# EE ToolKit PRO vs DCircuit Lab

The clearest difference is review sentiment: EE ToolKit PRO at 90% against DCircuit Lab's 11%. EE ToolKit PRO also leads on rating (4.9 vs 3.0) and ratings volume (293 vs 3). DCircuit Lab's advantage is price ($3.99 vs $9.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

EE ToolKit PRO costs $9.99 and DCircuit Lab $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EE ToolKit PRO holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: EE ToolKit PRO has 293 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 90% of EE ToolKit PRO's written reviews are positive against 11% of DCircuit Lab's.

EE ToolKit PRO ships an update every 3 months, DCircuit Lab every 10 months. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | EE ToolKit PRO | DCircuit Lab |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | **[4.9 (293 ratings)](https://appshunter.io/ios/app/ee-toolkit-pro/id368780426/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/dcircuit-lab/id382544208/reviews) |
| Number of ratings | **293** | 3 |
| Positive reviews | **89.6% of reviews** | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Monetization | Paid | Paid |
| Size | 289 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Fabrizio Boco](https://appshunter.io/developer/466239616) |

## What reviewers say

### EE ToolKit PRO

[App page](https://appshunter.io/ios/app/ee-toolkit-pro/id368780426)

This comprehensive toolkit offers over 160 electronic applications, calculators, and reference sections for electronics engineers, students, and hobbyists. It includes features like a multi-functional keyboard, color code tools, audio scope, and circuit simulations, with ongoing improvements and updates.

**Highlights:** Over 160 electronic applications, Multi-functional keyboard, Color code and SMD code tools, Audio scope and frequency generator, Component reference section with datasheets, 555 Timer tools, PCB trace impedance calculators, Real-time circuit simulations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Top-notch tool
- 👍 Extremely helpful
- 🔥 Invaluable for electronics work
- 💯 Excellent app
- 🔍 Comprehensive reference

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 UI could be more intuitive
- 📱 Some features not optimized for mobile
- 🔢 Limited functionality for advanced users

**Reported bugs**

- 7400 routine causes app to close
- Resistor value calculation issues
- Compatibility problems with newer iOS versions

**Requested features**

- Add support for vacuum tubes
- Implement logarithmic frequency sweep
- Include more component pinout information
- Integrate a circuit builder/simulator
- Add DB to RMS and peak-to-peak conversion


### DCircuit Lab

[App page](https://appshunter.io/ios/app/dcircuit-lab/id382544208)

Design and simulate digital circuits with a comprehensive set of tools. Explore combinatorial and sequential logic, including gates, flip-flops, and custom components. Dynamic simulation with timing charts helps analyze circuit behavior.

**Highlights:** Combinatorial and sequential circuit simulation, Single-step and step-by-step simulation modes, Dynamic simulation with timing charts, Wide range of logic gates and flip-flops, Custom component creation via truth tables, Integrated video tutorials

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EE ToolKit PRO free?

EE ToolKit PRO costs $9.99, with no in-app purchases.

### Is DCircuit Lab free?

DCircuit Lab costs $3.99, with no in-app purchases.

### Which has better reviews, EE ToolKit PRO or DCircuit Lab?

EE ToolKit PRO is rated higher. EE ToolKit PRO averages 4.9 out of 5 from 293 ratings, while DCircuit Lab averages 3.0 from 3 ratings.

### Do EE ToolKit PRO or DCircuit Lab have ads?

Neither EE ToolKit PRO nor DCircuit Lab shows ads.

### Which is updated more often, EE ToolKit PRO or DCircuit Lab?

EE ToolKit PRO ships an update every 3 months, and DCircuit Lab every 10 months. Most recently, EE ToolKit PRO was updated on October 13, 2026 and DCircuit Lab on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*