# Electronic Component Codes vs B³ Calculator

The clearest difference is price: Electronic Component Codes at Free against B³ Calculator's $0.99. B³ Calculator's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Electronic Component Codes is free to download; B³ Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Electronic Component Codes | B³ Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Monetization | Ad-supported | — |
| Size | 9 MB | 2 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [玉美 张](https://appshunter.io/developer/1550410737) |

## 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


### B³ Calculator

[App page](https://appshunter.io/ios/app/b-calculator/id6450912372)

**In-app purchases:** none


## Frequently asked questions

### Is Electronic Component Codes free?

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

### Is B³ Calculator free?

B³ Calculator costs $0.99, with no in-app purchases.

### Do Electronic Component Codes or B³ Calculator have ads?

Electronic Component Codes shows ads; B³ Calculator 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.*