# PredictWind vs iWindsurf

The clearest difference is ratings volume: PredictWind at 33K against iWindsurf's 1.7K. PredictWind also leads on chart position (#20 vs #78). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. PredictWind sells 10 in-app purchases, starting at $6.99 per month and iWindsurf sells 10 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for PredictWind against 4.8 for iWindsurf. That said, the two scores are not equally well evidenced: PredictWind has 33K ratings behind it against 1.7K, so its average is the more settled of the two. Written reviews are what separate them: 84% of PredictWind's written reviews are positive against 90% of iWindsurf's.

PredictWind ships an update every 11 days, iWindsurf every 3 weeks. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | PredictWind | iWindsurf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (33K ratings)](https://appshunter.io/ios/app/predictwind-marine-forecasts/id477048487/reviews)** | [4.8 (1.7K ratings)](https://appshunter.io/ios/app/iwindsurf-weather-and-waves/id564865754/reviews) |
| Number of ratings | **33K** | 1.7K |
| Positive reviews | 84.4% of reviews | **89.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#20** | #78 |
| Size | 49 MB | 135 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [PredictWind Limited](https://appshunter.io/developer/477048590) | [WeatherFlow](https://appshunter.io/developer/317992028) |

## What reviewers say

### PredictWind

[App page](https://appshunter.io/ios/app/predictwind-marine-forecasts/id477048487)

**Currently charting:** #20 Top Grossing · Weather, #76 Top Free · Weather (US App Store)

Get accurate marine weather forecasts and powerful tools for wind, wave, and currents. Optimize your time on the water, stay safe, and make the most of every outing with detailed data and routing features.

**Highlights:** Accurate marine weather forecasts, Wind, wave, and current data, Weather Routing calculations, Departure Planning summaries, High-resolution weather maps, Live wind observations, Weather alerts

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic - Monthly | $6.99 | per month |
| Basic - 3 Monthly | $12.00 | per 3 months |
| Basic - Annual | $29.00 | per year |
| Standard - Monthly | $49.00 | per month |
| Standard - 3 Monthly | $99.00 | per 3 months |
| Professional - Monthly | $99.00 | per month |
| Standard - 3 Monthly | $99.00 | per 3 months |
| Standard - Annual | $249.00 | per year |
| Professional - 3 Monthly | $249.00 | per 3 months |
| Professional - Annual | $499.00 | per year |

**What reviewers like**

- 👍 Accurate weather forecasts
- 🚀 Comprehensive data and features
- 💡 Useful for sailing, fishing, and other outdoor activities
- 👍 Easy to use and navigate
- 🚀 Reliable and dependable

**What reviewers complain about**

- 🐛 Occasional inaccuracies in weather predictions
- 💰 Expensive subscription costs
- 🔒 Difficult to cancel subscription
- 🔒 Locked into using proprietary hardware and services
- 🔒 Limited free features

**Reported bugs**

- App crashes or freezes on some devices
- Inconsistent performance across different locations
- Subscription issues and billing problems

**Requested features**

- Improved integration with other apps and charts
- More frequent weather model updates
- Earlier weather forecast updates
- Ability to customize alert settings
- Improved offline functionality


### iWindsurf

[App page](https://appshunter.io/ios/app/iwindsurf-weather-and-waves/id564865754)

**Currently charting:** #78 Top Grossing · Weather (US App Store)

Get hyper-local wind and weather forecasts for water sports. Access real-time data from proprietary weather stations and public sources, with advanced AI-enhanced predictions and customizable alerts.

**Highlights:** Proprietary Tempest Weather Systems, AI-enhanced Nearcast forecasting, Live wind and forecast maps, Customizable wind alerts, Tides and wave height data, Apple Watch compatibility

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $3.99 | per month |
| Plus | $5.49 | per month |
| Gold | $14.99 | per month |
| Pro | $14.99 | per month |
| Pro - Pay As You Go (auto-renewing) | $19.99 | per month |
| Gold | $21.99 | per month |
| Plus | $44.99 | per year |
| Plus | $44.99 | per year |
| Pro | $119.99 | per year |
| Gold | $179.99 | per year |

**What reviewers like**

- 🚀 Accurate forecasts
- 👍 Easy to use
- 🔍 Detailed wind and weather data
- 💡 Helpful for planning wind sports activities
- 🔍 Reliable and dependable

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔍 Difficult to cancel paid subscription
- 🔍 Outdated or missing features in some versions
- 🔍 Slow or laggy performance on some devices

**Reported bugs**

- Favorites list not displaying correctly
- Inconsistent wind data between different parts of the app
- Compatibility issues with newer iOS versions

**Requested features**

- Customizable user interface
- More detailed forecasts and historical data
- Apple Watch complications with real-time updates
- Improved location management and favorites functionality


## Frequently asked questions

### Is PredictWind free?

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

### Is iWindsurf free?

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

### Which has better reviews, PredictWind or iWindsurf?

PredictWind is rated higher. PredictWind averages 4.8 out of 5 from 33K ratings, while iWindsurf averages 4.8 from 1.7K ratings.

### Do PredictWind or iWindsurf have ads?

Neither PredictWind nor iWindsurf shows ads.

### Which is updated more often, PredictWind or iWindsurf?

PredictWind ships an update every 11 days, and iWindsurf every 3 weeks. Most recently, PredictWind was updated on November 3, 2026 and iWindsurf on November 1, 2026.

### Which is more popular, PredictWind or iWindsurf?

PredictWind currently peaks at #20 in the App Store charts, and iWindsurf at #78. Chart position reflects recent download velocity rather than total install base.

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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.*