Comparison

PixelCalc vs AirDrive

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PixelCalc

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
Read full description

PixelCalc is a very convenient tool for anyone working with digital images, whether from a Camera, scanner or other input device. It is especially useful for graphic designers who work with both Web and Print media. Either of these two areas of media frequently require conversions from Pixels to Inches and Inches to Pixels along with a desired Resolution (i.e. hi-res, medium-res or low-res). Now includes a Proportional Calculator and useful Reference Charts. Proportional Calculator The Proportional Calculator will instantly calculate enlargements or reductions of images, photos, artwork, layouts, or any kind of design. Basically, anything that needs to be resized accurately while maintaining perfect proportions, the Proportional Calculator will do it. Contains the following handy reference charts: -Maximum Print Size per Megapixels (different resolutions) -Maximum Print Sizes (in inches) by Megapixels @ 300ppi -Shutter Speed Chart (Useful camera tool for perfect shots!) -See the charts in the app for detailed reference information

About

AirDrive

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
Read full description

Finally use your iPhone/iPad/iPod as an external hard drive; view and share your photos, videos, musics and other documents on the go. Connect your iDevices to computers and smart phones without iTunes or other third part software, and share files easily. Download musics, videos and other stuffs on the internet. Protect all your data with a pass lock… AirDrive does it all ! AirDrive combines wifi server features with a powerful file manager; it is now easy to connect your iPhone* to computers and smart phones, and use it as an external hard drive, to share files and view them on the go. No need for iTunes, special cables or other software to connect your iPhone: the only thing required is an internet wifi connection. Simply share photos, videos and musics with your friends when you see them. Import several photos and videos at once from your camera roll and albums and share them with your friends. Import musics from your iPod library and share them too! Your friends can also upload their photos, videos, musics and other files to your iPhone* and you can then view/play them and save the photos in videos all at once in your camera roll. Import files from any other apps that support file sharing (mail attachments, file manager apps, editing apps…): view them and protect them into the app with a pass lock. Download files on the internet and in other files sharing apps; download several files in the background while seeing photos/videos or creating notes. Let your friends download your files with their computers and smart phones. And so many other features that we could continue for hours ..! Main app features: - Connect your iPhone* to computers as an external hard drive and easily transfer files, create folders to organize them, view them and share them on the go. Works with Mac and Windows computers. - Connect your iPhone* to computers and smart phones by simply entering the app server url: let your friends download your files and upload theirs without itunes, special cables or software. - Import several photos and videos into the app to protect them or share them. - Import musics from your iPod library play and share them ! - Organize your files on the go: create folders, rename your files, copy, move them at specific locations, delete and save them. - Create drawing, audio and text notes directly in the app. -Of course you can also transfer file with iTunes and its file sharing feature. - Protect all your data with a pass lock. - Share all your files by email, with other apps and on social networks. If you have issues with the app, write us an email at support@seb-appstore.com. If you report a problem in your review, unfortunately we can not contact you and help you out. Check out many great other apps at www.SEB-AppStore.com iPhone*: iPhone, iPod and iPad devices

Screenshots

PixelCalc4 screens
AirDrive4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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

Scorecard3 real differences · 7 level
PixelCalc versus AirDrive: the parameters behind the verdict, then further details
ParameterPixelCalcAirDrive
Price$2.99 — better$4.99
Rating—1.0 (1 ratings) — better
Positive reviews41.7% of reviews — better26.1% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 months — betterEvery 12 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size4 MB10 MB
Age rating4+17+
DeveloperJohn LullieSebastien BUET

Customer experience

PixelCalc

Written reviews12 reviews
Positive41.7%
Neutral16.7%
Negative41.7%

AirDrive

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews23 reviews
Positive26.1%
Neutral4.3%
Negative69.6%

In-app purchases

None

PixelCalc

No in-app purchases

None

AirDrive

No in-app purchases

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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