# PvMeter Mobile vs PV Calculator.

The clearest difference is in-app purchases: PvMeter Mobile at none against PV Calculator.'s 1. PvMeter Mobile also leads on iOS requirement (11.4 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

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

PvMeter Mobile ships an update every 11 months, PV Calculator. every 7 months. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PvMeter Mobile | PV Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pv-calculator/id6758427564/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 7 months** |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 52 MB |
| Requires iOS | **11.4** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mylight Systems SAS](https://appshunter.io/developer/878095248) | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) |

## What reviewers say

### PvMeter Mobile

[App page](https://appshunter.io/ios/app/pvmeter-mobile/id934354658)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 PvMeter Mobile free?

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

### Is PV Calculator. free?

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

### Do PvMeter Mobile or PV Calculator. have ads?

Neither PvMeter Mobile nor PV Calculator. shows ads.

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

PvMeter Mobile ships an update every 11 months, and PV Calculator. every 7 months. Most recently, PvMeter Mobile was updated on November 1, 2026 and PV Calculator. on November 5, 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.*