# US Citizenship Interview Prep vs CAS Mock Interview

The clearest difference is iOS requirement: CAS Mock Interview at 13.0 against US Citizenship Interview Prep's 15.1. 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.

## The numbers

| Metric | US Citizenship Interview Prep | CAS Mock Interview |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/us-citizenship-interview-prep/id6759361143/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Daily | — |
| Monetization | Free | — |
| Size | 46 MB | 25 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sola Lhim](https://appshunter.io/developer/1878293281) | [OUTLEAP TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1544701638) |

## What reviewers say

### US Citizenship Interview Prep

[App page](https://appshunter.io/ios/app/us-citizenship-interview-prep/id6759361143)

Prepare for your US citizenship interview with a voice-first tool that focuses on listening, speaking, and comprehension. Practice civics questions with AI feedback, track your application status, and access definitions for complex terms. Supports multiple languages and provides realistic mock tests.

**Highlights:** AI speech recognition for speaking practice, Hands-free study with smart listen mode, Definitions for N-400 vocabulary, Multi-language support, Local official updates, Automated review bank for weak areas, Realistic mock interview simulations

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

**In-app purchases:** none


### CAS Mock Interview

[App page](https://appshunter.io/ios/app/cas-mock-interview/id6779073303)

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

**In-app purchases:** none


## Frequently asked questions

### Is US Citizenship Interview Prep free?

US Citizenship Interview Prep is free to download, with no in-app purchases.

### Is CAS Mock Interview free?

CAS Mock Interview is free to download, with no in-app purchases.

### Do US Citizenship Interview Prep or CAS Mock Interview have ads?

Neither US Citizenship Interview Prep nor CAS Mock Interview 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.*