# PixelCalc vs AirDrive

The clearest difference is update cadence: PixelCalc at every 3 months against AirDrive's every 12 months. PixelCalc also leads on review sentiment (42% vs 26%) and price ($2.99 vs $4.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

PixelCalc costs $2.99 and AirDrive $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PixelCalc ships an update every 3 months, AirDrive every 12 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | PixelCalc | AirDrive |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/airdrive-wireless-hard-drive/id781508900/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **41.7% of reviews** | 26.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 12 months |
| Monetization | Paid | Paid |
| Size | 4 MB | 10 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [John Lullie](https://appshunter.io/developer/370571602) | [Sebastien BUET](https://appshunter.io/developer/321941181) |

## What reviewers say

### PixelCalc

[App page](https://appshunter.io/ios/app/pixelcalc/id370571599)

This tool helps graphic designers and others convert image dimensions between pixels and inches at various resolutions. It also features a proportional calculator for accurate resizing and reference charts for print sizes and camera settings.

**Highlights:** Pixel to Inch conversion, Inch to Pixel conversion, Resolution adjustment, Proportional calculator for resizing, Print size reference charts, Camera shutter speed chart

**Features:** Vision Pro support

**In-app purchases:** none


### AirDrive

[App page](https://appshunter.io/ios/app/airdrive-wireless-hard-drive/id781508900)

Transform your iPhone or iPad into a wireless external hard drive. Easily transfer, view, and share photos, videos, music, and documents across devices without needing special software or cables. Secure your data with a pass lock and organize files efficiently.

**Highlights:** Wireless external hard drive functionality, File transfer without iTunes or software, View and share photos, videos, and music, Create and organize folders, Pass lock for data security, Download files from the internet, Create notes (drawing, audio, text)

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

**In-app purchases:** none


## Frequently asked questions

### Is PixelCalc free?

PixelCalc costs $2.99, with no in-app purchases.

### Is AirDrive free?

AirDrive costs $4.99, with no in-app purchases.

### Do PixelCalc or AirDrive have ads?

Neither PixelCalc nor AirDrive shows ads.

### Which is updated more often, PixelCalc or AirDrive?

PixelCalc ships an update every 3 months, and AirDrive every 12 months. Most recently, PixelCalc was updated on November 1, 2026 and AirDrive on November 1, 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.*