# EE ToolKit PRO for iPad vs Circuit Laboratory HD

The clearest difference is review sentiment: EE ToolKit PRO for iPad at 86% against Circuit Laboratory HD's 0%. EE ToolKit PRO for iPad also leads on update cadence (every 3 months vs every 27 months). Circuit Laboratory HD's advantage is price ($6.99 vs $9.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

EE ToolKit PRO for iPad costs $9.99 and Circuit Laboratory HD $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EE ToolKit PRO for iPad ships an update every 3 months, Circuit Laboratory HD every 27 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | EE ToolKit PRO for iPad | Circuit Laboratory HD |
| --- | --- | --- |
| Price | $9.99 | **$6.99** |
| Rating | **[4.8 (81 ratings)](https://appshunter.io/ios/app/ee-toolkit-pro-for-ipad/id393145367/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | **86.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 27 months |
| Monetization | Paid | Paid |
| Size | 289 MB | 180 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Fabrizio Boco](https://appshunter.io/developer/466239616) |

## What reviewers say

### EE ToolKit PRO for iPad

[App page](https://appshunter.io/ios/app/ee-toolkit-pro-for-ipad/id393145367)

This comprehensive toolkit offers over 160 electronic applications, calculators, and reference tools for electronics engineers, students, and hobbyists. It features a multi-functional keyboard, color code tools, audio scope, frequency generator, and component reference section with datasheet integration.

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

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Extremely useful for engineers and DIYers
- 💡 Comprehensive information and tools
- 🚀 Saves time and frustration
- ✅ Logical and easy to understand
- 💰 Excellent value for money

**What reviewers complain about**

- 🐛 Missing key components (e.g., BJT 2N3904)
- 🐛 Duplicate app versions (Pro Universal vs. Pro iPad)
- 🐛 Lack of developer response to inquiries
- 🐛 Basic functionality in some areas
- 🐛 UI needs improvement

**Reported bugs**

- BJT icon for 2N3904 exists but component is missing
- iPad version is exactly the same as iPhone/iPad Pro Universal version
- No option to go back to menu page after selecting a category
- Adjusting capacitor affects inductor circuit calculation
- PD resistors are transposed

**Requested features**

- Add BJT 2N3904 and other low noise general purpose parts
- Add wiring for On On On switch
- Add USB-C connector pin-outs
- Improve resistor divider tool to recommend resistor values
- Add vacuum tube amplifier information


### Circuit Laboratory HD

[App page](https://appshunter.io/ios/app/circuit-laboratory-hd/id1056997109)

This app allows users to design and analyze electronic circuits graphically. It supports various analysis types including DC, AC, multifrequency AC, and transient, with a wide range of components and measuring instruments.

**Highlights:** Graphical circuit design, DC analysis, AC analysis, Multifrequency AC analysis, Transient analysis, Component library, Measuring instruments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EE ToolKit PRO for iPad free?

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

### Is Circuit Laboratory HD free?

Circuit Laboratory HD costs $6.99, with no in-app purchases.

### Do EE ToolKit PRO for iPad or Circuit Laboratory HD have ads?

Neither EE ToolKit PRO for iPad nor Circuit Laboratory HD shows ads.

### Which is updated more often, EE ToolKit PRO for iPad or Circuit Laboratory HD?

EE ToolKit PRO for iPad ships an update every 3 months, and Circuit Laboratory HD every 27 months. Most recently, EE ToolKit PRO for iPad was updated on November 6, 2026 and Circuit Laboratory HD on November 2, 2026.

---

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