# Vesper Sky vs WeatherCast Pro

The clearest difference is update cadence: WeatherCast Pro at every 3 days against Vesper Sky's monthly. WeatherCast Pro also leads on iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Vesper Sky sells 3 in-app purchases, starting at $2.99 per month and WeatherCast Pro sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Vesper Sky ships an update monthly, WeatherCast Pro every 3 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Vesper Sky | WeatherCast Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 126 MB | 62 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iSimplifyMe LLC](https://appshunter.io/developer/1887111241) | [William Hillman](https://appshunter.io/developer/1736864917) |

## What reviewers say

### Vesper Sky

[App page](https://appshunter.io/ios/app/vesper-sky/id6762069223)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vesper | $2.99 | per month |
| Vesper Annual | $24.99 | per year |
| Vesper Lifetime | $59.99 | one-time |


### WeatherCast Pro

[App page](https://appshunter.io/ios/app/weathercast-pro/id6775716539)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WeatherCast Pro Premium | $1.99 | per month |


## Frequently asked questions

### Is Vesper Sky free?

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

### Is WeatherCast Pro free?

WeatherCast Pro is free to download, with in-app purchases available.

### Do Vesper Sky or WeatherCast Pro have ads?

Neither Vesper Sky nor WeatherCast Pro shows ads.

### Which is updated more often, Vesper Sky or WeatherCast Pro?

Vesper Sky ships an update monthly, and WeatherCast Pro every 3 days. Most recently, Vesper Sky was updated on October 31, 2026 and WeatherCast Pro on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*