# Resistor Code Calculators vs Resistor AI Calculator

The clearest difference is update cadence: Resistor Code Calculators at every 7 months against Resistor AI Calculator's every 15 months. Resistor Code Calculators also leads on iOS requirement (13.4 vs 15.0). 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, Resistor AI Calculator every 15 months. The most recent releases landed on September 17, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Resistor Code Calculators | Resistor AI Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (5 ratings)](https://appshunter.io/ios/app/resistor-ai-calculator/id1587462977/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 7 months** | Every 15 months |
| Monetization | — | Ad-supported |
| Size | 6 MB | 71 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kanta Kikubo](https://appshunter.io/developer/1450598215) | [Daichi Takigawa](https://appshunter.io/developer/1569940550) |

## What reviewers say

### Resistor Code Calculators

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Resistor AI Calculator

[App page](https://appshunter.io/ios/app/resistor-ai-calculator/id1587462977)

Point your phone's camera at a resistor to instantly identify its value. Currently supports 4-band carbon film resistors with a 5% tolerance.

**Highlights:** Real-time resistor detection, Automatic resistance calculation, Supports 4-band carbon film resistors, 5% margin of error detection, Uses smartphone camera

**Features:** macOS Compatibility

**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 Resistor AI Calculator free?

Resistor AI Calculator is free to download, with no in-app purchases.

### Do Resistor Code Calculators or Resistor AI Calculator have ads?

Both Resistor Code Calculators and Resistor AI Calculator show ads.

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

Resistor Code Calculators ships an update every 7 months, and Resistor AI Calculator every 15 months. Most recently, Resistor Code Calculators was updated on September 17, 2026 and Resistor AI Calculator on June 5, 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.*