# i.Solar vs inverterzone

The clearest difference is rating: inverterzone at 5.0 against i.Solar's 1.7. i.Solar's advantage is in-app purchases (none vs 1) and ratings volume (9 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. inverterzone sells 1 in-app purchase, starting at $1.99 per month. i.Solar asks for nothing beyond the download.

inverterzone holds the better App Store score, 5.0 against 1.7. 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.

i.Solar ships an update weekly, inverterzone every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | i.Solar | inverterzone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (9 ratings)](https://appshunter.io/ios/app/isolar/id1632580672/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/inverterzone/id6624304925/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 51 MB | 47 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trusted UPS Manufacturing Company](https://appshunter.io/developer/1632202346) | [Hammad Ali](https://appshunter.io/developer/1762186330) |

## 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


### inverterzone

[App page](https://appshunter.io/ios/app/inverterzone/id6624304925)

Monitor your solar energy generation, home load consumption, and grid usage in real-time. Schedule grid power usage with timers and receive customizable alerts to optimize energy efficiency and reduce costs. Track historical data for informed decisions and contribute to a greener future.

**Highlights:** Real-time solar generation monitoring, Home load consumption insights, Grid usage tracking, Timer-based automation for power switching, Customizable real-time alerts, Historical energy data analysis, User-friendly app interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| smart timer monthly | $1.99 | per month |


## Frequently asked questions

### Is i.Solar free?

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

### Is inverterzone free?

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

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

inverterzone is rated higher. i.Solar averages 1.7 out of 5 from 9 ratings, while inverterzone averages 5.0 from 1 ratings.

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

Neither i.Solar nor inverterzone shows ads.

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

i.Solar ships an update weekly, and inverterzone every 9 days. Most recently, i.Solar was updated on October 24, 2026 and inverterzone 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.*