Comparison

EE ToolKit PRO for iPad vs CrewBid

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

Head to head
About

EE ToolKit PRO for iPad

This comprehensive toolkit offers over 160 electronic applications, calculators, and reference tools for electronics engineers, students, and hobbyists. It features a multi-functional keyboard, color code tools, audio scope, frequency generator, and component reference section with datasheet integration.

Highlights
  • Over 160 electronic applications
  • Multi-functional keyboard
  • Color code and SMD code tools
  • Audio scope and frequency detector
  • Component reference section with datasheets
  • 555 Timer tools
  • PCB trace impedance calculators
Features
Read full description

This is the brand-new Electronics Engineering ToolKit for iPad! The HIGHLY RATED and RECOMMENDED productivity app. Users say it is the BEST and MOST PRACTICAL Electronics App in the whole iTunes App Store. From an electronics enthusiast with a master's degree in Electronics Engineering. This App is for engineers, students and hobbyists and anyone interested in Electronics Engineering. The App gets CONSTANT and POWERFUL improvements! !!! Please Note: this is the EE ToolKit PRO for iPad Only !!! If you are interested in the Universal-App for iPhone and iPad, please look for the EE ToolKit App with the red icon. The EE ToolKit PRO is the preferred Electronics App at schools and universities. It is available through the Volume Purchase Program with a discount for educational institutions. Many students, teachers and professors have downloaded the App and are using it during their studies and career. WHAT OTHER USERS ARE SAYING: “Awesome app, constant and powerful improvements” This app was worth every penny I paid for it back when I bought it years ago. Since then, I’ve regularly used it at work and found it to be an excellent, quick tool to use. The most impressive aspect of this app are the constant and VERY impressive updates! Massive feature additions and very easy to use interface! The list of capabilities this app has makes it an amazing value for truly anyone involved in electronics. “Latest version makes this an exceptional tool” The EE Toolkit was always a very useful tool, but with the additions in the latest version it is truly an exceptional tool. The author is extremely diligent in managing bugs and improving the tool. “A superb app highly recommended” Fantastic application. Very useful. Always updated. Good developer. Lots of great bonus tools. Just love it. "Incredible useful, worth the money" I have had this app for a while now. Originally as an Electrical Engineering student I didnt really use it but once I was out in the field it became my bible. I definitely recommend to any engineering students/professionals alike. I also recommend buying the Pro version because it is definitely worth it. FEATURES OF THE EE TOOLKIT: Ω more than 160 electronic applications Ω amazingly great multi-functional keyboard Ω huge selection of color code tools and SMD code tools Ω audio scope and a frequency pitch detector Ω favorites page only for the tools that you have marked as favorite Ω full-featured frequency generator Ω extra large component reference section (incl. 7400 Series, PIC family, etc.) with the option to open pdf datasheets live or by e.g. iBooks Ω 555 Timer Tools with the most important application examples Ω extensive collection of Single Board Computers (more than 120 different boards!!!) Ω PCB trace impedance tools for several different structures Ω simple and quick unit conversion within the single calculators Ω fast on-the-fly conversions and calculations Ω real-time circuit simulations of the example circuits Ω support for preferred E series, sliders and min/max calculations Ω auto-save of all entries over several sessions Ω file manager to save and load individual calculations Ω built-in access to your iCloud Ω formula search tool with quick links to the tool which uses the formula Ω and many many more

About

CrewBid

This app allows pilots and flight attendants to bid on their schedules directly from their iPad. It offers advanced filtering, sorting, and preset options for efficient bidding, and integrates with other tools to simplify schedule management.

Highlights
  • 30+ Filters and Sorts
  • Save Filter/Sort Presets
  • Add awarded line to Calendar
  • SWAPtimizer integration
  • Automatic seniority and vacation display
  • Print or email bid receipt
Features
Read full description

The only bidding app built specifically for the iPad and designed for pilots and flight attendants. Bid whenever and wherever you have your new iPad - you'll never again have to drag a laptop on a trip or wait to bid until you get home. Features include: - More than 30 Filters and Sorts - Save your favorite Filter/Sort combinations as a Preset for quick access - Add your awarded line to Calendar - SWAPtimizer integration for pilots - Automatically detects your seniority number and any vacation and displays both in an intuitive fashion - Print or email your bid receipt from right within the app - Clean, user-friendly design The first month is FREE, so try it with no strings attached!

Verdict

The call

The clearest difference is price: CrewBid at Free against EE ToolKit PRO for iPad's $7.99. CrewBid also leads on update cadence (fortnightly vs every 3 months). EE ToolKit PRO for iPad's advantage is rating (4.8 vs 3.9) and review sentiment (86% vs 51%). On ratings volume, ads, 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

CrewBid is free to download; EE ToolKit PRO for iPad costs $7.99 up front. CrewBid sells 4 one-off in-app purchases. EE ToolKit PRO for iPad asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

EE ToolKit PRO for iPad holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 79 and 227 respectively. Written reviews point the same way: 86% of EE ToolKit PRO for iPad's written reviews are positive against 51% of CrewBid's.

