# Resistor AI Calculator vs AI Resistor Color Code Scanner

The clearest difference is rating: Resistor AI Calculator at 3.6 against AI Resistor Color Code Scanner's 1.7. Resistor AI Calculator also leads on in-app purchases (none vs 1) and device support (3 vs 1). AI Resistor Color Code Scanner's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 15 months). On price and ratings volume there is nothing between them.

Both are free to download. AI Resistor Color Code Scanner sells 1 one-off in-app purchase. Resistor AI Calculator asks for nothing beyond the download.

Resistor AI Calculator holds the better App Store score, 3.6 against 1.7. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

Resistor AI Calculator ships an update every 15 months, AI Resistor Color Code Scanner every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Resistor AI Calculator | AI Resistor Color Code Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/resistor-ai-calculator/id1587462977/reviews)** | [1.7 (3 ratings)](https://appshunter.io/ios/app/ai-resistor-color-code-scanner/id6748325846/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 15 months | **Every 5 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 71 MB | 163 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daichi Takigawa](https://appshunter.io/developer/1569940550) | [Andrew Ausonio](https://appshunter.io/developer/1697652973) |

## What reviewers say

### 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


### AI Resistor Color Code Scanner

[App page](https://appshunter.io/ios/app/ai-resistor-color-code-scanner/id6748325846)

Instantly identify and calculate resistor values using your iPhone camera. This tool eliminates the need for manual color band reading and charts, offering quick results for engineers, hobbyists, and students. Save your scans and organize them into projects for efficient workflow.

**Highlights:** Instant camera scanning, Save and organize scans, Interactive color band editing, Supports 3-6 band resistors, Offline functionality, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | one-time |


## Frequently asked questions

### Is Resistor AI Calculator free?

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

### Is AI Resistor Color Code Scanner free?

AI Resistor Color Code Scanner is free to download, with in-app purchases available.

### Which has better reviews, Resistor AI Calculator or AI Resistor Color Code Scanner?

Resistor AI Calculator is rated higher. Resistor AI Calculator averages 3.6 out of 5 from 5 ratings, while AI Resistor Color Code Scanner averages 1.7 from 3 ratings.

### Do Resistor AI Calculator or AI Resistor Color Code Scanner have ads?

Resistor AI Calculator shows ads; AI Resistor Color Code Scanner does not.

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

Resistor AI Calculator ships an update every 15 months, and AI Resistor Color Code Scanner every 5 weeks. Most recently, Resistor AI Calculator was updated on November 3, 2026 and AI Resistor Color Code Scanner on October 30, 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.*