# Zincir vs Cold Focus

The clearest difference is in-app purchases: Zincir at none against Cold Focus's 3. Cold Focus's advantage is iOS requirement (15.1 vs 26.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cold Focus sells 3 in-app purchases, starting at $7.99 per month. Zincir asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Zincir | Cold Focus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 17 MB | 241 MB |
| Requires iOS | 26.1 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Hasan Cagan Kocak](https://appshunter.io/developer/1837362780) | [HASAN BURAK ERDIN](https://appshunter.io/developer/6789549035) |

## What reviewers say

### Zincir

[App page](https://appshunter.io/ios/app/zincir-alskanlk-takibi/id6759631380)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cold Focus

[App page](https://appshunter.io/ios/app/cold-focus-deep-work-timer/id6789549033)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cold Focus Premium (Monthly) | $7.99 | per month |
| Cold Focus Premium (Yearly) | $49.99 | per year |
| Cold Focus Premium (Yearly) | $59.99 | per year |


## Frequently asked questions

### Is Zincir free?

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

### Is Cold Focus free?

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

### Do Zincir or Cold Focus have ads?

Neither Zincir nor Cold Focus shows ads.

### Which is updated more often, Zincir or Cold Focus?

Zincir ships an update every 2 weeks, and Cold Focus every 2 weeks. Most recently, Zincir was updated on October 25, 2026 and Cold Focus on October 9, 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.*