# ViewPower vs i.Solar

The clearest difference is rating: i.Solar at 1.7 against ViewPower's 1.0. i.Solar also leads on update cadence (weekly vs every 11 months) and review sentiment (13% vs 0%). ViewPower's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

i.Solar holds the better App Store score, 1.7 against 1.0. That said, the two scores are not equally well evidenced: i.Solar has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of ViewPower's written reviews are positive against 13% of i.Solar's.

ViewPower ships an update every 11 months, i.Solar weekly. The most recent releases landed on August 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | ViewPower | i.Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/viewpower/id1502213017/reviews) | **[1.7 (9 ratings)](https://appshunter.io/ios/app/isolar/id1632580672/reviews)** |
| Number of ratings | 1 | **9** |
| Positive reviews | 0.0% of reviews | **12.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Weekly** |
| Monetization | Free | Free |
| Size | 19 MB | 51 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [Trusted UPS Manufacturing Company](https://appshunter.io/developer/1632202346) |

## What reviewers say

### 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


### i.Solar

[App page](https://appshunter.io/ios/app/isolar/id1632580672)

Monitor your inverters remotely with real-time data and control capabilities. This app allows for daily data tracking, command sending, and remote device management.

**Highlights:** Daily data monitoring, Real-time data enquiry, Command sending, Remote device control

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ViewPower free?

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

### Is i.Solar free?

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

### Which has better reviews, ViewPower or i.Solar?

i.Solar is rated higher. ViewPower averages 1.0 out of 5 from 1 ratings, while i.Solar averages 1.7 from 9 ratings.

### Do ViewPower or i.Solar have ads?

Neither ViewPower nor i.Solar shows ads.

### Which is updated more often, ViewPower or i.Solar?

ViewPower ships an update every 11 months, and i.Solar weekly. Most recently, ViewPower was updated on August 14, 2026 and i.Solar on September 8, 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.*