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.
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.
- 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
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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
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.
- 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
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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 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
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.
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.
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.
| Parameter | EE ToolKit PRO for iPad | CrewBid |
|---|---|---|
| Price | $7.99 | Free — better |
| Rating | 4.8 (79 ratings) — better | 3.9 (227 ratings) |
| Positive reviews | 86.2% of reviews — better | 51.0% of reviews |
| Number of ratings | 79 | 227 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPad | iPad |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 289 MB | 52 MB |
| Age rating | 4+ | 17+ |
| Developer | Thomas Gruber | Vector Victor Ventures LLC |
Customer experience
EE ToolKit PRO for iPad
CrewBid
User reviews
EE ToolKit PRO for iPad
From 79 App Store ratingsWhat 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 ratingsWhat 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
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- 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
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- 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
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- 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
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- Rely less on internet connectivity
- Stop checking subscription each time
- Beta test app before release
In-app purchases
EE ToolKit PRO for iPad
No in-app purchases
CrewBid
- 1 Month Subscription$3.99
- Monthly Max Subscription$5.99
- Monthly Max Subscription$6.99
Show 1 moreShow fewer
- 6 Month Subscription$21.99
Questions
Is EE ToolKit PRO for iPad free?
Is CrewBid free?
Which has better reviews, EE ToolKit PRO for iPad or CrewBid?
Do EE ToolKit PRO for iPad or CrewBid have ads?
Which is updated more often, EE ToolKit PRO for iPad or CrewBid?
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