# EE ToolKit vs Vibra Calc

The clearest difference is rating: EE ToolKit at 4.7 against Vibra Calc's 4.0. EE ToolKit also leads on review sentiment (90% vs 50%) and update cadence (every 3 months vs every 39 months). Vibra Calc's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. EE ToolKit sells 1 one-off in-app purchase. Vibra Calc asks for nothing beyond the download.

EE ToolKit holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: EE ToolKit has 1.4K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 90% of EE ToolKit's written reviews are positive against 50% of Vibra Calc's.

EE ToolKit ships an update every 3 months, Vibra Calc every 39 months. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | EE ToolKit | Vibra Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.4K ratings)](https://appshunter.io/ios/app/ee-toolkit/id391792609/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/vibra-calc/id458723288/reviews) |
| Number of ratings | **1.4K** | 2 |
| Positive reviews | **90.2% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 39 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 289 MB | 22 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Motionics LLC](https://appshunter.io/developer/424498959) |

## What reviewers say

### EE ToolKit

[App page](https://appshunter.io/ios/app/ee-toolkit/id391792609)

This comprehensive toolkit offers over 160 electronic applications, calculators, and reference tools for engineers, students, and hobbyists. It features a multi-functional keyboard, color code tools, audio scope, frequency generator, and component references with datasheet access. The app supports real-time circuit simulations and includes a file manager for saving calculations.

**Highlights:** Over 160 electronic applications, Multi-functional keyboard, Color code and SMD code tools, Audio scope and frequency pitch detector, Frequency generator, Component reference section with datasheet access, Real-time circuit simulations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Complete EE ToolKit Pro Upgrade | $9.99 | one-time |

**What reviewers like**

- 👍 Useful tools and features
- 🚀 Comprehensive and informative
- 👍 Intuitive and easy to use
- 👍 Helpful for both beginners and professionals
- 👍 Regularly updated with improvements

**What reviewers complain about**

- 🔒 Many features locked behind paywall
- 🐛 Some bugs and glitches reported
- 🔍 Limited free version functionality
- 📱 Accessibility issues for visually impaired users

**Reported bugs**

- Locked features not unlocking properly
- Certain tools and calculators not functioning as expected

**Requested features**

- Add circuit simulation capabilities
- Include more microcontroller and automotive-related content
- Improve zooming and readability on certain screens
- Implement Kirchhoff's laws and node analysis tools


### Vibra Calc

[App page](https://appshunter.io/ios/app/vibra-calc/id458723288)

This app calculates vibration frequencies for various rotating machinery components and includes an interactive vibration severity test tool. It also offers a calculator for converting vibration units and a glossary of terms.

**Highlights:** Induction motor frequency calculation, Detailed gear frequencies, Rolling element bearing frequencies, Pump and fan vane pass frequencies, Journal bearing frequencies, Interactive vibration severity test, Vibration unit conversion

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

**In-app purchases:** none


## Frequently asked questions

### Is EE ToolKit free?

EE ToolKit is free to download, with in-app purchases available.

### Is Vibra Calc free?

Vibra Calc is free to download, with no in-app purchases.

### Which has better reviews, EE ToolKit or Vibra Calc?

EE ToolKit is rated higher. EE ToolKit averages 4.7 out of 5 from 1.4K ratings, while Vibra Calc averages 4.0 from 2 ratings.

### Do EE ToolKit or Vibra Calc have ads?

Neither EE ToolKit nor Vibra Calc shows ads.

### Which is updated more often, EE ToolKit or Vibra Calc?

EE ToolKit ships an update every 3 months, and Vibra Calc every 39 months. Most recently, EE ToolKit was updated on October 18, 2026 and Vibra Calc on October 14, 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.*