# Electronics Engineer Helper vs TCP&UDP调试工具

The clearest difference is rating: Electronics Engineer Helper at 4.8 against TCP&UDP调试工具's 1.0. Electronics Engineer Helper also leads on monetization model (free with in-app purchases vs subscription) and update cadence (monthly vs every 7 months). TCP&UDP调试工具's advantage is iOS requirement (9.0 vs 17.0). On price, ads, in-app purchases and device support 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 TCP&UDP调试工具 sells 1 in-app purchase, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Electronics Engineer Helper holds the better App Store score, 4.8 against 1.0. 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 point the same way: 98% of Electronics Engineer Helper's written reviews are positive against 75% of TCP&UDP调试工具's.

Electronics Engineer Helper ships an update monthly, TCP&UDP调试工具 every 7 months. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Electronics Engineer Helper | TCP&UDP调试工具 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (436 ratings)](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/tcp-and-udp/id1437239406/reviews) |
| Number of ratings | **436** | 1 |
| Positive reviews | **97.7% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 92 MB | 10 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Rostyslav Dovhaliuk](https://appshunter.io/developer/896429649) | [俊云 王](https://appshunter.io/developer/844897692) |

## 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


### TCP&UDP调试工具

[App page](https://appshunter.io/ios/app/tcp-and-udp/id1437239406)

This tool allows for comprehensive testing of TCP and UDP network protocols. It supports multiple socket connections, hexadecimal data transmission, and data saving. Offers a free trial for unlimited usage and ad-free experience.

**Highlights:** Integrated TCP/UDP server/client, Multi-socket parallel testing, Hexadecimal send/receive, Data saving and byte statistics, Looping data transmission, Supports Chinese characters

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TCP&UDP无限使用优惠 | $0.99 | per 7 days |


## Frequently asked questions

### Is Electronics Engineer Helper free?

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

### Is TCP&UDP调试工具 free?

TCP&UDP调试工具 is free to download, with in-app purchases available.

### Which has better reviews, Electronics Engineer Helper or TCP&UDP调试工具?

Electronics Engineer Helper is rated higher. Electronics Engineer Helper averages 4.8 out of 5 from 436 ratings, while TCP&UDP调试工具 averages 1.0 from 1 ratings.

### Do Electronics Engineer Helper or TCP&UDP调试工具 have ads?

Neither Electronics Engineer Helper nor TCP&UDP调试工具 shows ads.

### Which is updated more often, Electronics Engineer Helper or TCP&UDP调试工具?

Electronics Engineer Helper ships an update monthly, and TCP&UDP调试工具 every 7 months. Most recently, Electronics Engineer Helper was updated on October 11, 2026 and TCP&UDP调试工具 on October 3, 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.*