# AI vs Regular Expressions Basics

The clearest difference is in-app purchases: Regular Expressions Basics at none against AI's 4. Regular Expressions Basics also leads on update cadence (daily vs every 2 weeks). AI's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AI sells 4 in-app purchases, starting at $9.99 per 7 days. Regular Expressions Basics asks for nothing beyond the download.

AI ships an update every 2 weeks, Regular Expressions Basics daily. The most recent releases landed on October 27, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | AI | Regular Expressions Basics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/ai-900-pocket-study/id6474473184/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 100 MB | 38 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pocket Study LLC](https://appshunter.io/developer/1841630256) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### AI

[App page](https://appshunter.io/ios/app/ai-900-pocket-study/id6474473184)

Prepare for the Microsoft Azure AI Fundamentals (AI-900) exam with a comprehensive question bank and personalized study plans. Study offline, track your progress, and simulate exam conditions to build confidence for certification.

**Highlights:** 5000+ practice questions, Personalized study plans, Detailed explanations, Timed exam simulator, Progress tracking, Offline access

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly AI-900 Exam Prep Plan | $9.99 | per 7 days |
| 1M AI-900 Fundamentals Exam Prep | $24.99 | per month |
| Quarterly AI-900 Study Guide | $49.99 | per 3 months |
| Yearly AI-900 Certification Prep | $149.99 | per year |


### Regular Expressions Basics

[App page](https://appshunter.io/ios/app/regular-expressions-basics/id6769249870)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI free?

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

### Is Regular Expressions Basics free?

Regular Expressions Basics is free to download, with no in-app purchases.

### Do AI or Regular Expressions Basics have ads?

Regular Expressions Basics shows ads; AI does not.

### Which is updated more often, AI or Regular Expressions Basics?

AI ships an update every 2 weeks, and Regular Expressions Basics daily. Most recently, AI was updated on October 27, 2026 and Regular Expressions Basics on October 14, 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.*