# KWind vs ZORIA Sky

The clearest difference is in-app purchases: KWind at none against ZORIA Sky's 2. KWind also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). ZORIA Sky's advantage is update cadence (every 2 days vs every 5 days). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. ZORIA Sky sells 2 in-app purchases, starting at $3.99 per month. KWind asks for nothing beyond the download.

KWind ships an update every 5 days, ZORIA Sky every 2 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KWind | ZORIA Sky |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free | Free |
| Size | 43 MB | 22 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Helium Smart World](https://appshunter.io/developer/1704457081) | [cedric liagre](https://appshunter.io/developer/6797196379) |

## What reviewers say

### KWind

[App page](https://appshunter.io/ios/app/kwind/id1639308464)

This app provides real-time wind data, personalized alerts, and detailed spot information for wind sports enthusiasts. Plan your sessions with live conditions, historical trends, and tide details.

**Highlights:** Live wind data, Wind notifications, Spot guides, Wind history analysis, Wind statistics, Tide details, Wind station map

**Features:** macOS Compatibility

**In-app purchases:** none


### ZORIA Sky

[App page](https://appshunter.io/ios/app/zoria-sky/id6797196377)

This app predicts the quality of sunrise and sunset based on weather data, assigning a score from 0-100. It calculates exact astronomical times and offers a 10-day forecast, allowing users to set alerts for optimal viewing conditions. Users can also log their observations and share photos.

**Highlights:** Sunrise/sunset quality score (0-100), Detailed weather data analysis, Exact astronomical time calculations, 10-day forecast, Customizable alert thresholds, Real-time sun position globe, Photo logging with weather data

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZORIA Pro — monthly | $3.99 | per month |
| ZORIA Pro — yearly | $24.99 | per year |


## Frequently asked questions

### Is KWind free?

KWind is free to download, with no in-app purchases.

### Is ZORIA Sky free?

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

### Do KWind or ZORIA Sky have ads?

Neither KWind nor ZORIA Sky shows ads.

### Which is updated more often, KWind or ZORIA Sky?

KWind ships an update every 5 days, and ZORIA Sky every 2 days. Most recently, KWind was updated on October 27, 2026 and ZORIA Sky 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.*