# Resistor Code Calculators vs TechKIT

The clearest difference is update cadence: TechKIT at every 6 days against Resistor Code Calculators's every 7 months. On price, ads, in-app purchases and device support 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, TechKIT every 6 days. The most recent releases landed on September 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Resistor Code Calculators | TechKIT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 6 days** |
| Size | 6 MB | 72 MB |
| Requires iOS | **13.4** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Kanta Kikubo](https://appshunter.io/developer/1450598215) | [Sergio Kirienko](https://appshunter.io/developer/1611605628) |

## What reviewers say

### Resistor Code Calculators

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

**Features:** macOS Compatibility

**In-app purchases:** none


### TechKIT

[App page](https://appshunter.io/ios/app/techkit-technician-tools/id6756894714)

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

**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 TechKIT free?

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

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

Both Resistor Code Calculators and TechKIT show ads.

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

Resistor Code Calculators ships an update every 7 months, and TechKIT every 6 days. Most recently, Resistor Code Calculators was updated on September 17, 2026 and TechKIT on October 3, 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.*