# QEC Calculator vs PixelScale

The clearest difference is update cadence: QEC Calculator at daily against PixelScale's every 9 months. QEC Calculator also leads on iOS requirement (12.0 vs 18.4). 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.

QEC Calculator ships an update daily, PixelScale every 9 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | QEC Calculator | PixelScale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/pixelscale/id6745334643/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 9 months |
| Monetization | — | Free |
| Size | 31 MB | 1 MB |
| Requires iOS | **12.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Occupational Health Clinics for Ontario Workers](https://appshunter.io/developer/930198232) | [Eugenio Liscio](https://appshunter.io/developer/1811803750) |

## What reviewers say

### QEC Calculator

[App page](https://appshunter.io/ios/app/qec-calculator/id6743707589)

**Features:** macOS Compatibility

**In-app purchases:** none


### PixelScale

[App page](https://appshunter.io/ios/app/pixelscale/id6745334643)

This utility app allows you to take precise measurements directly from your photographs. It's ideal for professionals and hobbyists needing accurate dimensions from images, supporting various units and exporting results with overlays.

**Highlights:** Import photos or take new ones, Set real-world scale, Measure any distance accurately, Export measurements with overlays, Support for multiple units, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QEC Calculator free?

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

### Is PixelScale free?

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

### Do QEC Calculator or PixelScale have ads?

Neither QEC Calculator nor PixelScale shows ads.

### Which is updated more often, QEC Calculator or PixelScale?

QEC Calculator ships an update daily, and PixelScale every 9 months. Most recently, QEC Calculator was updated on November 8, 2026 and PixelScale 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.*