# 3D Configurator vs Resistor Color Code Calc.

The clearest difference is in-app purchases: 3D Configurator at none against Resistor Color Code Calc.'s 1. Resistor Color Code Calc.'s advantage is update cadence (every 5 months vs every 34 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Resistor Color Code Calc. sells 1 one-off in-app purchase. 3D Configurator asks for nothing beyond the download.

3D Configurator ships an update every 34 months, Resistor Color Code Calc. every 5 months. The most recent releases landed on October 26, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 3D Configurator | Resistor Color Code Calc. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/resistor-color-code-calc/id6755287812/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 5 months** |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 35 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [B.PRO GmbH](https://appshunter.io/developer/1438759011) | [Sachinbhai Surani](https://appshunter.io/developer/1838685550) |

## What reviewers say

### 3D Configurator

[App page](https://appshunter.io/ios/app/3d-configurator/id1438759012)

**In-app purchases:** none


### Resistor Color Code Calc.

[App page](https://appshunter.io/ios/app/resistor-color-code-calc/id6755287812)

Instantly decode resistor color bands, calculate exact values, and convert SMD resistor markings. This app provides essential tools for electronics students, technicians, and hobbyists with a clean interface and fast processing.

**Highlights:** Decode 3- to 6-band resistors, Calculate resistance values, Convert SMD resistor codes, Series and parallel resistor calculators, Save and share results, Clean and simple interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


## Frequently asked questions

### Is 3D Configurator free?

3D Configurator is free to download, with no in-app purchases.

### Is Resistor Color Code Calc. free?

Resistor Color Code Calc. is free to download, with in-app purchases available.

### Do 3D Configurator or Resistor Color Code Calc. have ads?

Neither 3D Configurator nor Resistor Color Code Calc. shows ads.

### Which is updated more often, 3D Configurator or Resistor Color Code Calc.?

3D Configurator ships an update every 34 months, and Resistor Color Code Calc. every 5 months. Most recently, 3D Configurator was updated on October 26, 2026 and Resistor Color Code Calc. on November 1, 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.*