# Weld Merge vs Blastris

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

Both are free to download. Blastris sells 3 one-off in-app purchases. Weld Merge asks for nothing beyond the download.

Weld Merge ships an update every 3 days, Blastris weekly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Weld Merge | Blastris |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Size | 190 MB | 81 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [3A YAPIM VE YAZILIM DANISMANLIK LIMITED SIRKETI](https://appshunter.io/developer/1493049868) | [Berat Oguz](https://appshunter.io/developer/1124816969) |

## What reviewers say

### Weld Merge

[App page](https://appshunter.io/ios/app/weld-merge/id6475810363)

**In-app purchases:** none


### Blastris

[App page](https://appshunter.io/ios/app/blastris/id6476766796)

**Features:** macOS Compatibility

**In-app purchases (3)**

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


## Frequently asked questions

### Is Weld Merge free?

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

### Is Blastris free?

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

### Do Weld Merge or Blastris have ads?

Both Weld Merge and Blastris show ads.

### Which is updated more often, Weld Merge or Blastris?

Weld Merge ships an update every 3 days, and Blastris weekly. Most recently, Weld Merge was updated on October 27, 2026 and Blastris on October 30, 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.*