# SolarECO vs PV

The clearest difference is update cadence: SolarECO at every 5 weeks against PV's every 2 months. 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.

SolarECO ships an update every 5 weeks, PV every 2 months. The most recent releases landed on May 16, 2026 and February 23, 2026 respectively.

## The numbers

| Metric | SolarECO | PV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 56 MB | 57 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [家豪 李](https://appshunter.io/developer/1738154766) | [林 尤](https://appshunter.io/developer/1770061598) |

## What reviewers say

### SolarECO

[App page](https://appshunter.io/ios/app/solareco/id6484594025)

**In-app purchases:** none


### PV

[App page](https://appshunter.io/ios/app/pv/id6737307229)

**In-app purchases:** none


## Frequently asked questions

### Is SolarECO free?

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

### Is PV free?

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

### Do SolarECO or PV have ads?

Neither SolarECO nor PV shows ads.

### Which is updated more often, SolarECO or PV?

SolarECO ships an update every 5 weeks, and PV every 2 months. Most recently, SolarECO was updated on May 16, 2026 and PV on February 23, 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.*