EE ToolKit vs SIMO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
SIMO
This app provides a MATLAB development environment for iOS devices, allowing users to create, edit, and run MATLAB code locally. It's designed for beginners and students learning MATLAB basics, offering essential syntax and functions without requiring an internet connection.
- MATLAB interpreter for beginners
- Create, edit, and run MATLAB code
- 100% on-device computation
- Offline functionality
- Real-time plot rendering
- Command console with syntax highlighting
- File manager with iCloud sync
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~~~~~~~~~ Check out our FREE app Console, which is powered by SIMO's MATLAB interpreter. If you find Console useful, SIMO is definitely suitable for you. ~~~~~~~~~ SIMO is a feature-rich development environment for MATLAB. We have developed a version of MATLAB interpreter that works for commonly used language syntax and functions for beginners. [+] Who will find SIMO useful? - Students learning the basics of MATLAB. - Course instructors of fundamental MATLAB courses. - Individuals whose works do not depend on specialised toolboxes and advanced language syntax. [+] What is SIMO? - It is an integrated environment for running MATLAB. - It allows you to create, edit, and run MATLAB code on iOS devices. - Unlike other apps that compute on the cloud, it performs computation entirely locally on device. No internet connection is needed. You don't miss a single app feature even if you are offline. [+] What SIMO cannot do? - It does not completely replace MATLAB, as it has only a subset of built-in functions of MATLAB. - It does not support advanced features such as Simulink or creating user-interface. [+] One app, all platforms - You will be amazed at how much work you can do on a phone. The app is designed to let you work effectively on smaller screens. - The iPad app features a split-screen layout. You can enjoy a full-screen workspace, or work on two views simultaneously. - The iPad app runs on Macs with Apple silicon as well. Buy one app and it works on all of the platforms. [+] MATLAB interpreter - The interpreter works for language syntax that is essential to survive a MATLAB course. It provides the most commonly used built-in functions for learners. - The interpreter computes on your device locally. You will not miss a single app feature even if you go completely offline. - SIMO comes with a full set of documentation and user guides. It is offline accessible and full-text searchable. [+] Visualization tool - Plots are rendered in real-time using your device's computing power. Operations such as updating line attributes, pan and zoom are fast and responsive. - Stunning 3D plots are rendered by the device's GPU in real-time. Pan, zoom or rotate with multi-touch gestures, trackpad or keyboard shortcuts. - Plot attributes are editable through the built-in user-interface. You can improvise with different styles without entering a single line of code. [+] Command console - You can run one or many lines of code from the command console. It supports line numbering, auto-intent and syntax highlighting. - Search over thousand lines of output data instantly. You'll never get overwhelmed by the sea of numbers. - Output data are formatted automatically to fit the screen size or app window. Data are always neatly presented however you resize the app. [+] File manager - Files can be synced across all of your iCloud Drive enabled devices (iPhone, iPad, Mac). Or, you can store them locally on device. - Tons of files buried in tons of folders? No worries. The search feature will help you find an item instantly. - It has features you expect from a useful file manager. Add, copy, delete, duplicate, move, rename, sort and more. [+] Script editor - It has features you expect from a useful script editor. Syntax highlight, auto-indent, line numbers and more. - Search for a word in a script. Replace occurrences with another word. - Recent items are accessible from your finger tip. It is a useful feature for navigating through frequently accessed files.
Screenshots
Verdict
The clearest difference is price: EE ToolKit at Free against SIMO's $4.99. EE ToolKit also leads on rating (4.7 vs 4.2) and review sentiment (90% vs 58%). SIMO's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 3 months). On ads 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
EE ToolKit is free to download; SIMO costs $4.99 up front. EE ToolKit sells 1 one-off in-app purchase. SIMO asks for nothing beyond the download.
EE ToolKit holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: EE ToolKit has 1.4K ratings behind it against 55, so its average is the more settled of the two. Written reviews point the same way: 90% of EE ToolKit's written reviews are positive against 58% of SIMO's.
EE ToolKit ships an update every 3 months, SIMO every 3 weeks. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.
| Parameter | EE ToolKit | SIMO |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.7 (1.4K ratings) — better | 4.2 (55 ratings) |
| Positive reviews | 90.2% of reviews — better | 58.1% of reviews |
| Number of ratings | 1.4K — better | 55 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 289 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Gruber | Numerical Co. |
Customer experience
EE ToolKit
SIMO
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
SIMO
Not enough reviews yet to summarise bugs or requests.
In-app purchases
EE ToolKit
- Complete EE ToolKit Pro Upgrade$9.99
SIMO
No in-app purchases
Questions
Is EE ToolKit free?
Is SIMO free?
Which has better reviews, EE ToolKit or SIMO?
Do EE ToolKit or SIMO have ads?
Which is updated more often, EE ToolKit or SIMO?
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