# SailFlow vs PredictWind Offshore Weather

The clearest difference is rating: SailFlow at 4.7 against PredictWind Offshore Weather's 3.5. SailFlow also leads on review sentiment (84% vs 54%) and ratings volume (5.8K vs 41). PredictWind Offshore Weather's advantage is in-app purchases (none vs 10). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SailFlow sells 10 in-app purchases, starting at $3.99 per month. PredictWind Offshore Weather asks for nothing beyond the download.

SailFlow holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: SailFlow has 5.8K ratings behind it against 41, so its average is the more settled of the two. Written reviews point the same way: 84% of SailFlow's written reviews are positive against 54% of PredictWind Offshore Weather's.

SailFlow ships an update every 3 weeks, PredictWind Offshore Weather monthly. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SailFlow | PredictWind Offshore Weather |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5.8K ratings)](https://appshunter.io/ios/app/sailflow-sailing-forecasts/id555309964/reviews)** | [3.5 (41 ratings)](https://appshunter.io/ios/app/predictwind-offshore-weather/id1068677891/reviews) |
| Number of ratings | **5.8K** | 41 |
| Positive reviews | **84.1% of reviews** | 54.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#42** | — |
| Size | 137 MB | 527 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WeatherFlow](https://appshunter.io/developer/317992028) | [PredictWind Limited](https://appshunter.io/developer/477048590) |

## What reviewers say

### SailFlow

[App page](https://appshunter.io/ios/app/sailflow-sailing-forecasts/id555309964)

**Currently charting:** #42 Top Grossing · Weather, #203 Top Free · Weather (US App Store)

Get hyper-accurate, real-time marine weather forecasts and live wind reports. This app uses proprietary weather systems and integrates public data for detailed wind, wave, tide, and radar information. Customize alerts and track your favorite sailing spots.

**Highlights:** Proprietary Tempest Weather Systems, Live wind and current station reports, AI-enhanced Nearcast forecasting, Radar, satellite, and precipitation maps, Tides charts and wave height, Customizable wind notifications, Nautical charts

**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**

- 🚀 Easy to navigate
- 🚀 Accurate wind forecasts
- 🚀 Helpful for planning
- 🚀 Great data and graphics
- 🚀 Reliable and trustworthy

**What reviewers complain about**

- 🐛 Occasional inaccurate forecasts
- 🐛 Crashes or freezes
- 💰 Expensive subscription
- 🔍 Difficult to find specific locations
- 🔍 Confusing interface at times

**Reported bugs**

- Recent update caused app to crash
- Favorites list not working properly
- Wind direction arrow pointing incorrectly

**Requested features**

- Add more local weather stations
- Improve map and location search
- Provide more forecast models
- Add support for Apple Watch
- Fix wind direction arrow issue


### PredictWind Offshore Weather

[App page](https://appshunter.io/ios/app/predictwind-offshore-weather/id1068677891)

Access detailed offshore weather forecasts and marine tools for coastal and offshore passages. Download GRIB files, view weather routes, and utilize advanced marine data for safe and efficient navigation.

**Highlights:** Download GRIB files, View weather routes, Access forecast models, Marine tools, Weather routing, GPS tracking, AIS data

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SailFlow free?

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

### Is PredictWind Offshore Weather free?

PredictWind Offshore Weather is free to download, with no in-app purchases.

### Which has better reviews, SailFlow or PredictWind Offshore Weather?

SailFlow is rated higher. SailFlow averages 4.7 out of 5 from 5.8K ratings, while PredictWind Offshore Weather averages 3.5 from 41 ratings.

### Do SailFlow or PredictWind Offshore Weather have ads?

Neither SailFlow nor PredictWind Offshore Weather shows ads.

### Which is updated more often, SailFlow or PredictWind Offshore Weather?

SailFlow ships an update every 3 weeks, and PredictWind Offshore Weather monthly. Most recently, SailFlow was updated on October 17, 2026 and PredictWind Offshore Weather on October 15, 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.*