# Build It 3D vs Trace The Line

The clearest difference is rating: Trace The Line at 5.0 against Build It 3D's 3.4. Build It 3D's advantage is in-app purchases (none vs 2) and update cadence (every 8 days vs every 4 weeks). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Trace The Line sells 2 one-off in-app purchases. Build It 3D asks for nothing beyond the download.

Trace The Line holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 5 and 6 respectively.

Build It 3D ships an update every 8 days, Trace The Line every 4 weeks. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Build It 3D | Trace The Line |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/build-it-3d/id1507720396/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/trace-the-line/id6770920463/reviews)** |
| Number of ratings | 5 | **6** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 8 days** | Every 4 weeks |
| Monetization | Ad-supported | Ad-supported |
| Size | 166 MB | 170 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [泽鹏 韦](https://appshunter.io/developer/1005504151) | [Affak .](https://appshunter.io/developer/1896252309) |

## What reviewers say

### Build It 3D

[App page](https://appshunter.io/ios/app/build-it-3d/id1507720396)

Engage in a satisfying construction simulation where you build roads from start to finish. Pour cement, flatten surfaces with a roller, lay bricks, and add the finishing touches with spray paint to create perfect roads.

**Highlights:** Pour cement, Flatten with roller, Pave bricks, Spray paint finishing, Satisfying simulation

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

**In-app purchases:** none


### Trace The Line

[App page](https://appshunter.io/ios/app/trace-the-line/id6770920463)

This is a one-line puzzle game where you must trace entire shapes with a single, continuous stroke. Plan your route carefully to complete each level without lifting your finger. It offers simple, engaging gameplay perfect for quick mental challenges.

**Highlights:** Complete shapes with one continuous line, Draw without lifting your finger, Simple and easy-to-understand gameplay, One line puzzle experience, Thoughtful path challenges, Great for quick breaks

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Power-Up bundle | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Build It 3D free?

Build It 3D is free to download, with no in-app purchases.

### Is Trace The Line free?

Trace The Line is free to download, with in-app purchases available.

### Which has better reviews, Build It 3D or Trace The Line?

Trace The Line is rated higher. Build It 3D averages 3.4 out of 5 from 5 ratings, while Trace The Line averages 5.0 from 6 ratings.

### Do Build It 3D or Trace The Line have ads?

Both Build It 3D and Trace The Line show ads.

### Which is updated more often, Build It 3D or Trace The Line?

Build It 3D ships an update every 8 days, and Trace The Line every 4 weeks. Most recently, Build It 3D was updated on October 18, 2026 and Trace The Line on October 24, 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.*