# SailFlow vs Mr. Chilly

The clearest difference is rating: Mr. Chilly at 4.9 against SailFlow's 4.7. Mr. Chilly also leads on iOS requirement (13.0 vs 15.0). SailFlow's advantage is device support (4 vs 2) and chart position (#35 vs #179). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. SailFlow sells 10 in-app purchases, starting at $3.99 per month and Mr. Chilly sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mr. Chilly holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 5.8K and 6.8K respectively. Written reviews point the same way: 84% of SailFlow's written reviews are positive against 86% of Mr. Chilly's.

SailFlow ships an update every 3 weeks, Mr. Chilly every 5 weeks. Both last shipped on October 17, 2026.

## The numbers

| Metric | SailFlow | Mr. Chilly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (5.8K ratings)](https://appshunter.io/ios/app/sailflow-sailing-forecasts/id555309964/reviews) | **[4.9 (6.8K ratings)](https://appshunter.io/ios/app/mr-chilly/id933759132/reviews)** |
| Number of ratings | 5.8K | **6.8K** |
| Positive reviews | 84.1% of reviews | **86.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#35** | #179 |
| Size | 137 MB | 12 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WeatherFlow](https://appshunter.io/developer/317992028) | [Alexander Chia](https://appshunter.io/developer/1289065307) |

## What reviewers say

### SailFlow

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

**Currently charting:** #35 Top Grossing · 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


### Mr. Chilly

[App page](https://appshunter.io/ios/app/mr-chilly/id933759132)

**Currently charting:** #179 Top Free · Weather (US App Store)

This app provides detailed weather information for San Francisco's diverse microclimates and the entire Bay Area. View current temperatures, future forecasts, and dynamic heatmaps to plan your outdoor activities.

**Highlights:** Hourly forecasts (24 hours), Dynamic temperature heatmaps, Day/night cycle visualization, San Francisco microclimate view, Bay Area and Peninsula weather

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


## Frequently asked questions

### Is SailFlow free?

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

### Is Mr. Chilly free?

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

### Which has better reviews, SailFlow or Mr. Chilly?

Mr. Chilly is rated higher. SailFlow averages 4.7 out of 5 from 5.8K ratings, while Mr. Chilly averages 4.9 from 6.8K ratings.

### Do SailFlow or Mr. Chilly have ads?

Neither SailFlow nor Mr. Chilly shows ads.

### Which is updated more often, SailFlow or Mr. Chilly?

SailFlow ships an update every 3 weeks, and Mr. Chilly every 5 weeks. Most recently, SailFlow was updated on October 17, 2026 and Mr. Chilly on October 17, 2026.

### Which is more popular, SailFlow or Mr. Chilly?

SailFlow currently peaks at #35 in the App Store charts, and Mr. Chilly at #179. 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.*