# Brain Physics Drop vs US Tractor 3D Simulator Games

The clearest difference is update cadence: Brain Physics Drop at every 3 weeks against US Tractor 3D Simulator Games's every 76 months. Brain Physics Drop also leads on iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Brain Physics Drop sells 9 one-off in-app purchases and US Tractor 3D Simulator Games sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Brain Physics Drop ships an update every 3 weeks, US Tractor 3D Simulator Games every 76 months. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Brain Physics Drop | US Tractor 3D Simulator Games |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/brain-physics-drop/id1191210843/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 76 months |
| Monetization | Free with in-app purchases | — |
| Size | 97 MB | 179 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BTPRO BILGI TEKNOLOJILERI ANONIM SIRKETI](https://appshunter.io/developer/1128132478) | [Yasir Majeed](https://appshunter.io/developer/1326144589) |

## What reviewers say

### Brain Physics Drop

[App page](https://appshunter.io/ios/app/brain-physics-drop/id1191210843)

Draw lines and shapes to solve physics-based puzzles by guiding an emoji. This game offers challenging brain teasers for all ages, with multiple solutions to discover and the ability to compete with friends.

**Highlights:** Draw lines and shapes freely, Solve physics-based puzzles, Guide an emoji with gravity, Multiple solutions per puzzle, Compete with friends, Brain training challenges

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stage 2 | $0.99 | one-time |
| Stage 3 | $0.99 | one-time |
| Stage 4 | $0.99 | one-time |
| Stage 5 | $0.99 | one-time |
| Stage 6 | $0.99 | one-time |
| Stage 7 | $0.99 | one-time |
| Stage 8 | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| All Hints | $2.99 | one-time |


### US Tractor 3D Simulator Games

[App page](https://appshunter.io/ios/app/us-tractor-3d-simulator-games/id1512350992)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300coin | $1.99 | one-time |
| 500coin | $2.99 | one-time |
| 1000coin | $4.99 | one-time |
| 3000coin | $7.99 | one-time |
| 5000coin | $9.99 | one-time |
| 10000coin | $14.99 | one-time |


## Frequently asked questions

### Is Brain Physics Drop free?

Brain Physics Drop is free to download, with in-app purchases available.

### Is US Tractor 3D Simulator Games free?

US Tractor 3D Simulator Games is free to download, with in-app purchases available.

### Do Brain Physics Drop or US Tractor 3D Simulator Games have ads?

Neither Brain Physics Drop nor US Tractor 3D Simulator Games shows ads.

### Which is updated more often, Brain Physics Drop or US Tractor 3D Simulator Games?

Brain Physics Drop ships an update every 3 weeks, and US Tractor 3D Simulator Games every 76 months. Most recently, Brain Physics Drop was updated on October 12, 2026 and US Tractor 3D Simulator Games on October 3, 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.*