EE ToolKit vs Arduino Science Journal
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
Arduino Science Journal
Transform your smartphone into a science notebook. Use your device's sensors and connect external hardware to gather real-time data, conduct experiments, and analyze findings. Ideal for students to explore the world scientifically.
- Use smartphone sensors
- Connect external Arduino sensors
- Record and analyze real-time data
- Conduct interactive experiments
- Enhance lesson plans
- Cross-platform support
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The Arduino Science Journal (formerly Science Journal, an initiative by Google) is free and allows you to gather data about the world around you by harnessing the sensors in your smartphone as well as sensors connected to Arduino. The Science Journal transforms smartphones and tablets into science notebooks that encourage students to explore their world. The Arduino Science Journal app is recommended for students from 10 to 18 years of age. About Arduino Science Journal With the Arduino Science Journal, you can learn interactively, conduct experiments and iterate on findings. • Enhance your existing lesson plans: use the Science Journal with activities and assignments you have already prepared • Classroom & home-school friendly: you don’t have to be in a classroom setting to start exploring. The Arduino Science Journal can be used to run experiments straight away, as long as you have your smartphone or tablet with you! • Move learning outside: the use of mobile devices along with the types of experiments we offer encourage students to get out of their seats and open their eyes to the world around them through the power of science • Science and data have no secrets: you can easily record your observations, store your data sensors in real-time and analyse them, just as a proper scientist! • Connect the digital and the physical world from your pocket: go through a series of simple tutorials and start having fun with science With built-in device sensors as well as external hardware, you can measure light, sound, movement, and much more. You can also compare results, and even set triggers. Together with the external hardware, (not included with the app), students are enabled to conduct more complex experiments, and advance in their scientific studies. As long as the external sensors are compatible with a Bluetooth-connecting device such as a microcontroller, there is no end to what experiments the students can make. Some popular sensors that the app can work with are: light, conductivity, temperature, force, gas, heart rate, respiration, radiation, pressure, magnetism, and many more. The app is classroom-friendly, since students can sign in on any device and access their experiments to continue exploring the world, wherever they are! Permissions notice: • Bluetooth: needed to scan for Bluetooth sensor devices. • Camera: needed to take pictures to document experiments and for the brightness sensor. • Photo Library: needed to store pictures taken to document experiments and for adding existing photos from your library to experiments. • Microphone: needed for sound intensity sensor. • Push notifications: needed to inform you of recording status when backgrounding the app. Benefits of using the Arduino Science Journal • It’s free and simple to use • Easy setup: download the app and start exploring with your phone’s built-in sensors • Cross-platform support • Portable: enhance your home learning or bring your device outside to study the world around you • Fully compatible with Arduino hardware: keep experimenting with the Arduino Science Kit Physics Lab, as well as the Arduino Nano 33 BLE Sense board • Google Drive integration, as well as local download --- Terms and Conditions: https://www.arduino.cc/en/sj-terms-conditions Privacy Policy: https://www.arduino.cc/en/privacy-policy Children's Privacy Policy: https://www.arduino.cc/en/privacy-policy/children-privacy-policy
Screenshots
Verdict
The clearest difference is review sentiment: EE ToolKit at 90% against Arduino Science Journal's 59%. EE ToolKit also leads on rating (4.7 vs 4.4) and iOS requirement (12.0 vs 15.1). Arduino Science Journal's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence 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
Both are free to download. EE ToolKit sells 1 one-off in-app purchase and Arduino Science Journal sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
EE ToolKit holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 1.4K and 1.1K respectively. Written reviews point the same way: 90% of EE ToolKit's written reviews are positive against 59% of Arduino Science Journal's.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.
| Parameter | EE ToolKit | Arduino Science Journal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.4K ratings) — better | 4.4 (1.1K ratings) |
| Positive reviews | 90.2% of reviews — better | 58.7% of reviews |
| Number of ratings | 1.4K — better | 1.1K |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 289 MB | 58 MB |
| Age rating | 4+ | 9+ |
| Developer | Thomas Gruber | Arduino LLC |
Customer experience
EE ToolKit
Arduino Science Journal
User reviews
EE ToolKit
From 1.4K App Store ratingsWhat we love
- 👍 Useful tools and features
- 🚀 Comprehensive and informative
- 👍 Intuitive and easy to use
- 👍 Helpful for both beginners and professionals
- 👍 Regularly updated with improvements
Room to improve
- 🔒 Many features locked behind paywall
- 🐛 Some bugs and glitches reported
- 🔍 Limited free version functionality
- 📱 Accessibility issues for visually impaired users
Arduino Science Journal
From 1.1K App Store ratingsWhat we love
- 👍 Simple and inspiring
- 🚀 Engaging science experience
- 🤩 Turned user into a true scientist
- 🤖 Good introduction to conducting experiments
Room to improve
- 🐛 Keeps crashing
- 🐛 Blank screen issues
- 🐛 Sensors disappear or don't work
- 🤯 Overly complex and poor execution
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
Arduino Science Journal
Reported bugs
4 issues- App often crashes when trying to add sensors
- Sensor selection menu doesn't work
- Freezes on loading dashboards with blank screen
- Stopped working after iOS 15 update
Requested features
5 requests- iCloud sync
- CSV export for data analysis
- Velocity sensors using GPS
- Arduino sensor integration
- Buzzer with variable range
In-app purchases
EE ToolKit
- Complete EE ToolKit Pro Upgrade$9.99
Arduino Science Journal
- Teacher Monthly Plan1 Month trial$7.991 Month
- Yearly Teacher Plan1 Month trial$63.991 Year
Questions
Is EE ToolKit free?
Is Arduino Science Journal free?
Which has better reviews, EE ToolKit or Arduino Science Journal?
Do EE ToolKit or Arduino Science Journal have ads?
Which is updated more often, EE ToolKit or Arduino Science Journal?
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