# SMA Energy vs WarmOS

The clearest difference is iOS requirement: WarmOS at 13.0 against SMA Energy's 16.0. 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.

## The numbers

| Metric | SMA Energy | WarmOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (1.4K ratings)](https://appshunter.io/ios/app/sma-energy/id1476822720/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 29.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 171 MB | 16 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SMA Solar Technology AG](https://appshunter.io/developer/331869966) | [PowerFlow Energy Ltd](https://appshunter.io/developer/1850710581) |

## What reviewers say

### SMA Energy

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

Monitor your home energy system and manage energy flows efficiently. Optimize solar power usage, track electricity production and consumption, and control electric vehicle charging. Take control of your personal energy transition.

**Highlights:** Energy system overview, Real-time data visualization, Solar power forecasting, Energy flow optimization, Electric vehicle charging control, Sustainable energy management

**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


### WarmOS

[App page](https://appshunter.io/ios/app/warmos/id6754879238)

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

**In-app purchases:** none


## Frequently asked questions

### Is SMA Energy free?

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

### Is WarmOS free?

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

### Do SMA Energy or WarmOS have ads?

Neither SMA Energy nor WarmOS shows ads.

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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.*