# KPS FASTCHECK vs Calculadora Solar

The clearest difference is update cadence: Calculadora Solar at every 2 weeks against KPS FASTCHECK's every 3 months. Calculadora Solar also leads on iOS requirement (12.0 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.

KPS FASTCHECK ships an update every 3 months, Calculadora Solar every 2 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | KPS FASTCHECK | Calculadora Solar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 26 MB | 31 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MGL APPA CORPORATION](https://appshunter.io/developer/1121102475) | [Alberto Segovia](https://appshunter.io/developer/1724272655) |

## What reviewers say

### KPS FASTCHECK

[App page](https://appshunter.io/ios/app/kps-fastcheck/id1670773661)

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

**In-app purchases:** none


### Calculadora Solar

[App page](https://appshunter.io/ios/app/calculadora-solar/id6680153639)

**In-app purchases:** none


## Frequently asked questions

### Is KPS FASTCHECK free?

KPS FASTCHECK is free to download, with no in-app purchases.

### Is Calculadora Solar free?

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

### Do KPS FASTCHECK or Calculadora Solar have ads?

Neither KPS FASTCHECK nor Calculadora Solar shows ads.

### Which is updated more often, KPS FASTCHECK or Calculadora Solar?

KPS FASTCHECK ships an update every 3 months, and Calculadora Solar every 2 weeks. Most recently, KPS FASTCHECK was updated on October 24, 2026 and Calculadora Solar on October 27, 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.*