# SailFlow vs PNW Current Atlas

The clearest difference is rating: SailFlow at 4.7 against PNW Current Atlas's 3.5. SailFlow also leads on review sentiment (84% vs 42%) and update cadence (every 3 weeks vs every 11 months). PNW Current Atlas's advantage is iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. SailFlow sells 10 in-app purchases, starting at $3.99 per month and PNW Current Atlas sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SailFlow holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: SailFlow has 5.9K ratings behind it against 33, 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 42% of PNW Current Atlas's.

SailFlow ships an update every 3 weeks, PNW Current Atlas every 11 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SailFlow | PNW Current Atlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5.9K ratings)](https://appshunter.io/ios/app/sailflow-sailing-forecasts/id555309964/reviews)** | [3.5 (33 ratings)](https://appshunter.io/ios/app/pnw-current-atlas/id1456020312/reviews) |
| Number of ratings | **5.9K** | 33 |
| Positive reviews | **84.0% of reviews** | 41.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 11 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#34** | — |
| Size | 137 MB | 56 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WeatherFlow](https://appshunter.io/developer/317992028) | [TinyOctopus, LLC](https://appshunter.io/developer/507385773) |

## What reviewers say

### SailFlow

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

**Currently charting:** #34 Top Grossing · Weather, #199 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


### PNW Current Atlas

[App page](https://appshunter.io/ios/app/pnw-current-atlas/id1456020312)

Access detailed current prediction charts for the Pacific Northwest, covering regions like the Juan de Fuca Strait and San Juan Islands. View any date or time within the current year with free yearly updates, and use the app offline.

**Highlights:** View past/future date/time predictions, Daylight savings time correction, Jump to 'Now' prediction, Swipe/tap to move through time, Zoomable prediction details, Offline functionality, Free yearly updates

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Free Trial | Free | one-time |
| Current Atlas unlimited access | $19.99 | one-time |


## Frequently asked questions

### Is SailFlow free?

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

### Is PNW Current Atlas free?

PNW Current Atlas is free to download, with in-app purchases available.

### Which has better reviews, SailFlow or PNW Current Atlas?

SailFlow is rated higher. SailFlow averages 4.7 out of 5 from 5.9K ratings, while PNW Current Atlas averages 3.5 from 33 ratings.

### Do SailFlow or PNW Current Atlas have ads?

Neither SailFlow nor PNW Current Atlas shows ads.

### Which is updated more often, SailFlow or PNW Current Atlas?

SailFlow ships an update every 3 weeks, and PNW Current Atlas every 11 months. Most recently, SailFlow was updated on October 29, 2026 and PNW Current Atlas on October 24, 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.*