# PV Calculator Lite Version vs NetScore FSM Mobile

The clearest difference is update cadence: PV Calculator Lite Version at every 10 days against NetScore FSM Mobile's every 5 months. PV Calculator Lite Version also leads on iOS requirement (13.4 vs 15.0). 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.

PV Calculator Lite Version ships an update every 10 days, NetScore FSM Mobile every 5 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PV Calculator Lite Version | NetScore FSM Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pv-calculator-lite-version/id6459019012/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 months |
| Monetization | Free | — |
| Size | 38 MB | 17 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sven Schwertner](https://appshunter.io/developer/1700478261) | [Raj Kellampalli](https://appshunter.io/developer/1176690441) |

## What reviewers say

### PV Calculator Lite Version

[App page](https://appshunter.io/ios/app/pv-calculator-lite-version/id6459019012)

Estimate the potential of solar energy generation at your location. This tool offers detailed calculations for electricity fed into the grid, purchased electricity, annual savings, and payback time. It features site-specific solar irradiance and hourly resolution for accurate production and storage planning.

**Highlights:** Calculate electricity fed into grid and purchased, Estimate annual savings and payback time, Site-specific solar irradiance data, Hourly resolution for production and storage, Define PV modules, inverters, and load profiles, Automatic optimal orientation determination, Roof area measurement and panel positioning

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

**In-app purchases:** none


### NetScore FSM Mobile

[App page](https://appshunter.io/ios/app/netscore-fsm-mobile/id6476554169)

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

**In-app purchases:** none


## Frequently asked questions

### Is PV Calculator Lite Version free?

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

### Is NetScore FSM Mobile free?

NetScore FSM Mobile is free to download, with no in-app purchases.

### Do PV Calculator Lite Version or NetScore FSM Mobile have ads?

Neither PV Calculator Lite Version nor NetScore FSM Mobile shows ads.

### Which is updated more often, PV Calculator Lite Version or NetScore FSM Mobile?

PV Calculator Lite Version ships an update every 10 days, and NetScore FSM Mobile every 5 months. Most recently, PV Calculator Lite Version was updated on October 13, 2026 and NetScore FSM Mobile on October 7, 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.*