# Digital Electronics Guide vs CNau

The clearest difference is in-app purchases: Digital Electronics Guide at none against CNau's 1. Digital Electronics Guide also leads on iOS requirement (16.0 vs 18.6). CNau's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. CNau sells 1 one-off in-app purchase. Digital Electronics Guide asks for nothing beyond the download.

Digital Electronics Guide ships an update every 5 weeks, CNau every 3 weeks. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Digital Electronics Guide | CNau |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/digital-electronics-guide/id6478166232/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 24 MB | 24 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Rizka Reza Pahlevi](https://appshunter.io/developer/1843548137) |

## What reviewers say

### Digital Electronics Guide

[App page](https://appshunter.io/ios/app/digital-electronics-guide/id6478166232)

This app serves as a comprehensive reference for digital electronics, covering essential theory and practical guides. It's designed for students, engineers, and hobbyists to learn and prototype digital circuits with ease. Features include detailed information on logic gates, IC families, and various digital components.

**Highlights:** Logic gate tutorials, IC reference data (TTL 7400, CMOS 4000), Digital circuit design and prototyping, Covers counters, flip-flops, and more, Available in 14 languages, Detailed tutorials and references

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

**In-app purchases:** none


### CNau

[App page](https://appshunter.io/ios/app/cnau/id6753331497)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support CNau | $4.99 | one-time |


## Frequently asked questions

### Is Digital Electronics Guide free?

Digital Electronics Guide is free to download, with no in-app purchases.

### Is CNau free?

CNau is free to download, with in-app purchases available.

### Do Digital Electronics Guide or CNau have ads?

Digital Electronics Guide shows ads; CNau does not.

### Which is updated more often, Digital Electronics Guide or CNau?

Digital Electronics Guide ships an update every 5 weeks, and CNau every 3 weeks. Most recently, Digital Electronics Guide was updated on October 1, 2026 and CNau on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*