# Digi vs Learn C Language

The clearest difference is update cadence: Learn C Language at every 3 months against Digi's every 13 months. Digi's advantage is monetization model (free vs ad-supported) and iOS requirement (11.0 vs 17.0). 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.

Digi ships an update every 13 months, Learn C Language every 3 months. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Digi | Learn C Language |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/digi-key-ar/id1588429255/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 months** |
| Monetization | **Free** | Ad-supported |
| Size | 98 MB | 11 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Digi-Key Corporation](https://appshunter.io/developer/352075222) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Digi

[App page](https://appshunter.io/ios/app/digi-key-ar/id1588429255)

Explore electronic boards and learn about their features in an augmented reality environment. Visualize components at actual scale and discover the perfect board for your next project. Features an AR ruler to understand PCB specifications.

**Highlights:** Augmented reality experiences, 2022 Boards Guide visualization, Real-time component scaling, AR PCB Ruler, Microcontroller, SBC, FPGA exploration

**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 Digi free?

Digi 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 Digi or Learn C Language have ads?

Neither Digi nor Learn C Language shows ads.

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

Digi ships an update every 13 months, and Learn C Language every 3 months. Most recently, Digi was updated on October 3, 2026 and Learn C Language on October 12, 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.*