# Extreme WindApp vs IMSOFA

The clearest difference is in-app purchases: IMSOFA at none against Extreme WindApp's 2. IMSOFA also leads on update cadence (every 4 weeks vs every 2 months) and iOS requirement (14.0 vs 17.6). On price, ads and device support there is nothing between them.

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

Extreme WindApp ships an update every 2 months, IMSOFA every 4 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Extreme WindApp | IMSOFA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/extreme-windapp/id1549715711/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 99 MB | 31 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Tomer Fayer](https://appshunter.io/developer/1549715713) | [Israel Meteorological Service](https://appshunter.io/developer/1813202934) |

## What reviewers say

### Extreme WindApp

[App page](https://appshunter.io/ios/app/extreme-windapp/id1549715711)

This app provides detailed wind and wave forecasts for marine sports enthusiasts in Israel. It offers real-time community reports, advanced forecasting models, and customizable wind alerts to help users plan their activities with accurate, up-to-date data.

**Highlights:** Accurate wind forecasts, Detailed wave forecasts, Real-time community reports, Advanced wind forecasting models, Custom wind alerts, Smart forecast notifications

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $24.99 | per year |


### IMSOFA

[App page](https://appshunter.io/ios/app/imsofa/id6747021522)

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

**In-app purchases:** none


## Frequently asked questions

### Is Extreme WindApp free?

Extreme WindApp is free to download, with in-app purchases available.

### Is IMSOFA free?

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

### Do Extreme WindApp or IMSOFA have ads?

Neither Extreme WindApp nor IMSOFA shows ads.

### Which is updated more often, Extreme WindApp or IMSOFA?

Extreme WindApp ships an update every 2 months, and IMSOFA every 4 weeks. Most recently, Extreme WindApp was updated on October 25, 2026 and IMSOFA on October 28, 2026.

---

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