Comparison

EE ToolKit vs Electrical Troubleshooting MS

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

Head to head
About

EE ToolKit

This comprehensive toolkit offers over 160 electronic applications, calculators, and reference tools for engineers, students, and hobbyists. It features a multi-functional keyboard, color code tools, audio scope, frequency generator, and component references with datasheet access. The app supports real-time circuit simulations and includes a file manager for saving calculations.

Highlights
  • Over 160 electronic applications
  • Multi-functional keyboard
  • Color code and SMD code tools
  • Audio scope and frequency pitch detector
  • Frequency generator
  • Component reference section with datasheet access
  • Real-time circuit simulations
Features
Read full description

This is the brand-new Electronics Engineering ToolKit! The HIGHLY RATED and RECOMMENDED productivity app. Users say it is the BEST and MOST PRACTICAL Electronics App in the whole 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! !!! This is a UNIVERSAL App - for iPhone and iPad !!! With In-App upgrade to PRO. If you don't like In-App purchases, you can also download the PRO version (red icon with PRO text) which is full PRO from the beginning without any In-App purchase. 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

Electrical Troubleshooting MS

Learn to troubleshoot electrical circuits with a virtual voltmeter and PLC logic. This app offers 17 random electrical problems for a challenging learning experience, allowing you to practice identifying issues in motor starters and control circuits.

Highlights
  • 17 random electrical problems
  • Virtual voltmeter with probes
  • Animated motor starter
  • Switch between schematic and PLC logic
  • Troubleshooting Assistant
  • Normal and troubleshooting modes
Features
Read full description

Totally FREE! No ads or pop-ups! How this App Works: This app has 17 different electrical problems that are randomly selected to provide a fun and challenging learning experience. It is certain to help you become more proficient in troubleshooting with a voltmeter. The motor starter is animated so that you can SEE the different contact configurations between forward and reverse. Another unique feature of this app is the ability to instantly switch back and forth between the control schematic and the real time PLC logic. There is also a "Troubleshooting Assistant" to help test the control circuit and find the problems. The app is initially in normal mode. This allows you to experience: - How a reversing starter works. - How to use the virtual voltmeter probes to measure voltages at various test points (small black squares, which turn red when the voltmeter makes contact with them) in the control circuit. - Analyze the PLC logic, when the starter is in various control modes Run (FWD & Rev), Off and Auto (FWD & REV). The HMI only has control in Auto. The selector switches work as indicated by control circuit. After the you understand how the motor starter works in the various control modes, you can check your troubleshooting skills by going to "Settings" (touch the 'More' button (at the top of the app) and then the gear icon) and selecting troubleshooting mode. Touch the "Arrow Back" icon to return to the control schematic. You will notice that the screen background has turned a light green, indicating that it is in troubleshooting mode and has a problem that needs to be found. Use the "Troubleshooting assistant" at the top, right side of the control schematic to help set the operator switches for testing. Use the voltmeter probes and PLC logic screen to identify the problem. Once you believe that you have identified the problem, touch "Problem Identified" button at the top of the app. A list of possible problems will appear. If you cannot determine the problem, at the bottom of the list, there is an item to provide the answer. If you desire to put the control system back in to normal (Non Troubleshooting Mode - No electrical problems) to learn more about how it is suppose to work, go to the settings section and unselect "Troubleshooting Mode". It is truly a great learning tool for anybody that wants to be able to fully utilize a voltmeter to troubleshoot a control circuit.

Screenshots

EE ToolKit4 screens
Electrical Troubleshooting MS4 screens

Verdict

The call

The clearest difference is in-app purchases: Electrical Troubleshooting MS at none against EE ToolKit's 1. Electrical Troubleshooting MS also leads on update cadence (weekly vs every 3 months). EE ToolKit's advantage is ratings volume (1.4K vs 118). On price, rating, review sentiment and ads 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

Both are free to download. EE ToolKit sells 1 one-off in-app purchase. Electrical Troubleshooting MS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for EE ToolKit against 4.8 for Electrical Troubleshooting MS. That said, the two scores are not equally well evidenced: EE ToolKit has 1.4K ratings behind it against 118, so its average is the more settled of the two. Written reviews are what separate them: 90% of EE ToolKit's written reviews are positive against 88% of Electrical Troubleshooting MS's.

UpkeepUpdate frequency

EE ToolKit ships an update every 3 months, Electrical Troubleshooting MS weekly. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
EE ToolKit versus Electrical Troubleshooting MS: the parameters behind the verdict, then further details
ParameterEE ToolKitElectrical Troubleshooting MS
PriceFreeFree
Rating4.7 (1.4K ratings)4.8 (118 ratings) — better
Positive reviews90.2% of reviews — better88.2% of reviews
Number of ratings1.4K — better118
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size289 MB22 MB
Age rating4+4+
DeveloperThomas GruberDavid White

Customer experience

EE ToolKit

All ratings1,397 ratings
Positive92.5%
Neutral3.3%
Negative4.2%
Written reviews582 reviews
Positive90.2%
Neutral2.7%
Negative7.0%

Electrical Troubleshooting MS

All ratings118 ratings
Positive95.8%
Neutral1.7%
Negative2.5%
Written reviews17 reviews
Positive88.2%
Neutral0.0%
Negative11.8%

Bugs and requests

EE ToolKit

Reported bugs

2 issues
  • Locked features not unlocking properly
  • Certain tools and calculators not functioning as expected

Requested features

4 requests
  • Add circuit simulation capabilities
  • Include more microcontroller and automotive-related content
  • Improve zooming and readability on certain screens
  • Implement Kirchhoff's laws and node analysis tools

Electrical Troubleshooting MS

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

EE ToolKit

One-time1
  • Complete EE ToolKit Pro Upgrade$9.99
None

Electrical Troubleshooting MS

No in-app purchases

Questions

Is EE ToolKit free?
EE ToolKit is free to download, with in-app purchases available.
Is Electrical Troubleshooting MS free?
Electrical Troubleshooting MS is free to download, with no in-app purchases.
Which has better reviews, EE ToolKit or Electrical Troubleshooting MS?
Electrical Troubleshooting MS is rated higher. EE ToolKit averages 4.7 out of 5 from 1.4K ratings, while Electrical Troubleshooting MS averages 4.8 from 118 ratings.
Do EE ToolKit or Electrical Troubleshooting MS have ads?
Neither EE ToolKit nor Electrical Troubleshooting MS shows ads.
Which is updated more often, EE ToolKit or Electrical Troubleshooting MS?
EE ToolKit ships an update every 3 months, and Electrical Troubleshooting MS weekly. Most recently, EE ToolKit was updated on September 23, 2026 and Electrical Troubleshooting MS on September 19, 2026.

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