# PV Calculator. vs Solar Potential Tracker

The clearest difference is in-app purchases: Solar Potential Tracker at none against PV Calculator.'s 1. Solar Potential Tracker also leads on update cadence (every 4 weeks vs every 7 months). PV Calculator.'s advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PV Calculator. sells 1 one-off in-app purchase. Solar Potential Tracker asks for nothing beyond the download.

PV Calculator. ships an update every 7 months, Solar Potential Tracker every 4 weeks. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | PV Calculator. | Solar Potential Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pv-calculator/id6758427564/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 67 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) | [Zia Ur Rahman](https://appshunter.io/developer/1529429081) |

## What reviewers say

### 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 |


### Solar Potential Tracker

[App page](https://appshunter.io/ios/app/solar-potential-tracker/id6769672233)

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

**In-app purchases:** none


## Frequently asked questions

### Is PV Calculator. free?

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

### Is Solar Potential Tracker free?

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

### Do PV Calculator. or Solar Potential Tracker have ads?

Solar Potential Tracker shows ads; PV Calculator. does not.

### Which is updated more often, PV Calculator. or Solar Potential Tracker?

PV Calculator. ships an update every 7 months, and Solar Potential Tracker every 4 weeks. Most recently, PV Calculator. was updated on October 17, 2026 and Solar Potential Tracker on October 21, 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.*