# QRFilePro vs Resistor Color Code Calc Lite

The clearest difference is price: QRFilePro at Free against Resistor Color Code Calc Lite's $2.99. Resistor Color Code Calc Lite's advantage is update cadence (every 2 days vs every 2 months) and iOS requirement (15.1 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

QRFilePro is free to download; Resistor Color Code Calc Lite costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QRFilePro ships an update every 2 months, Resistor Color Code Calc Lite every 2 days. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | QRFilePro | Resistor Color Code Calc Lite |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 19 MB | 31 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oliver Kuck](https://appshunter.io/developer/1119149281) | [Murat Yasin YAZDIRAN](https://appshunter.io/developer/1835040365) |

## What reviewers say

### QRFilePro

[App page](https://appshunter.io/ios/app/qrfilepro/id6478815677)

**Features:** macOS Compatibility

**In-app purchases:** none


### Resistor Color Code Calc Lite

[App page](https://appshunter.io/ios/app/resistor-color-code-calc-lite/id6753876120)

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

**In-app purchases:** none


## Frequently asked questions

### Is QRFilePro free?

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

### Is Resistor Color Code Calc Lite free?

Resistor Color Code Calc Lite costs $2.99, with no in-app purchases.

### Do QRFilePro or Resistor Color Code Calc Lite have ads?

Neither QRFilePro nor Resistor Color Code Calc Lite shows ads.

### Which is updated more often, QRFilePro or Resistor Color Code Calc Lite?

QRFilePro ships an update every 2 months, and Resistor Color Code Calc Lite every 2 days. Most recently, QRFilePro was updated on October 4, 2026 and Resistor Color Code Calc Lite on October 8, 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.*