

### Which is updated more often, WEESS or M?

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