# Tech Interview Prep vs lvlUpSysDesign

The clearest difference is device support: Tech Interview Prep at 3 against lvlUpSysDesign's 1. Tech Interview Prep also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Tech Interview Prep | lvlUpSysDesign |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lvlupsysdesign/id6808722454/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Daily | Daily |
| Monetization | — | Free |
| Size | 25 MB | 21 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Aman Navani](https://appshunter.io/developer/1866204326) | [Affirmi Inc.](https://appshunter.io/developer/1643339370) |

## What reviewers say

### Tech Interview Prep

[App page](https://appshunter.io/ios/app/tech-interview-prep/id6757340798)

**Features:** macOS Compatibility

**In-app purchases:** none


### lvlUpSysDesign

[App page](https://appshunter.io/ios/app/lvlupsysdesign/id6808722454)

Practice system design interviews with timed, paper-based mock exams. Receive instant feedback and scores on your drawings, identifying key areas for improvement. Track your progress over time to build confidence for real interviews.

**Highlights:** Timed mock system design interviews, Paper-based drawing practice, Automated grading and scoring, Detailed debrief with feedback, Progress tracking over attempts, Four-step interview ritual simulation

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

**In-app purchases:** none


## Frequently asked questions

### Is Tech Interview Prep free?

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

### Is lvlUpSysDesign free?

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

### Do Tech Interview Prep or lvlUpSysDesign have ads?

Neither Tech Interview Prep nor lvlUpSysDesign shows ads.

### Which is updated more often, Tech Interview Prep or lvlUpSysDesign?

Tech Interview Prep ships an update daily, and lvlUpSysDesign daily. Most recently, Tech Interview Prep was updated on October 8, 2026 and lvlUpSysDesign on October 5, 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.*