# Cosmo Pop vs Line Thread

The clearest difference is in-app purchases: Line Thread at none against Cosmo Pop's 6. Cosmo Pop's advantage is update cadence (every 2 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cosmo Pop sells 6 one-off in-app purchases. Line Thread asks for nothing beyond the download.

Cosmo Pop ships an update every 2 days, Line Thread fortnightly. The most recent releases landed on September 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Cosmo Pop | Line Thread |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Fortnightly |
| Size | 354 MB | 144 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jan Kennu Paz](https://appshunter.io/developer/1896762343) | [跃 于](https://appshunter.io/developer/1853767161) |

## What reviewers say

### Cosmo Pop

[App page](https://appshunter.io/ios/app/cosmo-pop-merge-planets/id6770739694)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 150 Stars | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 500 Stars | $4.99 | one-time |
| 1,200 Stars | $9.99 | one-time |
| 3,000 Stars | $19.99 | one-time |
| 8,000 Stars | $49.99 | one-time |


### Line Thread

[App page](https://appshunter.io/ios/app/line-thread/id6784157488)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cosmo Pop free?

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

### Is Line Thread free?

Line Thread is free to download, with no in-app purchases.

### Do Cosmo Pop or Line Thread have ads?

Both Cosmo Pop and Line Thread show ads.

### Which is updated more often, Cosmo Pop or Line Thread?

Cosmo Pop ships an update every 2 days, and Line Thread fortnightly. Most recently, Cosmo Pop was updated on September 8, 2026 and Line Thread on September 23, 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.*