# PV Master vs PV Calculator.

The clearest difference is rating: PV Calculator. at 5.0 against PV Master's 4.3. PV Calculator. also leads on iOS requirement (13.0 vs 17.0). PV Master's advantage is update cadence (every 8 days vs every 7 months) and ratings volume (23 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. PV Master sells 4 in-app purchases, starting at $4.99 per month and PV Calculator. sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PV Calculator. holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: PV Master has 23 ratings behind it against 2, so its average is the more settled of the two.

PV Master ships an update every 8 days, PV Calculator. every 7 months. The most recent releases landed on September 16, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | PV Master | PV Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (23 ratings)](https://appshunter.io/ios/app/pv-master-solar-panel-system/id396636193/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pv-calculator/id6758427564/reviews)** |
| Number of ratings | **23** | 2 |
| Positive reviews | 17.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 25 MB | 52 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BigBalli Consulting llc](https://appshunter.io/developer/363765325) | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) |

## 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 |


### PV Calculator.

[App page](https://appshunter.io/ios/app/pv-calculator/id6758427564)

This tool simplifies solar photovoltaic system design and analysis for professionals and students. It offers a comprehensive Energy Hub with multiple calculators, providing instant results, visual charts, and clear insights for efficient PV system planning and optimization.

**Highlights:** Energy Hub with multiple solar calculators, Calculate solar panel power output, Analyze energy generation (daily, monthly, yearly), Design solar array size, Calculate system voltage and configuration, Instant calculation results, Visual charts and performance summaries

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $9.99 | one-time |


## Frequently asked questions

### Is PV Master free?

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

### Is PV Calculator. free?

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

### Which has better reviews, PV Master or PV Calculator.?

PV Calculator. is rated higher. PV Master averages 4.3 out of 5 from 23 ratings, while PV Calculator. averages 5.0 from 2 ratings.

### Do PV Master or PV Calculator. have ads?

Neither PV Master nor PV Calculator. shows ads.

### Which is updated more often, PV Master or PV Calculator.?

PV Master ships an update every 8 days, and PV Calculator. every 7 months. Most recently, PV Master was updated on September 16, 2026 and PV Calculator. on August 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.*