# K'NECT vs SJ Resistor Calculator

The clearest difference is rating: SJ Resistor Calculator at 5.0 against K'NECT's 3.0. K'NECT's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

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

SJ Resistor Calculator holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 3, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | K'NECT | SJ Resistor Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/knect/id1564019788/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sj-resistor-calculator/id6504838457/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 4 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [言伟 曾](https://appshunter.io/developer/1013547284) | [Stephane JAILLIARD](https://appshunter.io/developer/1749751077) |

## What reviewers say

### K'NECT

[App page](https://appshunter.io/ios/app/knect/id1564019788)

This utility app connects to a device via Bluetooth to provide an alarm when disconnected. It also allows users to send signals to bound contacts by pressing a button on the device.

**Highlights:** Bluetooth device connection, Disconnection alarm, Signal sending to bound contacts, Device button integration

**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 K'NECT free?

K'NECT 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, K'NECT or SJ Resistor Calculator?

SJ Resistor Calculator is rated higher. K'NECT averages 3.0 out of 5 from 2 ratings, while SJ Resistor Calculator averages 5.0 from 1 ratings.

### Do K'NECT or SJ Resistor Calculator have ads?

SJ Resistor Calculator shows ads; K'NECT does not.

### Which is updated more often, K'NECT or SJ Resistor Calculator?

K'NECT ships an update every 2 weeks, and SJ Resistor Calculator every 2 weeks. Most recently, K'NECT was updated on October 3, 2026 and SJ Resistor Calculator on September 23, 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.*