# ZEWO Dynamics EMS vs sonnenPro

The clearest difference is update cadence: sonnenPro at every 3 weeks against ZEWO Dynamics EMS's every 2 months. sonnenPro also leads on iOS requirement (15.0 vs 17.0). 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.

ZEWO Dynamics EMS ships an update every 2 months, sonnenPro every 3 weeks. The most recent releases landed on September 19, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ZEWO Dynamics EMS | sonnenPro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 67 MB | 46 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zewotherm Heating GmbH](https://appshunter.io/developer/1781843522) | [sonnen GmbH](https://appshunter.io/developer/547979417) |

## What reviewers say

### ZEWO Dynamics EMS

[App page](https://appshunter.io/ios/app/zewo-dynamics-ems/id6738684459)

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

**In-app purchases:** none


### sonnenPro

[App page](https://appshunter.io/ios/app/sonnenpro/id6758942267)

This app intelligently manages your home's energy devices, including solar power, storage, heat pumps, and EV chargers. It optimizes electricity usage, production, and storage based on AI strategies for cost-effectiveness and self-sufficiency.

**Highlights:** Connects electricity devices, AI-driven energy optimization, Manages solar power plants, Integrates energy storage, Controls heat pumps, Links electric chargers, Maximizes self-sufficiency

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

**In-app purchases:** none


## Frequently asked questions

### Is ZEWO Dynamics EMS free?

ZEWO Dynamics EMS is free to download, with no in-app purchases.

### Is sonnenPro free?

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

### Do ZEWO Dynamics EMS or sonnenPro have ads?

Neither ZEWO Dynamics EMS nor sonnenPro shows ads.

### Which is updated more often, ZEWO Dynamics EMS or sonnenPro?

ZEWO Dynamics EMS ships an update every 2 months, and sonnenPro every 3 weeks. Most recently, ZEWO Dynamics EMS was updated on September 19, 2026 and sonnenPro on October 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.*