# i.Solar vs Smart Solar +

The clearest difference is rating: Smart Solar + at 5.0 against i.Solar's 1.7. i.Solar's advantage is update cadence (weekly vs every 2 weeks) and ratings volume (9 vs 2). 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.

Smart Solar + holds the better App Store score, 5.0 against 1.7. Both are backed by a comparable volume of ratings — 9 and 2 respectively.

i.Solar ships an update weekly, Smart Solar + every 2 weeks. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | i.Solar | Smart Solar + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (9 ratings)](https://appshunter.io/ios/app/isolar/id1632580672/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-solar-plus/id6742374869/reviews)** |
| Number of ratings | **9** | 2 |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 51 MB | 79 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trusted UPS Manufacturing Company](https://appshunter.io/developer/1632202346) | [Sheraz Aslam](https://appshunter.io/developer/1798060185) |

## 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


### Smart Solar +

[App page](https://appshunter.io/ios/app/smart-solar-plus/id6742374869)

Monitor your solar inverter's performance and settings remotely. View real-time statistics, historical charts, and usage details. Receive alerts for faults or device offline status, and manage inverter settings with timer options.

**Highlights:** Real-time inverter statistics, Historical chart data, Usage details by time period, Fault and warning alerts, Inverter setting adjustments, Timer for automatic setting changes, Unlimited device support

**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 Smart Solar + free?

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

### Which has better reviews, i.Solar or Smart Solar +?

Smart Solar + is rated higher. i.Solar averages 1.7 out of 5 from 9 ratings, while Smart Solar + averages 5.0 from 2 ratings.

### Do i.Solar or Smart Solar + have ads?

Neither i.Solar nor Smart Solar + shows ads.

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

i.Solar ships an update weekly, and Smart Solar + every 2 weeks. Most recently, i.Solar was updated on October 10, 2026 and Smart Solar + on October 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.*