UpkeepUpdate frequency

EE ToolKit PRO for iPad ships an update every 3 months, CrewBid fortnightly. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

Scorecard6 real differences · 4 level
EE ToolKit PRO for iPad versus CrewBid: the parameters behind the verdict, then further details
ParameterEE ToolKit PRO for iPadCrewBid
Price$7.99Free — better
Rating4.8 (79 ratings) — better3.9 (227 ratings)
Positive reviews86.2% of reviews — better51.0% of reviews
Number of ratings79227 — better
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPad
Requires iOS12.012.0
Further details — not scored
Size289 MB52 MB
Age rating4+17+
DeveloperThomas GruberVector Victor Ventures LLC

Customer experience

EE ToolKit PRO for iPad

All ratings79 ratings
Positive94.9%
Neutral2.5%
Negative2.5%
Written reviews109 reviews
Positive86.2%
Neutral3.7%
Negative10.1%

CrewBid

All ratings227 ratings
Positive69.6%
Neutral7.5%
Negative22.9%
Written reviews49 reviews
Positive51.0%
Neutral14.3%
Negative34.7%

User reviews

EE ToolKit PRO for iPad

From 79 App Store ratings

What we love

  • 👍 Extremely useful for engineers and DIYers
  • 💡 Comprehensive information and tools
  • 🚀 Saves time and frustration
  • ✅ Logical and easy to understand
  • 💰 Excellent value for money

Room to improve

  • 🐛 Missing key components (e.g., BJT 2N3904)
  • 🐛 Duplicate app versions (Pro Universal vs. Pro iPad)
  • 🐛 Lack of developer response to inquiries
  • 🐛 Basic functionality in some areas
  • 🐛 UI needs improvement

CrewBid

From 227 App Store ratings

What we love

  • 👍 Makes bidding easier
  • 👍 Great tool for bidding
  • 👍 Useful filters and sorting
  • 👍 Can be used offline
  • 👍 Better than website bidding

Room to improve

  • 🐛 Frequent updates required
  • 🐛 App freezes
  • 🐛 App crashes
  • 🐛 Subscription checking issues
  • 🐛 Internet connectivity reliance

Bugs and requests

EE ToolKit PRO for iPad

Reported bugs

8 issues
  • BJT icon for 2N3904 exists but component is missing
  • iPad version is exactly the same as iPhone/iPad Pro Universal version
  • No option to go back to menu page after selecting a category
  • Adjusting capacitor affects inductor circuit calculation
  • PD resistors are transposed
Show 3 more
  • Resistors for adjustable regulator calculator are transposed
  • Resistor/inductor impedance calculator does not work
  • Some bugs make certain circuits not function properly

Requested features

14 requests
  • Add BJT 2N3904 and other low noise general purpose parts
  • Add wiring for On On On switch
  • Add USB-C connector pin-outs
  • Improve resistor divider tool to recommend resistor values
  • Add vacuum tube amplifier information
Show 9 more
  • Add Field and waves information
  • Add transformer, inductor, and electromagnetism category
  • Include audio applications of the 555 timer
  • Add more reference circuits (active filters, op-amp, SMPS)
  • Add resistor ladder calculator
  • Add 4000 series ICs
  • Add transformer section with power factor calculations
  • Improve UI design and layout
  • Add dark mode option

CrewBid

Reported bugs

12 issues
  • App tells user to update when it is updated
  • Defective version on the store
  • App not working for new update
  • Circle just spins
  • App makes you reboot when looking away
Show 7 more
  • App gets stuck on awards page
  • App freezes when using multiple sorts
  • App crashes during award bid sort
  • Error message: not a flight attendant
  • Reinstall regularly to get updates to take
  • App requires update after filling info
  • App checks for updates after login

Requested features

8 requests
  • Biometric access
  • Buddy bid option
  • Annual subscription option
  • Pinch zoom for bid lines
  • Group selection for lines
Show 3 more
  • Rely less on internet connectivity
  • Stop checking subscription each time
  • Beta test app before release

In-app purchases

None

EE ToolKit PRO for iPad

No in-app purchases

4 purchases

CrewBid

One-time4
  • 1 Month Subscription$3.99
  • Monthly Max Subscription$5.99
  • Monthly Max Subscription$6.99
Show 1 more
  • 6 Month Subscription$21.99

Questions

Is EE ToolKit PRO for iPad free?
EE ToolKit PRO for iPad costs $7.99, with no in-app purchases.
Is CrewBid free?
CrewBid is free to download, with in-app purchases available.
Which has better reviews, EE ToolKit PRO for iPad or CrewBid?
EE ToolKit PRO for iPad is rated higher. EE ToolKit PRO for iPad averages 4.8 out of 5 from 79 ratings, while CrewBid averages 3.9 from 227 ratings.
Do EE ToolKit PRO for iPad or CrewBid have ads?
Neither EE ToolKit PRO for iPad nor CrewBid shows ads.
Which is updated more often, EE ToolKit PRO for iPad or CrewBid?
EE ToolKit PRO for iPad ships an update every 3 months, and CrewBid fortnightly. Most recently, EE ToolKit PRO for iPad was updated on September 9, 2026 and CrewBid on September 19, 2026.

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