# Electro Port vs SJ Resistor Calculator

The clearest difference is in-app purchases: Electro Port at none against SJ Resistor Calculator's 5. Electro Port also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. SJ Resistor Calculator sells 5 one-off in-app purchases. Electro Port asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Electro Port against 5.0 for SJ Resistor Calculator. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Electro Port | SJ Resistor Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/electro-port/id6444053417/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sj-resistor-calculator/id6504838457/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 41 MB | 4 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UTSOURCE HOLDING COMPANY LIMITED](https://appshunter.io/developer/1076084259) | [Stephane JAILLIARD](https://appshunter.io/developer/1749751077) |

## What reviewers say

### Electro Port

[App page](https://appshunter.io/ios/app/electro-port/id6444053417)

A free utility app for electronics hobbyists offering a suite of tools for calculations and data analysis. It simplifies complex electronic tasks with practical calculators and data sets.

**Highlights:** Color ring resistance calculator, Battery charging time calculation, Battery lifetime calculation, Coil inductance calculation, Capacitor color code calculation, LED circuit power consumption calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### SJ Resistor Calculator

[App page](https://appshunter.io/ios/app/sj-resistor-calculator/id6504838457)

This tool simplifies resistor calculations for electronics enthusiasts, students, and professionals. It accurately decodes resistor color codes and performs series/parallel calculations for complex circuit analysis. Avoid manual errors and streamline your electronics projects.

**Highlights:** Resistor color code decoding (4, 5, 6 band), Series resistor calculations, Parallel resistor calculations, Accurate resistance and tolerance values, User-friendly interface

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A coffee | $0.99 | one-time |
| A cookie | $2.99 | one-time |
| No ads | $4.99 | one-time |
| A lemon tart | $4.99 | one-time |
| A pizza | $9.99 | one-time |


## Frequently asked questions

### Is Electro Port free?

Electro Port is free to download, with no in-app purchases.

### Is SJ Resistor Calculator free?

SJ Resistor Calculator is free to download, with in-app purchases available.

### Which has better reviews, Electro Port or SJ Resistor Calculator?

Electro Port and SJ Resistor Calculator are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Electro Port or SJ Resistor Calculator have ads?

SJ Resistor Calculator shows ads; Electro Port does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*