71
BU Score
Strong
Elektronik ToolKit PRO
✍️ BU Analytics Review
“
Elektronik ToolKit PRO is an iOS app from Thomas Gruber in the Productivity category, currently rated 4.8★ across 291 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 71 — Strong (healthy traction). For a Productivity app, that means healthy traction.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 8 of 8 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (16y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Early-stage install base (291 ratings)METRIC | +$400 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jun 24
Dec 24
Feb 25
Apr 25
May 25
Nov 25
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 289 MB🔞 4+📱 iOS 12.0+🔖 v15.1.0🔄 updated 2mo ago🌐 EN, DE📂 Productivity💰 Paid🚀 Launched 2010 (16y old)
📝 About this app
This is the brand-new Electronics Engineering ToolKit PRO! 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!
!!! This is a UNIVERSAL App - for iPhone and iPad !!! 100% PRO from the beginning without any In-App purchase!
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
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!
!!! This is a UNIVERSAL App - for iPhone and iPad !!! 100% PRO from the beginning without any In-App purchase!
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
🆕 What's New · v15.1.0
Ω Smaller fixes and optimisations
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Elektronik ToolKit PRO
- Developer
- Thomas Gruber
- Bundle ID
- at.tomgru.circuitcalc
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- EN, DE
Company
- Website
- Not found
- Tagline
- Electronics Engineering Apps. PRO. And More.
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $38.9K/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- https://ee-toolkit.com/contact/
- About page
- Not found
📈Ratings growth291 ratings+1612% lifetimeShow 3-year history estimate ▾
Tracked (59 weeks) Pre-tracking estimate (35 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
💰Pricing History$0.00 → $9.99 (+0%)
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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