# Active Shooter Response (ASR) vs Learn Compiler Design

The clearest difference is rating: Learn Compiler Design at 5.0 against Active Shooter Response (ASR)'s 3.7. Active Shooter Response (ASR)'s advantage is in-app purchases (none vs 1) and ratings volume (3 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Learn Compiler Design sells 1 one-off in-app purchase. Active Shooter Response (ASR) asks for nothing beyond the download.

Learn Compiler Design holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

## The numbers

| Metric | Active Shooter Response (ASR) | Learn Compiler Design |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/active-shooter-response-asr/id1319376199/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/learn-compiler-design/id1671347748/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Daily |
| Monetization | **Free** | Free with in-app purchases |
| Size | 29 MB | 28 MB |
| Requires iOS | **8.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [TRADOC Mobile](https://appshunter.io/developer/960437358) | [Ghumman Tech LLC](https://appshunter.io/developer/1671347750) |

## What reviewers say

### Active Shooter Response (ASR)

[App page](https://appshunter.io/ios/app/active-shooter-response-asr/id1319376199)

This app offers crucial information for preparing for, responding to, and managing active shooter incidents. Developed as an official U.S. Army application, it aims to provide guidance in critical situations.

**Highlights:** Preparation guidance, Response strategies, Incident management, Official U.S. Army branding

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

**In-app purchases:** none


### Learn Compiler Design

[App page](https://appshunter.io/ios/app/learn-compiler-design/id1671347748)

Master Compiler Design concepts through focused study and interactive quizzes. This app offers audio pronunciation for technical terms and bookmarking for flashcards and questions, aiding efficient learning and progress tracking.

**Highlights:** Audio pronunciation of terminologies, Text-to-Speech engine, Quizzes, Study Mode, Bookmarking for flashcards and quiz questions, Progress indicators, Overall progress visualization

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is Active Shooter Response (ASR) free?

Active Shooter Response (ASR) is free to download, with no in-app purchases.

### Is Learn Compiler Design free?

Learn Compiler Design is free to download, with in-app purchases available.

### Which has better reviews, Active Shooter Response (ASR) or Learn Compiler Design?

Learn Compiler Design is rated higher. Active Shooter Response (ASR) averages 3.7 out of 5 from 3 ratings, while Learn Compiler Design averages 5.0 from 1 ratings.

### Do Active Shooter Response (ASR) or Learn Compiler Design have ads?

Neither Active Shooter Response (ASR) nor Learn Compiler Design shows ads.

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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.*