# Model Constructor 3D vs TrekMaster

The clearest difference is review sentiment: Model Constructor 3D at 100% against TrekMaster's 0%. Model Constructor 3D also leads on in-app purchases (none vs 1) and ratings volume (25 vs 2). TrekMaster's advantage is ads (none vs shown) and rating (4.0 vs 3.6). On price and device support there is nothing between them.

Both are free to download. TrekMaster sells 1 one-off in-app purchase. Model Constructor 3D asks for nothing beyond the download.

TrekMaster holds the better App Store score, 4.0 against 3.6. That said, the two scores are not equally well evidenced: Model Constructor 3D has 25 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 100% of Model Constructor 3D's written reviews are positive against 0% of TrekMaster's, so the app with the better star average is not the one people write more warmly about.

Model Constructor 3D ships an update every 2 months, TrekMaster every 10 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Model Constructor 3D | TrekMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (25 ratings)](https://appshunter.io/ios/app/model-constructor-3d/id1436938843/reviews) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/trekmaster/id6751462442/reviews)** |
| Number of ratings | **25** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Ad-supported | **Free** |
| Size | 294 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ben Walker](https://appshunter.io/developer/385443776) | [Gary Watson](https://appshunter.io/developer/1536272323) |

## What reviewers say

### Model Constructor 3D

[App page](https://appshunter.io/ios/app/model-constructor-3d/id1436938843)

Assemble realistic plastic models part by part in this engaging puzzle game. Learn how components fit together through intuitive drag-and-drop mechanics. Enjoy different difficulty modes, customize completed models, and compete on global leaderboards.

**Highlights:** Realistic plastic model assembly, Drag-and-drop part snapping, Easy and Hard puzzle modes, Model customization (color, animations), 360-degree model viewing, Global leaderboards

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

**In-app purchases:** none


### TrekMaster

[App page](https://appshunter.io/ios/app/trekmaster/id6751462442)

Test your knowledge of the Star Trek universe with this trivia quiz. It features a vast question bank covering ships, crew, aliens, and more, with adjustable timers for a personalized challenge. Learn as you play with correct answers revealed after each question.

**Highlights:** Vast Star Trek question bank, Randomized game sessions, Adjustable game timers, Untimed relaxed mode, Learn from revealed answers, Score saving

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| donation | $0.99 | one-time |


## Frequently asked questions

### Is Model Constructor 3D free?

Model Constructor 3D is free to download, with no in-app purchases.

### Is TrekMaster free?

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

### Which has better reviews, Model Constructor 3D or TrekMaster?

TrekMaster is rated higher. Model Constructor 3D averages 3.6 out of 5 from 25 ratings, while TrekMaster averages 4.0 from 2 ratings.

### Do Model Constructor 3D or TrekMaster have ads?

Model Constructor 3D shows ads; TrekMaster does not.

### Which is updated more often, Model Constructor 3D or TrekMaster?

Model Constructor 3D ships an update every 2 months, and TrekMaster every 10 days. Most recently, Model Constructor 3D was updated on October 24, 2026 and TrekMaster on October 25, 2026.

---

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