# Electronics Circuit Calc Pro vs Oju

The clearest difference is price: Oju at Free against Electronics Circuit Calc Pro's $3.99. Oju also leads on update cadence (daily vs every 2 months). Electronics Circuit Calc Pro's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Oju is free to download; Electronics Circuit Calc Pro costs $3.99 up front. Oju sells 2 in-app purchases, starting at $1.99 per month. Electronics Circuit Calc Pro asks for nothing beyond the download.

Electronics Circuit Calc Pro ships an update every 2 months, Oju daily. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Electronics Circuit Calc Pro | Oju |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/electronics-circuit-calc-pro/id1583600520/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Paid | — |
| Size | 31 MB | 9 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Anas Abubakar](https://appshunter.io/developer/1581534101) | [AnotherBrain Inc.](https://appshunter.io/developer/1618204808) |

## What reviewers say

### Electronics Circuit Calc Pro

[App page](https://appshunter.io/ios/app/electronics-circuit-calc-pro/id1583600520)

This app provides a comprehensive suite of calculators and design tools for electronic engineering projects. It assists with circuit design, filter analysis, and calculations for various components like resistors, capacitors, and inductors. Ideal for both professionals and students, it simplifies complex electronic tasks.

**Highlights:** Circuit design tools, Filter design with graph plotting, Resistor, capacitor, inductor design, Amplifier calculations, Ohm's Law calculator, 555 timer calculator, PCB trace width calculator

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

**In-app purchases:** none


### Oju

[App page](https://appshunter.io/ios/app/oju-ai-web-translator/id6758647074)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Electronics Circuit Calc Pro free?

Electronics Circuit Calc Pro costs $3.99, with no in-app purchases.

### Is Oju free?

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

### Do Electronics Circuit Calc Pro or Oju have ads?

Oju shows ads; Electronics Circuit Calc Pro does not.

### Which is updated more often, Electronics Circuit Calc Pro or Oju?

Electronics Circuit Calc Pro ships an update every 2 months, and Oju daily. Most recently, Electronics Circuit Calc Pro was updated on October 27, 2026 and Oju on October 25, 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.*