# Tech Interview Prep vs Syswise

The clearest difference is in-app purchases: Tech Interview Prep at none against Syswise's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Syswise sells 5 in-app purchases, starting at $4.99 per 7 days. Tech Interview Prep asks for nothing beyond the download.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on September 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Tech Interview Prep | Syswise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Daily | Daily |
| Size | 25 MB | 39 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Aman Navani](https://appshunter.io/developer/1866204326) | [Cengizhan Hakan](https://appshunter.io/developer/6796688466) |

## What reviewers say

### Tech Interview Prep

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Syswise

[App page](https://appshunter.io/ios/app/syswise-system-design-prep/id6796688464)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Annual | $39.99 | per year |
| 500 Gems | $1.99 | one-time |
| 1400 Gems | $4.99 | one-time |
| 3000 Gems | $9.99 | one-time |


## Frequently asked questions

### Is Tech Interview Prep free?

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

### Is Syswise free?

Syswise is free to download, with in-app purchases available.

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

Neither Tech Interview Prep nor Syswise shows ads.

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

Tech Interview Prep ships an update daily, and Syswise daily. Most recently, Tech Interview Prep was updated on September 21, 2026 and Syswise on October 7, 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.*