# Thread Merge vs Polar Cipher

The clearest difference is in-app purchases: Thread Merge at none against Polar Cipher's 8. Thread 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. Polar Cipher sells 8 one-off in-app purchases. Thread Merge asks for nothing beyond the download.

Thread Merge ships an update daily, Polar Cipher weekly. The most recent releases landed on September 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Thread Merge | Polar Cipher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/polar-cipher/id6759508669/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 107 MB | 165 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luc Vu](https://appshunter.io/developer/1688989266) | [Overtime Innovations LLC](https://appshunter.io/developer/1874782702) |

## What reviewers say

### Thread Merge

[App page](https://appshunter.io/ios/app/thread-merge/id6746748379)

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

**In-app purchases:** none


### Polar Cipher

[App page](https://appshunter.io/ios/app/polar-cipher/id6759508669)

Engage in a strategic ice-puzzle adventure where careful planning and precise movements are key to solving each level. Progress through a multi-chapter story with increasing difficulty, unique challenges, and rewarding progression. Unlock power-ups and cosmetic items as you master the game.

**Highlights:** Handcrafted puzzle levels, Strategy-focused gameplay, 3-star level goals, Unlockable power-ups, Cosmetic player skins, Optional expansion packs

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Crystals | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 2,000 Crystals | $2.99 | one-time |
| Frozen Meridian Level Pack | $3.99 | one-time |
| Icewind Corridor Level Pack | $3.99 | one-time |
| Black Ice Bastion Level Pack | $4.99 | one-time |
| 5,000 Crystals | $4.99 | one-time |
| Bundle Level Pack | $9.99 | one-time |


## Frequently asked questions

### Is Thread Merge free?

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

### Is Polar Cipher free?

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

### Do Thread Merge or Polar Cipher have ads?

Both Thread Merge and Polar Cipher show ads.

### Which is updated more often, Thread Merge or Polar Cipher?

Thread Merge ships an update daily, and Polar Cipher weekly. Most recently, Thread Merge was updated on September 24, 2026 and Polar Cipher on October 6, 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.*