# SMA Energy vs M

The clearest difference is review sentiment: M at 80% against SMA Energy's 21%. M also leads on monetization model (ad-supported vs free with in-app purchases). SMA Energy's advantage is ads (none vs shown) and 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.

SMA Energy ships an update every 2 months, M every 4 months. The most recent releases landed on September 25, 2026 and July 21, 2026 respectively.

## The numbers

| Metric | SMA Energy | M |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (1.4K ratings)](https://appshunter.io/ios/app/sma-energy/id1476822720/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 20.5% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 170 MB | 56 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SMA Solar Technology AG](https://appshunter.io/developer/331869966) | [M-TEC Energy Systems GmbH](https://appshunter.io/developer/1660700474) |

## What reviewers say

### SMA Energy

[App page](https://appshunter.io/ios/app/sma-energy/id1476822720)

Monitor and manage your home energy system and electric vehicle charging. Optimize solar power usage for sustainability and cost savings. Track energy production, consumption, and grid supply in a clear, structured format.

**Highlights:** Energy system overview, Track energy production and consumption, Optimize solar power utilization, Control EV charging, Forecast-based charging, Optimized charging with solar power

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate current generation data
- 👍 Improved app design and visuals
- 💡 Expanded functionality (e-mobility, forecasting)
- 🔋 Reliable performance

**What reviewers complain about**

- 🐛 Frequent app crashes or freezes
- 🕰️ Slow data updates and loading times
- 📊 Limited historical data and analytics
- 🔍 Lack of detailed system information
- 🔌 Incompatibility with older devices/OS

**Reported bugs**

- Incorrect or missing generation data
- Unreliable login and password reset functionality
- Inconsistent app behavior across devices
- Inability to access system logs and diagnostics

**Requested features**

- Ability to customize data views and graphs
- Improved notification and alert system
- Integration with home automation and smart devices
- Support for off-grid and battery-only systems
- Easier system registration and data migration


### 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 SMA Energy free?

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

### Is M free?

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

### Do SMA Energy or M have ads?

M shows ads; SMA Energy does not.

### Which is updated more often, SMA Energy or M?

SMA Energy ships an update every 2 months, and M every 4 months. Most recently, SMA Energy was updated on September 25, 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.*