# SJ Resistor Calculator vs swiftMerchant app

The clearest difference is in-app purchases: swiftMerchant app at none against SJ Resistor Calculator's 5. swiftMerchant app also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). On price and device support there is nothing between them.

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

## The numbers

| Metric | SJ Resistor Calculator | swiftMerchant app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sj-resistor-calculator/id6504838457/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 50 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Stephane JAILLIARD](https://appshunter.io/developer/1749751077) | [IRAQ ALBARMAJA FOR SOFTWARE SERVICES](https://appshunter.io/developer/1072929193) |

## What reviewers say

### 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 |


### swiftMerchant app

[App page](https://appshunter.io/ios/app/swiftmerchant-app/id6741059270)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SJ Resistor Calculator free?

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

### Is swiftMerchant app free?

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

### Do SJ Resistor Calculator or swiftMerchant app have ads?

SJ Resistor Calculator shows ads; swiftMerchant app does not.

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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.*