# 75 Days Challenge vs Winter Arc by Coldstart

The clearest difference is update cadence: 75 Days Challenge at every 2 weeks against Winter Arc by Coldstart's every 6 weeks. 75 Days Challenge also leads on ratings volume (692 vs 99). Winter Arc by Coldstart's advantage is iOS requirement (16.4 vs 18.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. 75 Days Challenge sells 18 in-app purchases, starting at $1.99 per 7 days and Winter Arc by Coldstart sells 7 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for 75 Days Challenge against 4.8 for Winter Arc by Coldstart. That said, the two scores are not equally well evidenced: 75 Days Challenge has 692 ratings behind it against 99, so its average is the more settled of the two.

75 Days Challenge ships an update every 2 weeks, Winter Arc by Coldstart every 6 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | 75 Days Challenge | Winter Arc by Coldstart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (692 ratings)](https://appshunter.io/ios/app/75-days-challenge-better/id6667095733/reviews) | **[4.8 (99 ratings)](https://appshunter.io/ios/app/winter-arc-by-coldstart/id6736709926/reviews)** |
| Number of ratings | **692** | 99 |
| Positive reviews | 57.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 91 MB | 71 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Parnev](https://appshunter.io/developer/1645934480) | [TheRoaming, Inc](https://appshunter.io/developer/1660099104) |

## What reviewers say

### 75 Days Challenge

[App page](https://appshunter.io/ios/app/75-days-challenge-better/id6667095733)

This app helps you build lasting habits by tracking your progress on custom challenges. Set flexible durations, log daily progress with photos and notes, and monitor weight trends. Stay motivated with home screen widgets to maintain your streaks.

**Highlights:** Custom challenges, Flexible durations, Home Screen widgets, Photo progress & compare, Notes on every entry, Weight tracking & summaries

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access (Weekly) | $1.99 | per 7 days |
| Full Access | $2.99 | per month |
| Full Access (Monthly) | $3.99 | per month |
| Pro | $5.99 | per 7 days |
| Full Access (Weekly) | $5.99 | per 7 days |
| Full Access | $5.99 | per month |
| Full Access (Monthly) | $9.99 | per month |
| Full Access (Annual) | $19.99 | per year |
| Full Access (Annual) | $29.99 | per year |
| Full access | $39.99 | per year |
| Full Access (Annual) | $49.99 | per year |
| Pro | $59.99 | per year |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Lifetime Premium | $5.99 | one-time |
| Lifetime Pro | $9.99 | one-time |
| Lifetime Premium | $19.99 | one-time |
| Lifetime Pro | $59.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 💡 Customizable challenges
- 🚀 Straightforward layout
- 🔒 Lifetime premium access

**What reviewers complain about**

- 🐛 Glitchy and buggy
- 🚫 Limited features for paid version
- 💰 Not truly free, requires payment
- 🤔 Lack of advanced tracking features

**Reported bugs**

- Settings page freezes app
- Checklist widget doesn't update automatically
- App gets stuck on day 6 and won't unlock
- Camera function is unreliable

**Requested features**

- Add ability to start over at day 1 instead of resetting whole challenge
- Integrate with friends/social features
- Expand tracking capabilities beyond just weight and photos
- Add more customization options


### 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 |


## Frequently asked questions

### Is 75 Days Challenge free?

75 Days Challenge is free to download, with in-app purchases available.

### Is Winter Arc by Coldstart free?

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

### Which has better reviews, 75 Days Challenge or Winter Arc by Coldstart?

Winter Arc by Coldstart is rated higher. 75 Days Challenge averages 4.8 out of 5 from 692 ratings, while Winter Arc by Coldstart averages 4.8 from 99 ratings.

### Do 75 Days Challenge or Winter Arc by Coldstart have ads?

Both 75 Days Challenge and Winter Arc by Coldstart show ads.

### Which is updated more often, 75 Days Challenge or Winter Arc by Coldstart?

75 Days Challenge ships an update every 2 weeks, and Winter Arc by Coldstart every 6 weeks. Most recently, 75 Days Challenge was updated on October 30, 2026 and Winter Arc by Coldstart on October 30, 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.*