# Electronics Engineer Helper vs Hydraulic schemes

The clearest difference is price: Electronics Engineer Helper at Free against Hydraulic schemes's $0.99. Electronics Engineer Helper also leads on ratings volume (442 vs 1) and review sentiment (98% vs 77%). Hydraulic schemes's advantage is iOS requirement (11.0 vs 17.0). On rating, update cadence, ads and in-app purchases there is nothing between them.

Electronics Engineer Helper is free to download; Hydraulic schemes costs $0.99 up front. Electronics Engineer Helper sells 2 in-app purchases, starting at $4.89 per year and Hydraulic schemes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Hydraulic schemes 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 442 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 77% of Hydraulic schemes'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, Hydraulic schemes every 2 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Electronics Engineer Helper | Hydraulic schemes |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.8 (442 ratings)](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydraulic-schemes/id1602894931/reviews)** |
| Number of ratings | **442** | 1 |
| Positive reviews | **97.7% of reviews** | 76.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 93 MB | 10 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Rostyslav Dovhaliuk](https://appshunter.io/developer/896429649) | [Angel Martinez](https://appshunter.io/developer/1446956865) |

## 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


### Hydraulic schemes

[App page](https://appshunter.io/ios/app/hydraulic-schemes/id1602894931)

Easily design hydraulic, heating, cooling, and air conditioning schematics. Drag and drop symbols to quickly build your diagrams. Save and edit your work with the PRO version.

**Highlights:** Create hydraulic schemes, Drag and drop symbol placement, Extensive symbol library, Save and edit schemes (PRO), Export as image or PDF, Multiple HVAC system support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads, save/edit diagram | $3.99 | one-time |


## Frequently asked questions

### Is Electronics Engineer Helper free?

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

### Is Hydraulic schemes free?

Hydraulic schemes costs $0.99, and also offers in-app purchases.

### Which has better reviews, Electronics Engineer Helper or Hydraulic schemes?

Hydraulic schemes is rated higher. Electronics Engineer Helper averages 4.8 out of 5 from 442 ratings, while Hydraulic schemes averages 5.0 from 1 ratings.

### Do Electronics Engineer Helper or Hydraulic schemes have ads?

Neither Electronics Engineer Helper nor Hydraulic schemes shows ads.

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

Electronics Engineer Helper ships an update monthly, and Hydraulic schemes every 2 weeks. Most recently, Electronics Engineer Helper was updated on November 1, 2026 and Hydraulic schemes on October 30, 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.*