# Aetheria vs Winter Arc

The clearest difference is ads: Aetheria at none against Winter Arc's shown. Aetheria also leads on iOS requirement (13.0 vs 17.0). Winter Arc's advantage is update cadence (every 8 days vs every 4 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Aetheria sells 1 one-off in-app purchase and Winter Arc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Aetheria ships an update every 4 months, Winter Arc every 8 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Aetheria | Winter Arc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (6 ratings)](https://appshunter.io/ios/app/winter-arc-90-days-challenge/id6801043027/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 14 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alperen Eroglu](https://appshunter.io/developer/1872514816) | [Ikuhei Kure](https://appshunter.io/developer/1837581334) |

## What reviewers say

### Aetheria

[App page](https://appshunter.io/ios/app/aetheria-spatial-audio-focus/id6758530597)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aetheria Lifetime Pro | $19.99 | one-time |


### Winter Arc

[App page](https://appshunter.io/ios/app/winter-arc-90-days-challenge/id6801043027)

This app helps you build habits over 90 days by setting daily rules and tracking your progress. It offers flexibility with grace days and rescue options, and visualizes your journey with a heatmap and journal. Share your achievements and stay motivated with widgets and reminders.

**Highlights:** Set daily rules and sign a contract, Flexible streak tracking with grace days, 90-square heatmap progress visualization, Private journal with photo entries, Shareable progress cards, Home and lock screen widgets, Unlimited arcs with one-time upgrade

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Winter Arc - Premium | $9.99 | one-time |


## Frequently asked questions

### Is Aetheria free?

Aetheria 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 Aetheria or Winter Arc have ads?

Winter Arc shows ads; Aetheria does not.

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

Aetheria ships an update every 4 months, and Winter Arc every 8 days. Most recently, Aetheria was updated on October 28, 2026 and Winter Arc 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.*