# Sonnen Buddy vs sonnen

The clearest difference is review sentiment: Sonnen Buddy at 100% against sonnen's 38%. Sonnen Buddy also leads on rating (5.0 vs 3.5). sonnen's advantage is in-app purchases (none vs 2) and ratings volume (20 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sonnen Buddy sells 2 in-app purchases, starting at $2.99 per month. sonnen asks for nothing beyond the download.

Sonnen Buddy holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: sonnen has 20 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Sonnen Buddy's written reviews are positive against 38% of sonnen's.

Sonnen Buddy ships an update every 10 days, sonnen fortnightly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Sonnen Buddy | sonnen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sonnen-buddy/id1627198189/reviews)** | [3.5 (20 ratings)](https://appshunter.io/ios/app/sonnen/id6444147829/reviews) |
| Number of ratings | 1 | **20** |
| Positive reviews | **100.0% of reviews** | 38.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Freemium | **Free** |
| Size | 58 MB | 66 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Andersen](https://appshunter.io/developer/1627198191) | [sonnen GmbH](https://appshunter.io/developer/547979417) |

## What reviewers say

### Sonnen Buddy

[App page](https://appshunter.io/ios/app/sonnen-buddy/id1627198189)

Monitor your home energy system in real-time, including PV panels, battery, and inverter utilization. Easily adjust system configurations like charge events and operating modes directly from your mobile device.

**Highlights:** Real-time energy flow view, PV panel, battery, and inverter utilization, System configuration adjustments, Charge event scheduling, Operating mode changes, Weather forecast charge management

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sonnen Buddy Premium | $2.99 | per month |
| Sonnen Buddy Premium | $22.99 | per year |


### 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 Sonnen Buddy free?

Sonnen Buddy is free to download, with in-app purchases available.

### Is sonnen free?

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

### Which has better reviews, Sonnen Buddy or sonnen?

Sonnen Buddy is rated higher. Sonnen Buddy averages 5.0 out of 5 from 1 ratings, while sonnen averages 3.5 from 20 ratings.

### Do Sonnen Buddy or sonnen have ads?

Neither Sonnen Buddy nor sonnen shows ads.

### Which is updated more often, Sonnen Buddy or sonnen?

Sonnen Buddy ships an update every 10 days, and sonnen fortnightly. Most recently, Sonnen Buddy 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.*