# System Design interview prep vs Mbaza AI

The clearest difference is rating: Mbaza AI at 5.0 against System Design interview prep's 1.0. Mbaza AI also leads on in-app purchases (none vs 5) and ads (none vs shown). System Design interview prep's advantage is update cadence (monthly vs every 3 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. System Design interview prep sells 5 in-app purchases, starting at $3.99 per 7 days. Mbaza AI asks for nothing beyond the download.

Mbaza AI holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

System Design interview prep ships an update monthly, Mbaza AI every 3 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | System Design interview prep | Mbaza AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/system-design-interview-prep/id6756310915/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mbaza-ai/id6760286537/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 89 MB | 40 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Abdelhak El Moussaoui](https://appshunter.io/developer/1827690433) | [Christine Umuhire](https://appshunter.io/developer/1876633343) |

## What reviewers say

### System Design interview prep

[App page](https://appshunter.io/ios/app/system-design-interview-prep/id6756310915)

This app simulates system design interviews with an AI interrogator and interactive scenarios. Practice real-world architecture problems, receive instant feedback, and track your progress to ace your next tech interview.

**Highlights:** Interactive War Room for architecture scenarios, AI Interrogator challenges design decisions, Realistic system design interview questions, Daily practice drills for skill sharpening, Detailed performance analytics, Instant feedback and best practice learning

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $3.99 | per 7 days |
| Unlimited access | $4.99 | per 7 days |
| Unlimited access | $6.99 | per month |
| Unlimited access | $12.99 | per month |
| Unlimited access | $99.99 | per year |


### Mbaza AI

[App page](https://appshunter.io/ios/app/mbaza-ai/id6760286537)

This AI-powered tutor offers adaptive, voice-based guidance to help students learn. It provides personalized support to enhance understanding and engagement in educational subjects.

**Highlights:** Adaptive voice-based guidance, Personalized learning support, Student-focused education, AI-powered tutoring

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

**In-app purchases:** none


## Frequently asked questions

### Is System Design interview prep free?

System Design interview prep is free to download, with in-app purchases available.

### Is Mbaza AI free?

Mbaza AI is free to download, with no in-app purchases.

### Which has better reviews, System Design interview prep or Mbaza AI?

Mbaza AI is rated higher. System Design interview prep averages 1.0 out of 5 from 2 ratings, while Mbaza AI averages 5.0 from 1 ratings.

### Do System Design interview prep or Mbaza AI have ads?

System Design interview prep shows ads; Mbaza AI does not.

### Which is updated more often, System Design interview prep or Mbaza AI?

System Design interview prep ships an update monthly, and Mbaza AI every 3 months. Most recently, System Design interview prep was updated on October 30, 2026 and Mbaza AI on October 31, 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.*