# SolarAssistant vs ViewPower

The clearest difference is update cadence: SolarAssistant at every 11 days against ViewPower's every 11 months. SolarAssistant also leads on iOS requirement (9.0 vs 11.0). On price, rating, review sentiment and ratings volume 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 — 1.0 for SolarAssistant against 1.0 for ViewPower. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

SolarAssistant ships an update every 11 days, ViewPower every 11 months. The most recent releases landed on September 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SolarAssistant | ViewPower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/solarassistant/id1123555800/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/viewpower/id1502213017/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 11 months |
| Monetization | Free | Free |
| Size | 12 MB | 19 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [易事特集团股份有限公司](https://appshunter.io/developer/1036040326) | [祥梯 孟](https://appshunter.io/developer/1070155084) |

## What reviewers say

### SolarAssistant

[App page](https://appshunter.io/ios/app/solarassistant/id1123555800)

This app connects to solar inverters via Bluetooth or WiFi for maintenance. It allows real-time monitoring of alarms, configuration parameters, and device health history. Quickly locate faults and enhance operational efficiency.

**Highlights:** Bluetooth/WiFi inverter connection, Real-time alarm monitoring, Configuration parameter access, Log downloading, Fault location and management, Device health history query

**Features:** macOS Compatibility

**In-app purchases:** none


### ViewPower

[App page](https://appshunter.io/ios/app/viewpower/id1502213017)

Monitor device status, configure settings, and receive important notifications. Record historical device data for review. This utility app helps manage device operations effectively.

**Highlights:** Display device status, Configure device settings, Receive warning/alarm notifications, Record device data history

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SolarAssistant free?

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

### Is ViewPower free?

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

### Which has better reviews, SolarAssistant or ViewPower?

SolarAssistant and ViewPower are both rated 1.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do SolarAssistant or ViewPower have ads?

Neither SolarAssistant nor ViewPower shows ads.

### Which is updated more often, SolarAssistant or ViewPower?

SolarAssistant ships an update every 11 days, and ViewPower every 11 months. Most recently, SolarAssistant was updated on September 16, 2026 and ViewPower on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*