# Stack Mania 3D vs Coupon Merge

The clearest difference is in-app purchases: Coupon Merge at none against Stack Mania 3D's 3. Coupon Merge also leads on update cadence (daily vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Stack Mania 3D sells 3 one-off in-app purchases. Coupon Merge asks for nothing beyond the download.

Stack Mania 3D ships an update weekly, Coupon Merge daily. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Stack Mania 3D | Coupon Merge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Daily** |
| Size | 83 MB | 141 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Berat Oguz](https://appshunter.io/developer/1124816969) | [Bahadir Yerdelen](https://appshunter.io/developer/399810241) |

## What reviewers say

### Stack Mania 3D

[App page](https://appshunter.io/ios/app/stack-mania-3d/id6477691625)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 | $2.99 | one-time |
| 700 | $9.99 | one-time |
| 2000 | $24.99 | one-time |


### Coupon Merge

[App page](https://appshunter.io/ios/app/coupon-merge/id6478477968)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack Mania 3D free?

Stack Mania 3D is free to download, with in-app purchases available.

### Is Coupon Merge free?

Coupon Merge is free to download, with no in-app purchases.

### Do Stack Mania 3D or Coupon Merge have ads?

Both Stack Mania 3D and Coupon Merge show ads.

### Which is updated more often, Stack Mania 3D or Coupon Merge?

Stack Mania 3D ships an update weekly, and Coupon Merge daily. Most recently, Stack Mania 3D was updated on October 8, 2026 and Coupon Merge on October 1, 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.*