# INVT IOT vs SOLAR ONE

The clearest difference is update cadence: INVT IOT at every 5 weeks against SOLAR ONE's every 4 months. SOLAR ONE's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

INVT IOT ships an update every 5 weeks, SOLAR ONE every 4 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | INVT IOT | SOLAR ONE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Size | 118 MB | 347 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市英威腾电气股份有限公司](https://appshunter.io/developer/1012943436) | [Solar One](https://appshunter.io/developer/1649006606) |

## What reviewers say

### INVT IOT

[App page](https://appshunter.io/ios/app/invt-iot/id1548433225)

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

**In-app purchases:** none


### SOLAR ONE

[App page](https://appshunter.io/ios/app/solar-one/id6443745666)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is INVT IOT free?

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

### Is SOLAR ONE free?

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

### Do INVT IOT or SOLAR ONE have ads?

Neither INVT IOT nor SOLAR ONE shows ads.

### Which is updated more often, INVT IOT or SOLAR ONE?

INVT IOT ships an update every 5 weeks, and SOLAR ONE every 4 months. Most recently, INVT IOT was updated on October 24, 2026 and SOLAR ONE on October 30, 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.*