# Electronics Engineer Helper vs saidosi

The clearest difference is update cadence: saidosi at weekly against Electronics Engineer Helper's monthly. Electronics Engineer Helper's advantage is iOS requirement (17.0 vs 26.0). 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 saidosi sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Electronics Engineer Helper ships an update monthly, saidosi weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Electronics Engineer Helper | saidosi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (442 ratings)](https://appshunter.io/ios/app/electronics-engineer-helper/id896429646/reviews)** | — |
| Number of ratings | **442** | — |
| Positive reviews | 97.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 93 MB | 28 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Rostyslav Dovhaliuk](https://appshunter.io/developer/896429649) | [ZHIYI LIN](https://appshunter.io/developer/1783163574) |

## 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


### saidosi

[App page](https://appshunter.io/ios/app/saidosi-ai-notes/id6790165067)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite | $1.99 | per month |
| Plus | $2.99 | per month |
| Pro | $9.99 | per month |


## Frequently asked questions

### Is Electronics Engineer Helper free?

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

### Is saidosi free?

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

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

Neither Electronics Engineer Helper nor saidosi shows ads.

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

Electronics Engineer Helper ships an update monthly, and saidosi weekly. Most recently, Electronics Engineer Helper was updated on November 1, 2026 and saidosi on October 31, 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.*