# SOLAR ONE vs Lucky PV

The clearest difference is update cadence: Lucky PV at monthly against SOLAR ONE's every 4 months. SOLAR ONE's advantage is iOS requirement (13.0 vs 15.6). 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.

SOLAR ONE ships an update every 4 months, Lucky PV monthly. The most recent releases landed on September 9, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | SOLAR ONE | Lucky PV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (3 ratings)](https://appshunter.io/ios/app/lucky-pv/id6472631726/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Free |
| Size | 347 MB | 34 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Solar One](https://appshunter.io/developer/1649006606) | [Foshan Top One Power Technology Co.,Ltd](https://appshunter.io/developer/1717366287) |

## What reviewers say

### SOLAR ONE

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Lucky PV

[App page](https://appshunter.io/ios/app/lucky-pv/id6472631726)

Monitor equipment like inverters and controllers in real-time. Receive alarm notifications, analyze power generation, and generate reports to manage operations efficiently and promote energy savings.

**Highlights:** Real-time equipment monitoring, Alarm notifications, Power generation analysis, Operational reports, Energy saving insights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SOLAR ONE free?

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

### Is Lucky PV free?

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

### Do SOLAR ONE or Lucky PV have ads?

Neither SOLAR ONE nor Lucky PV shows ads.

### Which is updated more often, SOLAR ONE or Lucky PV?

SOLAR ONE ships an update every 4 months, and Lucky PV monthly. Most recently, SOLAR ONE was updated on September 9, 2026 and Lucky PV on June 11, 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.*