# Makel Smart Mobile vs SolarCalc Pro

The clearest difference is in-app purchases: Makel Smart Mobile at none against SolarCalc Pro's 2. Makel Smart Mobile also leads on device support (3 vs 1) and iOS requirement (15.2 vs 17.0). SolarCalc Pro's advantage is update cadence (monthly vs every 10 months). On price and ads there is nothing between them.

Both are free to download. SolarCalc Pro sells 2 in-app purchases, starting at $1.99 per 7 days. Makel Smart Mobile asks for nothing beyond the download.

Makel Smart Mobile ships an update every 10 months, SolarCalc Pro monthly. The most recent releases landed on October 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Makel Smart Mobile | SolarCalc Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/solarcalc-pro-off-grid-solar/id6761887441/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 56 MB | 19 MB |
| Requires iOS | **15.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MAKEL ELEKTRIK MALZEMELERI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1240225180) | [Ersel Tarhan](https://appshunter.io/developer/1093545232) |

## What reviewers say

### Makel Smart Mobile

[App page](https://appshunter.io/ios/app/makel-smart-mobile/id1642283684)

**Features:** macOS Compatibility

**In-app purchases:** none


### SolarCalc Pro

[App page](https://appshunter.io/ios/app/solarcalc-pro-off-grid-solar/id6761887441)

This app provides a comprehensive suite of offline tools for designing off-grid solar power systems. It helps users accurately size solar panels, battery banks, inverters, and charge controllers, along with estimating daily energy loads and calculating cable gauges. Essential for professionals and enthusiasts working in remote locations.

**Highlights:** Solar panel sizing calculator, Battery bank configuration, Daily load estimation, Inverter and charge controller sizing, Cable gauge calculations, Offline functionality, Calculation history

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SolarCalc Premium | $1.99 | per 7 days |
| SolarCalc Premium | $19.99 | per year |


## Frequently asked questions

### Is Makel Smart Mobile free?

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

### Is SolarCalc Pro free?

SolarCalc Pro is free to download, with in-app purchases available.

### Do Makel Smart Mobile or SolarCalc Pro have ads?

Neither Makel Smart Mobile nor SolarCalc Pro shows ads.

### Which is updated more often, Makel Smart Mobile or SolarCalc Pro?

Makel Smart Mobile ships an update every 10 months, and SolarCalc Pro monthly. Most recently, Makel Smart Mobile was updated on October 6, 2026 and SolarCalc Pro on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*