# LED Calc. vs Resistor Code Calculators

LED Calc. and Resistor Code Calculators are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LED Calc. ships an update every 10 months, Resistor Code Calculators every 7 months. The most recent releases landed on October 3, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | LED Calc. | Resistor Code Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/led-calc/id556845805/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 10 months | **Every 7 months** |
| Monetization | Ad-supported | — |
| Size | 17 MB | 6 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jibiki Works](https://appshunter.io/developer/556845808) | [Kanta Kikubo](https://appshunter.io/developer/1450598215) |

## What reviewers say

### LED Calc.

[App page](https://appshunter.io/ios/app/led-calc/id556845805)

This application assists in designing electronic circuits by calculating the necessary resistor values for LEDs. It simplifies the process of determining the correct components for your LED projects.

**Highlights:** Resistor value calculation, LED circuit design assistance, Component value determination

**Features:** macOS Compatibility

**In-app purchases:** none


### Resistor Code Calculators

[App page](https://appshunter.io/ios/app/resistor-code-calculators/id1465336419)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LED Calc. free?

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

### Is Resistor Code Calculators free?

Resistor Code Calculators is free to download, with no in-app purchases.

### Do LED Calc. or Resistor Code Calculators have ads?

Both LED Calc. and Resistor Code Calculators show ads.

### Which is updated more often, LED Calc. or Resistor Code Calculators?

LED Calc. ships an update every 10 months, and Resistor Code Calculators every 7 months. Most recently, LED Calc. was updated on October 3, 2026 and Resistor Code Calculators on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*