# Arc vs Winter Arc

The clearest difference is update cadence: Winter Arc at every 5 days against Arc's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Arc sells 3 in-app purchases, starting at $2.99 per month and Winter Arc sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Arc ships an update every 9 days, Winter Arc every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Arc | Winter Arc |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 18 MB | 6 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [岚烜 吴](https://appshunter.io/developer/6788589687) | [Moonshot Media Limited](https://appshunter.io/developer/1895657487) |

## What reviewers say

### Arc

[App page](https://appshunter.io/ios/app/arc-75-day-challenge-tracker/id6796747380)

Track daily routines and build habits with customizable challenges. Integrates with Apple Health for automatic task completion. Offers a free starter challenge and optional Pro features for advanced tracking.

**Highlights:** Customizable challenge lengths (21-90 days), Apple Health auto-tracking integration, Strict mode for missed days, Finisher card with completion details, Home and lock screen widgets, No account required for privacy

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arc Pro Monthly | $2.99 | per month |
| Arc Pro Yearly | $19.99 | per year |
| Arc Pro | $29.99 | one-time |


### 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 |


## Frequently asked questions

### Is Arc free?

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

### Is Winter Arc free?

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

### Do Arc or Winter Arc have ads?

Neither Arc nor Winter Arc shows ads.

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

Arc ships an update every 9 days, and Winter Arc every 5 days. Most recently, Arc was updated on October 31, 2026 and Winter Arc on October 31, 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.*