# Winter Arc vs Unthink

The clearest difference is update cadence: Winter Arc at every 5 days against Unthink's every 3 weeks. Unthink's advantage is iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Winter Arc sells 3 in-app purchases, starting at $7.99 per month and Unthink sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Winter Arc ships an update every 5 days, Unthink every 3 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Winter Arc | Unthink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 6 MB | 53 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Moonshot Media Limited](https://appshunter.io/developer/1895657487) | [Nico Lange](https://appshunter.io/developer/6797797100) |

## What reviewers say

### Winter Arc

[App page](https://appshunter.io/ios/app/winter-arc-lock-in-challenge/id6807204714)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Winter Arc Monthly | $7.99 | per month |
| Winter Arc Yearly | $24.99 | per year |
| Winter Arc Lifetime | $34.99 | one-time |


### Unthink

[App page](https://appshunter.io/ios/app/unthink-stop-overthinking/id6813588513)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $8.99 | per month |
| Yearly | $44.99 | per year |


## Frequently asked questions

### Is Winter Arc free?

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

### Is Unthink free?

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

### Do Winter Arc or Unthink have ads?

Neither Winter Arc nor Unthink shows ads.

### Which is updated more often, Winter Arc or Unthink?

Winter Arc ships an update every 5 days, and Unthink every 3 weeks. Most recently, Winter Arc was updated on October 28, 2026 and Unthink on October 24, 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.*