Comparison

AirDrive vs Resistor calc

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

Head to head
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

About

Resistor calc

Features
Read full description

Resistor Calc is an essential tool for anyone working with electronic circuits and resistors. Designed to streamline complex calculations and provide invaluable insights, this powerful app for iOS devices is a must-have in your toolkit. At the heart of Resistor Calc lies a comprehensive suite of calculators tailored to the needs of electrical engineers, students, hobbyists, and professionals. The series/parallel calculator makes it a breeze to determine the equivalent resistance for even the most intricate circuit configurations, eliminating the need for tedious manual calculations prone to errors. The LED series resistor calculator is a game-changer for those working with LED lighting systems. Simply input the required parameters, and Resistor Calc will recommend the ideal resistor value to ensure proper current limiting and protect your LEDs from potential damage, ensuring optimal performance and longevity. For three-phase circuits, the app's star-delta and delta-star converters streamline the process of switching between different wiring configurations. Whether you need to convert from star to delta or vice versa, Resistor Calc has you covered, saving you valuable time and effort. But the true standout feature of Resistor Calc is its powerful resistor color code decoder. Never again will you need to decipher those tiny colored bands manually. Simply input the color codes, and the app will instantly reveal the resistor's value, tolerance, and other essential information, making component identification a breeze and saving you countless hours of frustration. With its sleek and intuitive interface, Resistor Calc is designed for seamless navigation and ease of use. Whether you're a student grappling with complex circuit problems or a seasoned professional tackling intricate projects, this app empowers you with accurate and reliable calculations at your fingertips. Download Resistor Calc today and experience the power of efficient circuit analysis and resistor management on your iOS device. Streamline your workflow, minimize errors, and unlock new levels of productivity in your electrical engineering endeavours.

Screenshots

AirDrive4 screens
Resistor calc4 screens

Verdict

The call

The clearest difference is update cadence: Resistor calc at every 2 months against AirDrive's every 12 months. Resistor calc also leads on price ($1.99 vs $4.99). On ads, in-app purchases, device support and iOS requirement 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

AirDrive costs $4.99 and Resistor calc $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

AirDrive ships an update every 12 months, Resistor calc every 2 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 8 level
AirDrive versus Resistor calc: the parameters behind the verdict, then further details
ParameterAirDriveResistor calc
Price$4.99$1.99 — better
Rating1.0 (1 ratings) — better—
Positive reviews26.1% of reviews—
Number of ratings1 — better—
Update frequencyEvery 12 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size10 MB17 MB
Age rating17+4+
DeveloperSebastien BUETAnas Abubakar

In-app purchases

None

AirDrive

No in-app purchases

None

Resistor calc

No in-app purchases

Questions

Is AirDrive free?
AirDrive costs $4.99, with no in-app purchases.
Is Resistor calc free?
Resistor calc costs $1.99, with no in-app purchases.
Do AirDrive or Resistor calc have ads?
Neither AirDrive nor Resistor calc shows ads.
Which is updated more often, AirDrive or Resistor calc?
AirDrive ships an update every 12 months, and Resistor calc every 2 months. Most recently, AirDrive was updated on November 1, 2026 and Resistor calc on November 4, 2026.

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