# EE ToolKit PRO vs Optivo Scheduler

The clearest difference is price: Optivo Scheduler at Free against EE ToolKit PRO's $9.99. EE ToolKit PRO's advantage is ratings volume (293 vs 1) and device support (3 vs 1). On rating, update cadence, ads and in-app purchases there is nothing between them.

Optivo Scheduler is free to download; EE ToolKit PRO costs $9.99 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 — 4.9 for EE ToolKit PRO against 5.0 for Optivo Scheduler. That said, the two scores are not equally well evidenced: EE ToolKit PRO has 293 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 27, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | EE ToolKit PRO | Optivo Scheduler |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.9 (293 ratings)](https://appshunter.io/ios/app/ee-toolkit-pro/id368780426/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optivo-scheduler/id6756987574/reviews)** |
| Number of ratings | **293** | 1 |
| Positive reviews | 89.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 289 MB | 6 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Gruber](https://appshunter.io/developer/342699861) | [Alex Stretton](https://appshunter.io/developer/1864081721) |

## What reviewers say

### EE ToolKit PRO

[App page](https://appshunter.io/ios/app/ee-toolkit-pro/id368780426)

This comprehensive toolkit offers over 160 electronic applications, calculators, and reference sections for electronics engineers, students, and hobbyists. It includes features like a multi-functional keyboard, color code tools, audio scope, and circuit simulations, with ongoing improvements and updates.

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

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Top-notch tool
- 👍 Extremely helpful
- 🔥 Invaluable for electronics work
- 💯 Excellent app
- 🔍 Comprehensive reference

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 UI could be more intuitive
- 📱 Some features not optimized for mobile
- 🔢 Limited functionality for advanced users

**Reported bugs**

- 7400 routine causes app to close
- Resistor value calculation issues
- Compatibility problems with newer iOS versions

**Requested features**

- Add support for vacuum tubes
- Implement logarithmic frequency sweep
- Include more component pinout information
- Integrate a circuit builder/simulator
- Add DB to RMS and peak-to-peak conversion


### Optivo Scheduler

[App page](https://appshunter.io/ios/app/optivo-scheduler/id6756987574)

Streamline team scheduling and communication with a powerful command center. Import existing rosters, manage availability in real-time, and prevent burnout with smart capacity tracking. Offers enterprise-grade control with granular permissions for secure data management.

**Highlights:** Real-time sync with Google Calendar and Outlook, Smart capacity and workload tracking, Visual utilization tools, Weekly hour limits and alerts, Granular permissions for data control, Conflict detection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EE ToolKit PRO free?

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

### Is Optivo Scheduler free?

Optivo Scheduler is free to download, with no in-app purchases.

### Which has better reviews, EE ToolKit PRO or Optivo Scheduler?

Optivo Scheduler is rated higher. EE ToolKit PRO averages 4.9 out of 5 from 293 ratings, while Optivo Scheduler averages 5.0 from 1 ratings.

### Do EE ToolKit PRO or Optivo Scheduler have ads?

Neither EE ToolKit PRO nor Optivo Scheduler shows ads.

### Which is updated more often, EE ToolKit PRO or Optivo Scheduler?

EE ToolKit PRO ships an update every 3 months, and Optivo Scheduler every 3 months. Most recently, EE ToolKit PRO was updated on October 27, 2026 and Optivo Scheduler on October 14, 2026.

---

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