# Electronic Formulator vs Electronics Engineer Helper

The clearest difference is update cadence: Electronic Formulator at every 9 days against Electronics Engineer Helper's monthly. Electronics Engineer Helper's advantage is iOS requirement (17.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Electronic Formulator sells 1 one-off in-app purchase and Electronics Engineer Helper sells 2 in-app purchases, starting at $4.89 per year. Whichever you choose, the download price is not the number that matters.

Electronic Formulator ships an update every 9 days, Electronics Engineer Helper monthly. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Electronic Formulator | Electronics Engineer Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (436 ratings)](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646/reviews)** |
| Number of ratings | — | **436** |
| Positive reviews | — | 97.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 92 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [Rostyslav Dovhaliuk](https://appshunter.io/developer/896429649) |

## What reviewers say

### Electronic Formulator

[App page](https://appshunter.io/ios/app/electronic-formulator/id675036997)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Electronic Pro | $2.99 | one-time |


### 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 Electronic Formulator free?

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

### Is Electronics Engineer Helper free?

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

### Do Electronic Formulator or Electronics Engineer Helper have ads?

Neither Electronic Formulator nor Electronics Engineer Helper shows ads.

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

Electronic Formulator ships an update every 9 days, and Electronics Engineer Helper monthly. Most recently, Electronic Formulator was updated on October 8, 2026 and Electronics Engineer Helper on October 11, 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.*