# Electronic Circuit Calculator vs Repa RDC

The clearest difference is in-app purchases: Repa RDC at none against Electronic Circuit Calculator's 1. Repa RDC also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Electronic Circuit Calculator sells 1 one-off in-app purchase. Repa RDC asks for nothing beyond the download.

Electronic Circuit Calculator ships an update every 2 months, Repa RDC every 2 weeks. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Electronic Circuit Calculator | Repa RDC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/electronic-circuit-calculator/id1583972990/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 37 MB | 75 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anas Abubakar](https://appshunter.io/developer/1581534101) | [Ely Kikuni](https://appshunter.io/developer/1752092270) |

## What reviewers say

### Electronic Circuit Calculator

[App page](https://appshunter.io/ios/app/electronic-circuit-calculator/id1583972990)

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

**Highlights:** Comprehensive calculator collection, Filter design with graph plotting, Resistor, transistor, capacitor design tools, Amplifier and inductor design, Circuit analysis and design, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to the Pro version | $2.99 | one-time |


### Repa RDC

[App page](https://appshunter.io/ios/app/repa-rdc/id6756601368)

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

**In-app purchases:** none


## Frequently asked questions

### Is Electronic Circuit Calculator free?

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

### Is Repa RDC free?

Repa RDC is free to download, with no in-app purchases.

### Do Electronic Circuit Calculator or Repa RDC have ads?

Electronic Circuit Calculator shows ads; Repa RDC does not.

### Which is updated more often, Electronic Circuit Calculator or Repa RDC?

Electronic Circuit Calculator ships an update every 2 months, and Repa RDC every 2 weeks. Most recently, Electronic Circuit Calculator was updated on October 13, 2026 and Repa RDC on October 10, 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.*