# Electronics Engineer Helper vs CADIO

The clearest difference is review sentiment: Electronics Engineer Helper at 98% against CADIO's 0%. Electronics Engineer Helper also leads on ads (none vs shown) and ratings volume (436 vs 1). CADIO's advantage is rating (5.0 vs 4.8) and iOS requirement (13 vs 17.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Electronics Engineer Helper sells 2 in-app purchases, starting at $4.89 per year and CADIO sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

CADIO holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Electronics Engineer Helper has 436 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 98% of Electronics Engineer Helper's written reviews are positive against 0% of CADIO's, so the app with the better star average is not the one people write more warmly about.

Electronics Engineer Helper ships an update monthly, CADIO every 4 weeks. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Electronics Engineer Helper | CADIO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (436 ratings)](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cadio/id1566868575/reviews)** |
| Number of ratings | **436** | 1 |
| Positive reviews | **97.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 91 MB | 35 MB |
| Requires iOS | 17.0 | **13** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Rostyslav Dovhaliuk](https://appshunter.io/developer/896429649) | [Mohamed Rashad](https://appshunter.io/developer/1498581848) |

## What reviewers say

### Electronics Engineer Helper

[App page](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646)

This app provides a comprehensive suite of calculators and reference tools for electronics enthusiasts and professionals. It includes features for component identification, circuit calculations, and electrical property analysis, aiding in both study and practical work.

**Highlights:** Datasheet search, Resistor color code calculator, Electronic schematic symbols, Pinouts guide, Ohm's law calculator, AWG converter, Unit converter

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Year Subscription | $4.89 | per year |
| Lifetime PRO Version | $12.49 | one-time |

**What reviewers like**

- 🚀 Useful tool
- 👍 Comprehensive reference
- 👍 Intuitive and well-designed
- 👍 Saves time and effort
- 👍 Excellent for beginners and professionals

**What reviewers complain about**

- 💰 Some advanced features require paid subscription
- 🇷🇺 Some content in Russian language

**Reported bugs**

- Incorrect resistor color code display for some values
- In-app purchase option not working for some users

**Requested features**

- Add more circuit schematics and examples
- Include ASCII code to decimal, hex, and octal conversion
- Expand the pinout section with more details
- Add active filter (RC, RL, RLC, LC) calculators
- Include digital to analog converter, transistor, and transformer calculators


### CADIO

[App page](https://appshunter.io/ios/app/cadio/id1566868575)

This platform offers comprehensive control over a wide range of smart home devices. Manage devices locally or via the cloud, set schedules, and receive notifications. Supports voice control and integration with popular smart home ecosystems.

**Highlights:** Easy device configuration, Local and cloud control, Unlimited device support, Device linking with sensors, Timers and schedules, Voice control, Google Home & Alexa integration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent License | $5.99 | one-time |
| Permanent License | $7.99 | one-time |


## Frequently asked questions

### Is Electronics Engineer Helper free?

Electronics Engineer Helper is free to download, with in-app purchases available.

### Is CADIO free?

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

### Which has better reviews, Electronics Engineer Helper or CADIO?

CADIO is rated higher. Electronics Engineer Helper averages 4.8 out of 5 from 436 ratings, while CADIO averages 5.0 from 1 ratings.

### Do Electronics Engineer Helper or CADIO have ads?

CADIO shows ads; Electronics Engineer Helper does not.

### Which is updated more often, Electronics Engineer Helper or CADIO?

Electronics Engineer Helper ships an update monthly, and CADIO every 4 weeks. Most recently, Electronics Engineer Helper was updated on September 18, 2026 and CADIO on June 1, 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.*