# Little Architect. 3D Bricks vs Modstack

The clearest difference is update cadence: Modstack at every 2 weeks against Little Architect. 3D Bricks's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Little Architect. 3D Bricks sells 1 in-app purchase, starting at $2.99 per 7 days and Modstack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Little Architect. 3D Bricks ships an update monthly, Modstack every 2 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Little Architect. 3D Bricks | Modstack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 34 MB | 31 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mustafa Demir](https://appshunter.io/developer/1658314272) | [NovoBuild LLC](https://appshunter.io/developer/1784126512) |

## What reviewers say

### Little Architect. 3D Bricks

[App page](https://appshunter.io/ios/app/little-architect-3d-bricks/id6773233098)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |


### Modstack

[App page](https://appshunter.io/ios/app/modstack-programming-puzzle/id6803866356)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Modstack | $3.99 | one-time |


## Frequently asked questions

### Is Little Architect. 3D Bricks free?

Little Architect. 3D Bricks is free to download, with in-app purchases available.

### Is Modstack free?

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

### Do Little Architect. 3D Bricks or Modstack have ads?

Neither Little Architect. 3D Bricks nor Modstack shows ads.

### Which is updated more often, Little Architect. 3D Bricks or Modstack?

Little Architect. 3D Bricks ships an update monthly, and Modstack every 2 weeks. Most recently, Little Architect. 3D Bricks was updated on October 31, 2026 and Modstack on October 29, 2026.

---

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