# Winter Arc by Coldstart vs Primal Fast

The clearest difference is ads: Primal Fast at none against Winter Arc by Coldstart's shown. Primal Fast also leads on update cadence (weekly vs every 6 weeks) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Winter Arc by Coldstart sells 7 in-app purchases, starting at $2.99 per month and Primal Fast sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Winter Arc by Coldstart ships an update every 6 weeks, Primal Fast weekly. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Winter Arc by Coldstart | Primal Fast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (42 ratings)](https://appshunter.io/ios/app/winter-arc-by-coldstart/id6736709926/reviews)** | — |
| Number of ratings | **42** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 43 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TheRoaming, Inc](https://appshunter.io/developer/1660099104) | [SERGEI JELUASVILI](https://appshunter.io/developer/1896539644) |

## What reviewers say

### Winter Arc by Coldstart

[App page](https://appshunter.io/ios/app/winter-arc-by-coldstart/id6736709926)

This app helps you achieve personal growth goals with a unique contract system. Create daily, weekly, or monthly tasks, sign and share your commitments, and track your progress with reminders and social sharing. Unlock unlimited tasks and notifications with a pro upgrade.

**Highlights:** Create custom or premade task contracts, Set daily, weekly, or monthly tasks, Sign and share goal contracts, Track progress with checklists, Receive reminders and inspirational quotes, Share progress on social media

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Winter Arc Pro | $2.99 | per month |
| Winter Arc Pro (Monthly) | $5.99 | per month |
| Winter Arc Pro Weekly | $9.99 | per 7 days |
| Winter Arc Pro (6 months) | $14.99 | per 6 months |
| Winter Arc Pro (Annual) | $24.99 | per year |
| Winter Arc Pro (Six Months) | $24.99 | per 6 months |
| Winter Arc Pro Annual | $49.99 | per year |


### Primal Fast

[App page](https://appshunter.io/ios/app/primal-fast-carnivore-timer/id6780590381)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Primal Fast Pro — Monthly | $6.99 | per month |
| Primal Fast Pro — Annual | $34.99 | per year |


## Frequently asked questions

### Is Winter Arc by Coldstart free?

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

### Is Primal Fast free?

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

### Do Winter Arc by Coldstart or Primal Fast have ads?

Winter Arc by Coldstart shows ads; Primal Fast does not.

### Which is updated more often, Winter Arc by Coldstart or Primal Fast?

Winter Arc by Coldstart ships an update every 6 weeks, and Primal Fast weekly. Most recently, Winter Arc by Coldstart was updated on October 16, 2026 and Primal Fast on October 13, 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.*