# Arduino Programming Tutorial vs CompTIA Prep

The clearest difference is in-app purchases: Arduino Programming Tutorial at none against CompTIA Prep's 2. CompTIA Prep's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CompTIA Prep sells 2 in-app purchases, starting at $5.99 per 7 days. Arduino Programming Tutorial asks for nothing beyond the download.

Arduino Programming Tutorial ships an update every 6 weeks, CompTIA Prep every 3 weeks. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Arduino Programming Tutorial | CompTIA Prep |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 44 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Hermes Inteligencia Digital Ltda](https://appshunter.io/developer/1896694873) |

## What reviewers say

### Arduino Programming Tutorial

[App page](https://appshunter.io/ios/app/arduino-programming-tutorial/id6446804186)

Learn Arduino programming with over 200 lessons, circuit diagrams, and code examples. Covers electronics, components, and C++ essentials for beginners and advanced users. Available in 14 languages.

**Highlights:** 200+ practical lessons, Circuit diagrams and wiring guides, Ready-to-use code examples, Interactive quiz questions, Covers 14 languages, Detailed component explanations, C++ programming essentials

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

**In-app purchases:** none


### CompTIA Prep

[App page](https://appshunter.io/ios/app/comptia-prep-a-plus-net-sec/id6789113653)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CompTIA Prep Weekly | $5.99 | per 7 days |
| CompTIA Prep Monthly | $14.99 | per month |


## Frequently asked questions

### Is Arduino Programming Tutorial free?

Arduino Programming Tutorial is free to download, with no in-app purchases.

### Is CompTIA Prep free?

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

### Do Arduino Programming Tutorial or CompTIA Prep have ads?

Arduino Programming Tutorial shows ads; CompTIA Prep does not.

### Which is updated more often, Arduino Programming Tutorial or CompTIA Prep?

Arduino Programming Tutorial ships an update every 6 weeks, and CompTIA Prep every 3 weeks. Most recently, Arduino Programming Tutorial was updated on October 6, 2026 and CompTIA Prep on October 3, 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.*