# Resistor Code Calculators vs TimeCalcX

The clearest difference is iOS requirement: Resistor Code Calculators at 13.4 against TimeCalcX's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Resistor Code Calculators ships an update every 7 months, TimeCalcX every 6 months. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Resistor Code Calculators | TimeCalcX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 6 months** |
| Size | 6 MB | 6 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kanta Kikubo](https://appshunter.io/developer/1450598215) | [koji kamogawa](https://appshunter.io/developer/1488210713) |

## What reviewers say

### Resistor Code Calculators

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

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

**In-app purchases:** none


### TimeCalcX

[App page](https://appshunter.io/ios/app/timecalcx/id1505984516)

**In-app purchases:** none


## Frequently asked questions

### Is Resistor Code Calculators free?

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

### Is TimeCalcX free?

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

### Do Resistor Code Calculators or TimeCalcX have ads?

Both Resistor Code Calculators and TimeCalcX show ads.

### Which is updated more often, Resistor Code Calculators or TimeCalcX?

Resistor Code Calculators ships an update every 7 months, and TimeCalcX every 6 months. Most recently, Resistor Code Calculators was updated on October 20, 2026 and TimeCalcX on October 27, 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.*