# HT積木方塊 vs Rocket Simulator

The clearest difference is in-app purchases: HT積木方塊 at none against Rocket Simulator's 6. HT積木方塊 also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Rocket Simulator sells 6 in-app purchases, starting at $6.99 per 7 days. HT積木方塊 asks for nothing beyond the download.

HT積木方塊 ships an update fortnightly, Rocket Simulator every 2 months. Both last shipped on September 23, 2026.

## The numbers

| Metric | HT積木方塊 | Rocket Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (422 ratings)](https://appshunter.io/ios/app/rocket-simulator-spaceflight/id1624406379/reviews)** |
| Number of ratings | — | **422** |
| Positive reviews | — | 10.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 99 MB | 280 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Holtek Semiconductor(China) Inc](https://appshunter.io/developer/1052056181) | [Education Terra](https://appshunter.io/developer/946819038) |

## What reviewers say

### HT積木方塊

[App page](https://appshunter.io/ios/app/ht/id1531434981)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rocket Simulator

[App page](https://appshunter.io/ios/app/rocket-simulator-spaceflight/id1624406379)

Build and launch your own rockets in augmented reality. Assemble various rocket models, learn about their history and functions, and customize them with AI-generated stickers. Experience space exploration with different missions and modes.

**Highlights:** AR rocket assembly, Rocket model customization, Historical rocket information, AI sticker generation, Flight simulation, Educational facts about rockets

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rocket Ship - 1 Week | $6.99 | per 7 days |
| 1 Week Subscription | $9.99 | per 7 days |
| Rocket Simulator: Spaceflight | $19.99 | per month |
| Rocket Ship Building & Launch | $20.99 | per year |
| 3 Months Subscription | $20.99 | per 3 months |
| 2 Months Subscription | $39.99 | per 2 months |

**What reviewers like**

- 👍 Cool concept
- 👍 Epic game
- 👍 Nice
- 👍 Good game
- 👍 Great game!

**What reviewers complain about**

- 💸 Pay to play
- 💸 Subscription required
- 💸 Expensive
- 💸 Misleading free trial
- 💸 Unusable without payment

**Reported bugs**

- Parts don't connect
- No command center on launch
- Rocket goes to sky and mission complete
- Animations not shown correctly
- Slow rollout animation

**Requested features**

- Add command center
- Add space exploration
- Add more to the game
- Add staging and space rocket control
- Add other planets to land on


## Frequently asked questions

### Is HT積木方塊 free?

HT積木方塊 is free to download, with no in-app purchases.

### Is Rocket Simulator free?

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

### Do HT積木方塊 or Rocket Simulator have ads?

Rocket Simulator shows ads; HT積木方塊 does not.

### Which is updated more often, HT積木方塊 or Rocket Simulator?

HT積木方塊 ships an update fortnightly, and Rocket Simulator every 2 months. Most recently, HT積木方塊 was updated on September 23, 2026 and Rocket Simulator on September 23, 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.*