# ID Resistors vs Learn C Language

The clearest difference is review sentiment: ID Resistors at 100% against Learn C Language's 0%. ID Resistors also leads on monetization model (free vs ad-supported) and iOS requirement (14.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ID Resistors ships an update every 2 months, Learn C Language every 3 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ID Resistors | Learn C Language |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (32 ratings)](https://appshunter.io/ios/app/id-resistors/id1517383962/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 11 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marc Rummel](https://appshunter.io/developer/1281956104) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### ID Resistors

[App page](https://appshunter.io/ios/app/id-resistors/id1517383962)

Easily identify the values of through-hole and SMD resistors. Input a resistor value to find its code, or enter the code to determine its value. Supports English, French, German, and Spanish.

**Highlights:** Identify through-hole resistors, Identify SMD resistors, Input value to get code, Input code to get value, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn C Language

[App page](https://appshunter.io/ios/app/learn-c-language/id6444024951)

Master C programming with this beginner-friendly app. It offers structured lessons, real-world code examples, and over 250 interactive quiz questions to reinforce learning. Study in one of seven languages and progress from basic to advanced concepts.

**Highlights:** Beginner-friendly C programming lessons, Real-world code examples, Interactive quiz system with 250+ questions, Available in 7 languages, Covers advanced C concepts, Progress tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is ID Resistors free?

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

### Is Learn C Language free?

Learn C Language is free to download, with no in-app purchases.

### Do ID Resistors or Learn C Language have ads?

Neither ID Resistors nor Learn C Language shows ads.

### Which is updated more often, ID Resistors or Learn C Language?

ID Resistors ships an update every 2 months, and Learn C Language every 3 months. Most recently, ID Resistors was updated on October 24, 2026 and Learn C Language on October 19, 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.*