# TommaTech vs i.Solar

The clearest difference is update cadence: i.Solar at weekly against TommaTech's every 6 weeks. TommaTech's advantage is iOS requirement (11.0 vs 15.0). On price, review sentiment, 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.

TommaTech ships an update every 6 weeks, i.Solar weekly. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | TommaTech | i.Solar |
| --- | --- | --- |
| 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 | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 68 MB | 51 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TommaTech GmbH](https://appshunter.io/developer/1564701290) | [Trusted UPS Manufacturing Company](https://appshunter.io/developer/1632202346) |

## What reviewers say

### TommaTech

[App page](https://appshunter.io/ios/app/tommatech/id1564701288)

Monitor your inverter's real-time performance, including power generation and consumption. Analyze operational data at a minute level to ensure optimal inverter function.

**Highlights:** Real-time inverter data viewing, Minute-level statistical analysis, Online status tracking, Power generation monitoring, Power consumption tracking

**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 TommaTech free?

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

### Is i.Solar free?

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

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

Neither TommaTech nor i.Solar shows ads.

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

TommaTech ships an update every 6 weeks, and i.Solar weekly. Most recently, TommaTech was updated on October 4, 2026 and i.Solar on October 10, 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.*