# EE ToolKit PRO for iPad vs RPN

The clearest difference is price: RPN at $2.99 against EE ToolKit PRO for iPad's $9.99. EE ToolKit PRO for iPad's advantage is review sentiment (86% vs 71%) and ratings volume (81 vs 6). On rating, update cadence, ads and in-app purchases there is nothing between them.

EE ToolKit PRO for iPad costs $9.99 and RPN $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for EE ToolKit PRO for iPad against 4.8 for RPN. That said, the two scores are not equally well evidenced: EE ToolKit PRO for iPad has 81 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 86% of EE ToolKit PRO for iPad's written reviews are positive against 71% of RPN's.

EE ToolKit PRO for iPad ships an update every 3 months, RPN every 4 months. The most recent releases landed on November 1, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | EE ToolKit PRO for iPad | RPN |
| --- | --- | --- |
| Price | $9.99 | **$2.99** |
| Rating | [4.8 (81 ratings)](https://appshunter.io/ios/app/ee-toolkit-pro-for-ipad/id393145367/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/rpn-45-hd/id424873500/reviews)** |
| Number of ratings | **81** | 6 |
| Positive reviews | **86.2% of reviews** | 70.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Paid | Paid |
| Size | 289 MB | 58 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [CuVee Software](https://appshunter.io/developer/424873503) |

## 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


### RPN

[App page](https://appshunter.io/ios/app/rpn-45-hd/id424873500)

This app meticulously simulates a 1973 scientific calculator, offering an authentic vintage experience with advanced features. It includes a paper tape printer, complex number calculations, and enhanced statistical functions. Users can customize its appearance and even use it as a timer or chess clock.

**Highlights:** Photo-realistic HP-45 simulation, Animated keys with feedback, Full HP-45 function implementation, Paper tape printer with export, Complex number calculations, Enhanced statistical functions, Timer and chess clock modes

**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 RPN free?

RPN costs $2.99, with no in-app purchases.

### Which has better reviews, EE ToolKit PRO for iPad or RPN?

RPN is rated higher. EE ToolKit PRO for iPad averages 4.8 out of 5 from 81 ratings, while RPN averages 4.8 from 6 ratings.

### Do EE ToolKit PRO for iPad or RPN have ads?

Neither EE ToolKit PRO for iPad nor RPN shows ads.

### Which is updated more often, EE ToolKit PRO for iPad or RPN?

EE ToolKit PRO for iPad ships an update every 3 months, and RPN every 4 months. Most recently, EE ToolKit PRO for iPad was updated on November 1, 2026 and RPN on October 23, 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.*