# Block With U vs Dragon ISS Docking Simulator

The clearest difference is in-app purchases: Block With U at none against Dragon ISS Docking Simulator's 3. Dragon ISS Docking Simulator's advantage is iOS requirement (14.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Dragon ISS Docking Simulator sells 3 one-off in-app purchases. Block With U asks for nothing beyond the download.

Block With U ships an update every 3 months, Dragon ISS Docking Simulator every 2 months. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Block With U | Dragon ISS Docking Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 78 MB | 206 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomohide Iwadate](https://appshunter.io/developer/1444532887) | [Vitalii Lebedynskyi](https://appshunter.io/developer/1658553626) |

## What reviewers say

### Block With U

[App page](https://appshunter.io/ios/app/block-with-u/id1444532888)

Navigate through 50 challenging stages in this engaging game. Enjoy a fun and interactive experience with simple mechanics. Perfect for quick play sessions.

**Highlights:** 50 distinct stages, Engaging gameplay, Simple mechanics, Quick play sessions, Designed for fun

**Features:** macOS Compatibility

**In-app purchases:** none


### Dragon ISS Docking Simulator

[App page](https://appshunter.io/ios/app/dragon-iss-docking-simulator/id1658553624)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate $1.19 | $0.99 | one-time |
| Donate 3.49 | $2.99 | one-time |
| Donate $5.99 | $4.99 | one-time |


## Frequently asked questions

### Is Block With U free?

Block With U is free to download, with no in-app purchases.

### Is Dragon ISS Docking Simulator free?

Dragon ISS Docking Simulator is free to download, with in-app purchases available.

### Do Block With U or Dragon ISS Docking Simulator have ads?

Both Block With U and Dragon ISS Docking Simulator show ads.

### Which is updated more often, Block With U or Dragon ISS Docking Simulator?

Block With U ships an update every 3 months, and Dragon ISS Docking Simulator every 2 months. Most recently, Block With U was updated on October 10, 2026 and Dragon ISS Docking Simulator on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*