# EE ToolKit PRO for iPad vs m/z

The clearest difference is price: m/z at Free against EE ToolKit PRO for iPad's $7.99. m/z also leads on review sentiment (100% vs 86%) and update cadence (every 5 weeks vs every 3 months). EE ToolKit PRO for iPad's advantage is rating (4.8 vs 3.6) and ratings volume (81 vs 5). On ads and in-app purchases there is nothing between them.

m/z is free to download; EE ToolKit PRO for iPad costs $7.99 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 3.6. That said, the two scores are not equally well evidenced: EE ToolKit PRO for iPad has 81 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 86% of EE ToolKit PRO for iPad's written reviews are positive against 100% of m/z's, so the app with the better star average is not the one people write more warmly about.

EE ToolKit PRO for iPad ships an update every 3 months, m/z every 5 weeks. The most recent releases landed on October 22, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | EE ToolKit PRO for iPad | m/z |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.8 (81 ratings)](https://appshunter.io/ios/app/ee-toolkit-pro-for-ipad/id393145367/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/mz/id1117272212/reviews) |
| Number of ratings | **81** | 5 |
| Positive reviews | 86.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Paid | **Free** |
| Size | 289 MB | 3.6 GB |
| Requires iOS | 12.0 | **6.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Kirill Blinov](https://appshunter.io/developer/630833420) |

## 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


### m/z

[App page](https://appshunter.io/ios/app/mz/id1117272212)

Instantly search a vast database of chemical structures based on their exact mass. This tool helps identify compounds with masses under 340 Da, drawing from millions of entries.

**Highlights:** Find chemical structures by exact mass, Search database of known structures, Database includes over 35 million compounds, Supports masses under 340 Da, Utilizes PubChem compounds database

**Features:** macOS Compatibility

**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 m/z free?

m/z is free to download, with no in-app purchases.

### Which has better reviews, EE ToolKit PRO for iPad or m/z?

EE ToolKit PRO for iPad is rated higher. EE ToolKit PRO for iPad averages 4.8 out of 5 from 81 ratings, while m/z averages 3.6 from 5 ratings.

### Do EE ToolKit PRO for iPad or m/z have ads?

Neither EE ToolKit PRO for iPad nor m/z shows ads.

### Which is updated more often, EE ToolKit PRO for iPad or m/z?

EE ToolKit PRO for iPad ships an update every 3 months, and m/z every 5 weeks. Most recently, EE ToolKit PRO for iPad was updated on October 22, 2026 and m/z on October 11, 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.*