# RF vs Electronics Engineer Helper

The clearest difference is price: Electronics Engineer Helper at Free against RF's $7.99. Electronics Engineer Helper also leads on update cadence (monthly vs every 4 months) and ratings volume (436 vs 22). RF's advantage is in-app purchases (none vs 2) and iOS requirement (11.1 vs 17.0). On rating, review sentiment, ads and device support there is nothing between them.

Electronics Engineer Helper is free to download; RF costs $7.99 up front. Electronics Engineer Helper sells 2 in-app purchases, starting at $4.89 per year. RF asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for RF against 4.8 for Electronics Engineer Helper. That said, the two scores are not equally well evidenced: Electronics Engineer Helper has 436 ratings behind it against 22, so its average is the more settled of the two. Written reviews are what separate them: 91% of RF's written reviews are positive against 98% of Electronics Engineer Helper's.

RF ships an update every 4 months, Electronics Engineer Helper monthly. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | RF | Electronics Engineer Helper |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.9 (22 ratings)](https://appshunter.io/ios/app/rf-toolbox-pro/id593044099/reviews)** | [4.8 (436 ratings)](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646/reviews) |
| Number of ratings | 22 | **436** |
| Positive reviews | 91.1% of reviews | **97.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 92 MB | 92 MB |
| Requires iOS | **11.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 12+ |
| Developer | [Marcus Roskosch](https://appshunter.io/developer/334053438) | [Rostyslav Dovhaliuk](https://appshunter.io/developer/896429649) |

## What reviewers say

### RF

[App page](https://appshunter.io/ios/app/rf-toolbox-pro/id593044099)

This app provides over 90 specialized tools for high-frequency electronics, catering to RF professionals, radio amateurs, and students. It offers calculations for PCB traces, filters, impedance, and more, with ongoing updates and new features planned.

**Highlights:** PCB Trace Width and Impedance, LC/L/T/Pi Match Calculation, Coax Cable Calculations, Amplifier and Attenuator Cascade, SWR/Reflection/Return Loss Conversion, Filter Design (Butterworth, Chebyshev), RF Units Conversion

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RF free?

RF costs $7.99, with no in-app purchases.

### Is Electronics Engineer Helper free?

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

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

RF is rated higher. RF averages 4.9 out of 5 from 22 ratings, while Electronics Engineer Helper averages 4.8 from 436 ratings.

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

Neither RF nor Electronics Engineer Helper shows ads.

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

RF ships an update every 4 months, and Electronics Engineer Helper monthly. Most recently, RF was updated on October 11, 2026 and Electronics Engineer Helper on October 20, 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.*