# Learning Tracker vs System Design interview prep

The clearest difference is in-app purchases: Learning Tracker at none against System Design interview prep's 5. Learning Tracker also leads on ads (none vs shown) and iOS requirement (9.0 vs 17.6). System Design interview prep's advantage is update cadence (monthly vs every 7 months). On price 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. Learning Tracker asks for nothing beyond the download.

Learning Tracker ships an update every 7 months, System Design interview prep monthly. The most recent releases landed on October 1, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Learning Tracker | System Design interview prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/system-design-interview-prep/id6756310915/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 89 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tampere University](https://appshunter.io/developer/1796836523) | [Abdelhak El Moussaoui](https://appshunter.io/developer/1827690433) |

## What reviewers say

### Learning Tracker

[App page](https://appshunter.io/ios/app/learning-tracker/id1221361135)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Learning Tracker free?

Learning Tracker is free to download, with no in-app purchases.

### Is System Design interview prep free?

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

### Do Learning Tracker or System Design interview prep have ads?

System Design interview prep shows ads; Learning Tracker does not.

### Which is updated more often, Learning Tracker or System Design interview prep?

Learning Tracker ships an update every 7 months, and System Design interview prep monthly. Most recently, Learning Tracker was updated on October 1, 2026 and System Design interview prep on September 26, 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.*