# SMTEN vs Balcony Solar optimizer

The clearest difference is update cadence: Balcony Solar optimizer at every 3 weeks against SMTEN's every 5 months. SMTEN's advantage is iOS requirement (12.0 vs 26.4). 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.

SMTEN ships an update every 5 months, Balcony Solar optimizer every 3 weeks. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SMTEN | Balcony Solar optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/smten/id1078137068/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 230 MB | 6 MB |
| Requires iOS | **12.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Growatt New Energy Technology Co.,Ltd](https://appshunter.io/developer/1135731820) | [Patrick Christensen](https://appshunter.io/developer/1618808605) |

## What reviewers say

### SMTEN

[App page](https://appshunter.io/ios/app/smten/id1078137068)

Monitor your photovoltaic plant's performance remotely. Access real-time data on energy yield, income, and system status from anywhere. Requires registration with the SMTEN PV Data Center.

**Highlights:** Remote monitoring of photovoltaic plants, Access energy yield data, Track income generation, View system status, Wireless data access, Requires SMTEN PV Data Center registration

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

**In-app purchases:** none


### Balcony Solar optimizer

[App page](https://appshunter.io/ios/app/balcony-solar-optimizer/id6767010381)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


## Frequently asked questions

### Is SMTEN free?

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

### Is Balcony Solar optimizer free?

Balcony Solar optimizer is free to download, with no in-app purchases.

### Do SMTEN or Balcony Solar optimizer have ads?

Neither SMTEN nor Balcony Solar optimizer shows ads.

### Which is updated more often, SMTEN or Balcony Solar optimizer?

SMTEN ships an update every 5 months, and Balcony Solar optimizer every 3 weeks. Most recently, SMTEN was updated on November 2, 2026 and Balcony Solar optimizer on October 24, 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.*