# PV Master vs Legion Solar

The clearest difference is rating: PV Master at 4.3 against Legion Solar's 3.4. PV Master also leads on update cadence (every 8 days vs every 3 weeks). Legion Solar's advantage is in-app purchases (none vs 4) and review sentiment (35% vs 17%). On price, ratings volume, 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. Legion Solar asks for nothing beyond the download.

PV Master holds the better App Store score, 4.3 against 3.4. Both are backed by a comparable volume of ratings — 23 and 17 respectively. Written reviews complicate that: 17% of PV Master's written reviews are positive against 35% of Legion Solar's, so the app with the better star average is not the one people write more warmly about.

PV Master ships an update every 8 days, Legion Solar every 3 weeks. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | PV Master | Legion Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (23 ratings)](https://appshunter.io/ios/app/pv-master-solar-panel-system/id396636193/reviews)** | [3.4 (17 ratings)](https://appshunter.io/ios/app/legion-solar/id1418030840/reviews) |
| Number of ratings | **23** | 17 |
| Positive reviews | 17.1% of reviews | **34.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 25 MB | 40 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BigBalli Consulting llc](https://appshunter.io/developer/363765325) | [PLX Devices, INC.](https://appshunter.io/developer/388327605) |

## 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 |


### Legion Solar

[App page](https://appshunter.io/ios/app/legion-solar/id1418030840)

Monitor and control your solar energy system with this app. It allows for setup, calibration, and real-time tracking of energy production and consumption. View historical data and system health diagnostics.

**Highlights:** Inverter/Battery Commander Setup, Electrical system calibration, Energy production and consumption tracking, Energy production graphs, System health monitoring, Diagnostics utilities

**In-app purchases:** none


## Frequently asked questions

### Is PV Master free?

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

### Is Legion Solar free?

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

### Which has better reviews, PV Master or Legion Solar?

PV Master is rated higher. PV Master averages 4.3 out of 5 from 23 ratings, while Legion Solar averages 3.4 from 17 ratings.

### Do PV Master or Legion Solar have ads?

Neither PV Master nor Legion Solar shows ads.

### Which is updated more often, PV Master or Legion Solar?

PV Master ships an update every 8 days, and Legion Solar every 3 weeks. Most recently, PV Master was updated on October 23, 2026 and Legion Solar on October 20, 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.*