# EE ToolKit PRO for iPad vs Grindcalculator

The clearest difference is rating: EE ToolKit PRO for iPad at 4.8 against Grindcalculator's 1.0. EE ToolKit PRO for iPad also leads on ratings volume (79 vs 1) and iOS requirement (12.0 vs 26.0). Grindcalculator's advantage is update cadence (every 4 days vs every 3 months) and price ($6.99 vs $7.99). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

EE ToolKit PRO for iPad costs $7.99 and Grindcalculator $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EE ToolKit PRO for iPad holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: EE ToolKit PRO for iPad has 79 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 86% of EE ToolKit PRO for iPad's written reviews are positive against 85% of Grindcalculator's.

EE ToolKit PRO for iPad ships an update every 3 months, Grindcalculator every 4 days. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | EE ToolKit PRO for iPad | Grindcalculator |
| --- | --- | --- |
| Price | $7.99 | **$6.99** |
| Rating | **[4.8 (79 ratings)](https://appshunter.io/ios/app/ee-toolkit-pro-for-ipad/id393145367/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/grindcalculator/id1660469778/reviews) |
| Number of ratings | **79** | 1 |
| Positive reviews | **86.2% of reviews** | 84.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 289 MB | 9 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [RoWo UG](https://appshunter.io/developer/1660469780) |

## 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


### Grindcalculator

[App page](https://appshunter.io/ios/app/grindcalculator/id1660469778)

This tool simplifies knife sharpening by calculating the correct angle, eliminating the need for manual marking. Save custom sharpening angles and grinding wheel dimensions for consistent results across various brands and types of sharpening tools.

**Highlights:** Precise angle calculation, Eliminates manual marking, Save custom angles, Save grinding wheel dimensions, Supports all grinder brands, Offline functionality

**In-app purchases:** none


## Frequently asked questions

### Is EE ToolKit PRO for iPad free?

EE ToolKit PRO for iPad costs $7.99, with no in-app purchases.

### Is Grindcalculator free?

Grindcalculator costs $6.99, with no in-app purchases.

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

EE ToolKit PRO for iPad is rated higher. EE ToolKit PRO for iPad averages 4.8 out of 5 from 79 ratings, while Grindcalculator averages 1.0 from 1 ratings.

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

Neither EE ToolKit PRO for iPad nor Grindcalculator shows ads.

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

EE ToolKit PRO for iPad ships an update every 3 months, and Grindcalculator every 4 days. Most recently, EE ToolKit PRO for iPad was updated on October 17, 2026 and Grindcalculator on October 7, 2026.

---

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