# i.Solar vs Energy

The clearest difference is review sentiment: Energy at 80% against i.Solar's 13%. Energy also leads on rating (4.2 vs 1.7) and iOS requirement (13 vs 15.0). i.Solar's advantage is update cadence (weekly vs monthly). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Energy holds the better App Store score, 4.2 against 1.7. Both are backed by a comparable volume of ratings — 9 and 13 respectively. Written reviews point the same way: 13% of i.Solar's written reviews are positive against 80% of Energy's.

i.Solar ships an update weekly, Energy monthly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | i.Solar | Energy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (9 ratings)](https://appshunter.io/ios/app/isolar/id1632580672/reviews) | **[4.2 (13 ratings)](https://appshunter.io/ios/app/energy-mate/id1672569936/reviews)** |
| Number of ratings | 9 | **13** |
| Positive reviews | 12.5% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | Free |
| Size | 51 MB | 165 MB |
| Requires iOS | 15.0 | **13** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trusted UPS Manufacturing Company](https://appshunter.io/developer/1632202346) | [祥梯 孟](https://appshunter.io/developer/1070155084) |

## What reviewers say

### 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


### Energy

[App page](https://appshunter.io/ios/app/energy-mate/id1672569936)

This application provides real-time monitoring of energy storage devices through a mobile terminal. It offers data visualization with simple charts and allows users to access historical data anytime, anywhere. The software is designed to be efficient, generating minimal internet traffic.

**Highlights:** Real-time monitoring of energy storage devices, Data visualization with simple charts, Access to historical data, Multi-dimensional data display, Low internet traffic usage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i.Solar free?

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

### Is Energy free?

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

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

Energy is rated higher. i.Solar averages 1.7 out of 5 from 9 ratings, while Energy averages 4.2 from 13 ratings.

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

Neither i.Solar nor Energy shows ads.

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

i.Solar ships an update weekly, and Energy monthly. Most recently, i.Solar was updated on October 25, 2026 and Energy on October 27, 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.*