# ilm.ee vs ZORIA Sky

The clearest difference is in-app purchases: ilm.ee at none against ZORIA Sky's 2. ilm.ee also leads on iOS requirement (16.4 vs 18.0). ZORIA Sky's advantage is update cadence (every 2 days vs every 2 weeks). On price, ads and device support there is nothing between them.

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

ilm.ee ships an update every 2 weeks, ZORIA Sky every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | ilm.ee | ZORIA Sky |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 40 MB | 22 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OÜ Contranova](https://appshunter.io/developer/1896658605) | [cedric liagre](https://appshunter.io/developer/6797196379) |

## What reviewers say

### ilm.ee

[App page](https://appshunter.io/ios/app/ilmee/id6769438657)

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

**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 ilm.ee free?

ilm.ee 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 ilm.ee or ZORIA Sky have ads?

Neither ilm.ee nor ZORIA Sky shows ads.

### Which is updated more often, ilm.ee or ZORIA Sky?

ilm.ee ships an update every 2 weeks, and ZORIA Sky every 2 days. Most recently, ilm.ee was updated on October 31, 2026 and ZORIA Sky on October 31, 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.*