# SPAN Home vs sonnen

SPAN Home and sonnen both sit at 3.6 stars, but that hides the real split: 38% of sonnen's written reviews are positive against 29% of SPAN Home's. sonnen also leads on iOS requirement (15.1 vs 17.6). SPAN Home's advantage is ratings volume (104 vs 20). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.6 for SPAN Home against 3.5 for sonnen. That said, the two scores are not equally well evidenced: SPAN Home has 104 ratings behind it against 20, so its average is the more settled of the two. Written reviews are what separate them: 29% of SPAN Home's written reviews are positive against 38% of sonnen's.

Both ship on a similar rhythm, roughly fortnightly. Both last shipped on November 3, 2026.

## The numbers

| Metric | SPAN Home | sonnen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (104 ratings)](https://appshunter.io/ios/app/span-home-for-32/id1501617838/reviews)** | [3.5 (20 ratings)](https://appshunter.io/ios/app/sonnen/id6444147829/reviews) |
| Number of ratings | **104** | 20 |
| Positive reviews | 28.6% of reviews | **38.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | Free |
| Size | 120 MB | 66 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Span.io, Inc](https://appshunter.io/developer/1477128844) | [sonnen GmbH](https://appshunter.io/developer/547979417) |

## What reviewers say

### SPAN Home

[App page](https://appshunter.io/ios/app/span-home-for-32/id1501617838)

This app provides smart control over your home's electrical panel, allowing you to monitor energy usage, manage individual rooms and appliances, and uncover cost-saving insights. It enhances home energy management and offers advanced features when paired with solar and battery systems, including EV charging.

**Highlights:** Real-time energy dashboard, Room and appliance level control, Cost saving insights, Power outage protection, EV charging integration, Over-the-air updates

**In-app purchases:** none

**What reviewers like**

- 💡 Innovative smart panel concept
- 💡 Provides energy usage insights
- 💡 Useful for backup flexibility
- 💡 Good integration with Tesla Powerwall
- 💡 Offers control over home loads

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- 🐛 Connectivity issues (iffy, loses connection)
- 🐛 Slow loading times (5 seconds)
- 🐛 Unreliable data and inaccurate readings
- 🐛 Poor integration of multiple panels

**Reported bugs**

- App freezes on iPad
- Circuit switching sometimes fails
- App shows ads for other products
- Energy usage data is inaccurate or delayed
- PowerUp feature control is hidden

**Requested features**

- Unified view for multiple panels
- Improved app customization
- More robust connectivity
- Better Tesla battery integration support
- Easier labeling of breakers


### sonnen

[App page](https://appshunter.io/ios/app/sonnen/id6444147829)

Manage your clean energy supply from anywhere. Monitor your solar PV system, battery, and EV charger in real-time. Gain insights into energy consumption and generation to optimize your usage and prepare for outages.

**Highlights:** Real-time energy data and insights, Monitor solar PV system performance, Track battery and EV charger status, View live energy flow and consumption, Access energy contract details, Set battery backup buffer

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SPAN Home free?

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

### Is sonnen free?

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

### Which has better reviews, SPAN Home or sonnen?

SPAN Home is rated higher. SPAN Home averages 3.6 out of 5 from 104 ratings, while sonnen averages 3.5 from 20 ratings.

### Do SPAN Home or sonnen have ads?

Neither SPAN Home nor sonnen shows ads.

### Which is updated more often, SPAN Home or sonnen?

SPAN Home ships an update fortnightly, and sonnen fortnightly. Most recently, SPAN Home was updated on November 3, 2026 and sonnen on November 3, 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.*