# Electronic Component Codes vs Construction Calc

The clearest difference is in-app purchases: Electronic Component Codes at none against Construction Calc's 1. Electronic Component Codes also leads on iOS requirement (16.0 vs 18.0). Construction Calc's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Construction Calc sells 1 one-off in-app purchase. Electronic Component Codes asks for nothing beyond the download.

Electronic Component Codes ships an update every 6 weeks, Construction Calc every 2 months. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Electronic Component Codes | Construction Calc |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 9 MB | 15 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Alona Nesterenko](https://appshunter.io/developer/1890650834) |

## What reviewers say

### Electronic Component Codes

[App page](https://appshunter.io/ios/app/electronic-component-codes/id1670579756)

Quickly identify electronic component values using color codes and SMD markings. This utility supports resistors, capacitors, and inductors, offering detailed explanations and standard value charts.

**Highlights:** Resistor color code calculator, SMD resistor code lookup, Capacitor code identification, Inductor color code guide, E-series value charts, Detailed help sections

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

**In-app purchases:** none


### Construction Calc

[App page](https://appshunter.io/ios/app/construction-calc-toolbox/id6792015651)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $7.99 | one-time |


## Frequently asked questions

### Is Electronic Component Codes free?

Electronic Component Codes is free to download, with no in-app purchases.

### Is Construction Calc free?

Construction Calc is free to download, with in-app purchases available.

### Do Electronic Component Codes or Construction Calc have ads?

Electronic Component Codes shows ads; Construction Calc does not.

### Which is updated more often, Electronic Component Codes or Construction Calc?

Electronic Component Codes ships an update every 6 weeks, and Construction Calc every 2 months. Most recently, Electronic Component Codes was updated on October 1, 2026 and Construction Calc on October 11, 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.*