# Read A Res vs resistor code calculator+

The clearest difference is in-app purchases: resistor code calculator+ at none against Read A Res's 1. resistor code calculator+ also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Read A Res sells 1 one-off in-app purchase. resistor code calculator+ asks for nothing beyond the download.

Read A Res ships an update every 2 months, resistor code calculator+ every 3 weeks. The most recent releases landed on June 4, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Read A Res | resistor code calculator+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (33 ratings)](https://appshunter.io/ios/app/read-a-res/id1437744283/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 25 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Enes Akkus](https://appshunter.io/developer/1416782412) | [佳 黄](https://appshunter.io/developer/513202662) |

## 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 code calculator+

[App page](https://appshunter.io/ios/app/resistor-code-calculator-plus/id6741751785)

**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 code calculator+ free?

resistor code calculator+ is free to download, with no in-app purchases.

### Do Read A Res or resistor code calculator+ have ads?

Read A Res shows ads; resistor code calculator+ does not.

### Which is updated more often, Read A Res or resistor code calculator+?

Read A Res ships an update every 2 months, and resistor code calculator+ every 3 weeks. Most recently, Read A Res was updated on June 4, 2026 and resistor code calculator+ on September 8, 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.*