# PV Master vs Zeta Cloud

The clearest difference is in-app purchases: Zeta Cloud at none against PV Master's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PV Master sells 4 in-app purchases, starting at $4.99 per month. Zeta Cloud asks for nothing beyond the download.

PV Master ships an update every 8 days, Zeta Cloud fortnightly. Both last shipped on October 16, 2026.

## The numbers

| Metric | PV Master | Zeta Cloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (23 ratings)](https://appshunter.io/ios/app/pv-master-solar-panel-system/id396636193/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 17.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 28 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BigBalli Consulting llc](https://appshunter.io/developer/363765325) | [SINOTECH Company Limited](https://appshunter.io/developer/1831659710) |

## What reviewers say

### PV Master

[App page](https://appshunter.io/ios/app/pv-master-solar-panel-system/id396636193)

This app helps you harness solar energy by providing accurate solar data, weather integration, and tools to optimize your solar panel setup. It offers comprehensive calculators for energy needs, panel requirements, and battery storage, along with guides and a glossary for informed decisions.

**Highlights:** Accurate solar data based on location, Weather data integration, Solar potential insights, Panel positioning tool, Comprehensive energy calculators, Guides, FAQs, and glossary

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $4.99 | per month |
| Yearly | $49.99 | per year |
| Location Solar Panel Data | $0.99 | one-time |
| Lifetime | $59.99 | one-time |


### Zeta Cloud

[App page](https://appshunter.io/ios/app/zeta-cloud/id6749664684)

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

**In-app purchases:** none


## Frequently asked questions

### Is PV Master free?

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

### Is Zeta Cloud free?

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

### Do PV Master or Zeta Cloud have ads?

Neither PV Master nor Zeta Cloud shows ads.

### Which is updated more often, PV Master or Zeta Cloud?

PV Master ships an update every 8 days, and Zeta Cloud fortnightly. Most recently, PV Master was updated on October 16, 2026 and Zeta Cloud on October 16, 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.*