# Merge Stacks vs Twinblocks

The clearest difference is update cadence: Twinblocks at every 3 days against Merge Stacks's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Merge Stacks sells 1 one-off in-app purchase and Twinblocks sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Merge Stacks ships an update every 6 weeks, Twinblocks every 3 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Merge Stacks | Twinblocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 148 MB | 160 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tummy Games](https://appshunter.io/developer/1497883695) | [Berat Oguz](https://appshunter.io/developer/1124816969) |

## What reviewers say

### Merge Stacks

[App page](https://appshunter.io/ios/app/merge-stacks/id6443816519)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


### Twinblocks

[App page](https://appshunter.io/ios/app/twinblocks/id6475160180)

**Features:** macOS Compatibility

**In-app purchases (3)**

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


## Frequently asked questions

### Is Merge Stacks free?

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

### Is Twinblocks free?

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

### Do Merge Stacks or Twinblocks have ads?

Both Merge Stacks and Twinblocks show ads.

### Which is updated more often, Merge Stacks or Twinblocks?

Merge Stacks ships an update every 6 weeks, and Twinblocks every 3 days. Most recently, Merge Stacks was updated on October 16, 2026 and Twinblocks on October 8, 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.*