# i.Solar vs Fillumus

The clearest difference is in-app purchases: i.Solar at none against Fillumus's 2. i.Solar also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Fillumus sells 2 in-app purchases, starting at $2.99 per month. i.Solar asks for nothing beyond the download.

## The numbers

| Metric | i.Solar | Fillumus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (9 ratings)](https://appshunter.io/ios/app/isolar/id1632580672/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | — |
| Size | 51 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Trusted UPS Manufacturing Company](https://appshunter.io/developer/1632202346) | [Narek Ghukasyan](https://appshunter.io/developer/1865547994) |

## 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


### Fillumus

[App page](https://appshunter.io/ios/app/fillumus/id6757318654)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $24.99 | per year |


## Frequently asked questions

### Is i.Solar free?

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

### Is Fillumus free?

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

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

Neither i.Solar nor Fillumus shows ads.

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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.*