# RealXV6 vs Studicards

The clearest difference is update cadence: Studicards at daily against RealXV6's every 4 months. Studicards also leads on iOS requirement (13.0 vs 17.2). 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.

RealXV6 ships an update every 4 months, Studicards daily. The most recent releases landed on September 26, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | RealXV6 | Studicards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/realxv6/id6757357040/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free | — |
| Size | 15 MB | 19 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zheng Fang](https://appshunter.io/developer/1258046278) | [Stefan Muke](https://appshunter.io/developer/1896431446) |

## What reviewers say

### RealXV6

[App page](https://appshunter.io/ios/app/realxv6/id6757357040)

Explore the legendary Lions' Commentary on UNIX 6th Edition by bringing its source code to life. This app provides an interactive virtual machine to dynamically experience OS kernel operations, offering source-level debugging and precise execution control for a deeper understanding.

**Highlights:** Interactive virtual machine for OS study, Source-level debugging, Precise execution control (step in, over, out), Trace context switching and interrupts, Simplified 8086 architecture, Portable OS laboratory

**Features:** macOS Compatibility

**In-app purchases:** none


### Studicards

[App page](https://appshunter.io/ios/app/studicards-learn-flashcards/id6771107028)

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

**In-app purchases:** none


## Frequently asked questions

### Is RealXV6 free?

RealXV6 is free to download, with no in-app purchases.

### Is Studicards free?

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

### Do RealXV6 or Studicards have ads?

Neither RealXV6 nor Studicards shows ads.

### Which is updated more often, RealXV6 or Studicards?

RealXV6 ships an update every 4 months, and Studicards daily. Most recently, RealXV6 was updated on September 26, 2026 and Studicards on October 12, 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.*