# HumProbCalc (S) vs Windy.com

The clearest difference is price: Windy.com at Free against HumProbCalc (S)'s $1.99. Windy.com also leads on update cadence (every 3 weeks vs every 4 months) and chart position (#3 vs unranked). HumProbCalc (S)'s advantage is in-app purchases (none vs 11). On ads, device support and iOS requirement there is nothing between them.

Windy.com is free to download; HumProbCalc (S) costs $1.99 up front. Windy.com sells 10 in-app purchases, starting at $2.99 per month. HumProbCalc (S) asks for nothing beyond the download.

HumProbCalc (S) ships an update every 4 months, Windy.com every 3 weeks. The most recent releases landed on August 20, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HumProbCalc (S) | Windy.com |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.8 (80K ratings)](https://appshunter.io/ios/app/windycom/id1161387262/reviews)** |
| Number of ratings | — | **80K** |
| Positive reviews | — | 89.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#3** |
| Size | 3 MB | 173 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | +4 | 4+ |
| Developer | [Ivan Miguel Serrano Pires](https://appshunter.io/developer/654748916) | [Windyty, SE](https://appshunter.io/developer/1161387261) |

## What reviewers say

### HumProbCalc (S)

[App page](https://appshunter.io/ios/app/humprobcalc-s/id654774421)

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

**In-app purchases:** none


### Windy.com

[App page](https://appshunter.io/ios/app/windycom/id1161387262)

**Currently charting:** #3 Top Free · Weather, #16 Top Grossing · Weather (US App Store)

This app offers advanced weather forecasting with over 50 detailed maps and 15 weather models, including live radar, satellite imagery, and hurricane tracking. It provides customizable alerts for storms, wind, and snow, making it ideal for outdoor activities and aviation.

**Highlights:** Live weather radar & satellite, Over 50 weather maps, 15+ weather models, Hurricane tracker, Customizable weather alerts, Aviation-specific forecasts, Air quality index

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate 3 EUR/USD a month | $2.99 | per month |
| Windy Premium | $2.99 | per month |
| Donate 6 EUR/USD a month | $5.49 | per month |
| Windy Premium | $24.99 | per year |
| Donate approx 5 EUR/USD | $4.99 | one-time |
| Donate approx 10 EUR/USD | $9.99 | one-time |
| Donate approx 20 EUR/USD | $19.99 | one-time |
| Windy Premium | $29.99 | one-time |
| Donate approx 50  EUR/USD | $49.99 | one-time |
| Donate Windy 100 EUR/USD | $89.99 | one-time |

**What reviewers like**

- 🌊 Accurate weather forecasts
- 🌍 Comprehensive global coverage
- 🔍 Detailed weather data and models
- 🛥️ Useful for marine/sailing activities
- 🛫 Valuable for aviation planning

**What reviewers complain about**

- 🤯 Overwhelming number of features and options
- 🔍 Small text and cluttered interface on mobile
- 🤖 Occasional app crashes or stability issues
- 💰 Paywall for some advanced features
- 🌐 Lack of offline functionality

**Reported bugs**

- Map dragging issues on newer iPhone models
- Inconsistent temperature display units
- Premium features not always working as expected

**Requested features**

- Add weather front data on isobar charts
- Improve font size and layout for better readability
- Provide option to hide webcams or certain layers
- Implement weather warning notifications
- Add support for Apple Watch and other wearables


## Frequently asked questions

### Is HumProbCalc (S) free?

HumProbCalc (S) costs $1.99, with no in-app purchases.

### Is Windy.com free?

Windy.com is free to download, with in-app purchases available.

### Do HumProbCalc (S) or Windy.com have ads?

Neither HumProbCalc (S) nor Windy.com shows ads.

### Which is updated more often, HumProbCalc (S) or Windy.com?

HumProbCalc (S) ships an update every 4 months, and Windy.com every 3 weeks. Most recently, HumProbCalc (S) was updated on August 20, 2026 and Windy.com on October 30, 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.*