# Winter Arc Tracker vs Transform With Science

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

Both are free to download. Winter Arc Tracker sells 1 one-off in-app purchase and Transform With Science sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Winter Arc Tracker ships an update every 6 days, Transform With Science every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Winter Arc Tracker | Transform With Science |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/winter-arc-tracker-winterlock/id6807602638/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 37 MB | 52 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GCL Tech](https://appshunter.io/developer/1784049183) | [Hafiz Zaigham Rasul](https://appshunter.io/developer/1630747078) |

## What reviewers say

### Winter Arc Tracker

[App page](https://appshunter.io/ios/app/winter-arc-tracker-winterlock/id6807602638)

This app helps you commit to personal goals during the winter months by setting daily rules and tracking your adherence. It provides a visual representation of your progress and streak, encouraging consistency. The app works offline and requires no account creation.

**Highlights:** Set up to 10 daily non-negotiable rules, Create a personalized contract card, Daily check-in to lock in progress, Visual 92-day grid for streak tracking, Offline functionality, Optional daily reminders

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Transform With Science

[App page](https://appshunter.io/ios/app/transform-with-science-tws/id6810649846)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $14.99 | per month |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Winter Arc Tracker free?

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

### Is Transform With Science free?

Transform With Science is free to download, with in-app purchases available.

### Do Winter Arc Tracker or Transform With Science have ads?

Winter Arc Tracker shows ads; Transform With Science does not.

### Which is updated more often, Winter Arc Tracker or Transform With Science?

Winter Arc Tracker ships an update every 6 days, and Transform With Science every 3 weeks. Most recently, Winter Arc Tracker was updated on October 24, 2026 and Transform With Science on October 25, 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.*