# Build A Friend vs Card Stack 3D!

The clearest difference is in-app purchases: Card Stack 3D! at none against Build A Friend's 1. Build A Friend's advantage is update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Build A Friend sells 1 one-off in-app purchase. Card Stack 3D! asks for nothing beyond the download.

Build A Friend ships an update weekly, Card Stack 3D! monthly. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Build A Friend | Card Stack 3D! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Monthly |
| Size | 358 MB | 91 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Smith](https://appshunter.io/developer/483881207) | [Playnoob](https://appshunter.io/developer/1627222754) |

## What reviewers say

### Build A Friend

[App page](https://appshunter.io/ios/app/build-a-friend/id6467549551)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


### Card Stack 3D!

[App page](https://appshunter.io/ios/app/card-stack-3d/id6476606048)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Build A Friend free?

Build A Friend is free to download, with in-app purchases available.

### Is Card Stack 3D! free?

Card Stack 3D! is free to download, with no in-app purchases.

### Do Build A Friend or Card Stack 3D! have ads?

Both Build A Friend and Card Stack 3D! show ads.

### Which is updated more often, Build A Friend or Card Stack 3D!?

Build A Friend ships an update weekly, and Card Stack 3D! monthly. Most recently, Build A Friend was updated on October 9, 2026 and Card Stack 3D! on October 10, 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.*