# Read A Res vs Resistor color code calc

The clearest difference is review sentiment: Resistor color code calc at 67% against Read A Res's 0%. Resistor color code calc also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 1). Read A Res's advantage is ratings volume (33 vs 5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Read A Res sells 1 one-off in-app purchase. Resistor color code calc asks for nothing beyond the download.

Resistor color code calc holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Read A Res has 33 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Read A Res's written reviews are positive against 67% of Resistor color code calc's.

Read A Res ships an update every 2 months, Resistor color code calc every 3 months. The most recent releases landed on June 4, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Read A Res | Resistor color code calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (33 ratings)](https://appshunter.io/ios/app/read-a-res/id1437744283/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/resistor-color-code-calc/id1441211200/reviews)** |
| Number of ratings | **33** | 5 |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 18 MB | 13 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Enes Akkus](https://appshunter.io/developer/1416782412) | [EONSOFT](https://appshunter.io/developer/899851112) |

## What reviewers say

### Read A Res

[App page](https://appshunter.io/ios/app/read-a-res/id1437744283)

Easily read and convert electronic component resistances. Input color codes or SMD values, and the application handles the rest. Offers a straightforward interface for quick calculations.

**Highlights:** Resistance reading, Resistance conversion, Color code input, SMD value input, Simple interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Resistor color code calc

[App page](https://appshunter.io/ios/app/resistor-color-code-calc/id1441211200)

This utility helps you determine the resistance value of resistors by interpreting their colored bands. It supports 3, 4, 5, and 6 band resistors, visually displaying your selections and the calculated resistance and tolerance.

**Highlights:** Calculates resistance for 3-6 band resistors, Visual band color selection, Displays resistance and tolerance, Aids electronics configuration, User-friendly interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Read A Res free?

Read A Res is free to download, with in-app purchases available.

### Is Resistor color code calc free?

Resistor color code calc is free to download, with no in-app purchases.

### Which has better reviews, Read A Res or Resistor color code calc?

Resistor color code calc is rated higher. Read A Res averages 4.4 out of 5 from 33 ratings, while Resistor color code calc averages 5.0 from 5 ratings.

### Do Read A Res or Resistor color code calc have ads?

Both Read A Res and Resistor color code calc show ads.

### Which is updated more often, Read A Res or Resistor color code calc?

Read A Res ships an update every 2 months, and Resistor color code calc every 3 months. Most recently, Read A Res was updated on June 4, 2026 and Resistor color code calc on September 10, 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.*