
AccuWeather
Weather.com
Geometric Weather
Weather Underground
Dark Sky
Ventusky
Breezy Weather
Wind and weather forecast for kiters, surfers, pilots, sailors and anyone else.

Substack
Formo.so
Advanced analytics for Substack writers. Runs 100% locally, no cloud, no subscription. Discover your superfans, churn risk, and cohort retention.
Which is more popular?
Based on our record, Windy seems to be a lot more popular than StackStats.app. While we know about 315 links to Windy, we've tracked only 1 mention of StackStats.app.
Website, pricing, platforms and company facts side by side.
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| Website | windy.com | stackstats.app |
| Pricing | — | |
| Company | — | Startup from the United Arab Emirates · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Windy yet.
StackStats is a local desktop app for serious Substack writers. Import your CSV exports and get analytics Substack doesn't show you: bot-filtered open rates, cohort retention, dead subscriber detection, superfan ID, content-to-growth correlation, and an optional AI layer (supports Ollama,...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Windy.com Tutorial
More videos
No StackStats.app videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Windy and StackStats.app.
StackStats.app's answer:
I built StackStats because Substack's native analytics weren't cutting it. I wanted cohort data, real open rates (not bot-inflated), and a way to identify which posts were actually driving subscriber growth — but every tool I found was either cloud-based or required migrating off Substack entirely. So I built a local app that works with Substack's own CSV exports. No migration, no cloud, no subscription.
StackStats.app's answer:
StackStats runs 100% locally on your machine — your subscriber data never touches a server. It also goes far beyond what Substack shows natively: bot-filtered open rates, cohort retention, superfan identification, dead subscriber detection, and content-to-growth correlation. No subscription, no account, no cloud. Pay once, own it forever.
StackStats.app's answer:
Most newsletter analytics tools are cloud-based SaaS with monthly subscriptions. StackStats is a one-time purchase that runs entirely on your device. For Substack writers who care about privacy — especially those with paid subscribers — that's a meaningful difference. You also get analytics features that don't exist anywhere else, like bot-filtered open rates and cohort retention, without having to migrate away from Substack.
StackStats.app's answer:
Serious Substack writers who are frustrated by Substack's shallow native analytics and want real data to drive growth — without moving their subscriber data to the cloud.
StackStats.app's answer:
Electron (macOS + Windows), HTML/CSS/JavaScript, Chart.js, PapaParse. Optional AI layer supports Ollama, Claude, GPT-4, Gemini, Groq, and OpenRouter. Licensing via Cloudflare Workers + D1. Payments via Gumroad.
Share your experience with using Windy and StackStats.app. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Windy excels at wind patterns, of course, but the app has 40-plus maps available showing temperature, humidity and more. You've also got satellite and Doppler info at your fingertips, plus a hurricane tracking feature...
We have no reviews of StackStats.app yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Windy.com is more sophisticated — it's designed for aviation and outdoor sports. It doesn't require an account and doesn't track you aggressively. The UI is more complex but the data depth is impressive. - Source: dev.to / 21 days ago
Rain and wind see https://www.netweather.tv/live-weather/radar and windy.com. Source: almost 3 years ago
I'd recommend using windy.com if you want to check weather conditions across a wide area easily and quickly. That would be a good resource to check daily weather conditions to see if I80 is a safe option. Weather conditions can change... Source: almost 3 years ago
I'm working on 3 products now: 1. FormBeep(https://formbeep.com) at $38 MRR now - A form to Whatsapp tool. Stack is mainly CF workers with Clerk Auth. 2. SlashLink(https://slashlink.app) $0 - A simple pay as you go amazon link localizer.... - Source: Hacker News / 3 days ago
When comparing Windy and StackStats.app, you can also consider the following products.

AccuWeather is an app that provides hourly, daily and 15-day weather forecasts, which you can...
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With Substack, anyone can start a publication that combines a personal website, blog, and email newsletter or podcast. It's quick and simple.
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The Weather Channel and weather.com provide a national and local weather forecast for cities, as well as weather radar, report and hurricane coverage
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Geometric Weather is a light and powerful weather app that provides you with real-time temperature, air quality, 15-days weather forecast, and accurate time-sharing trends.
Compare Geometric Weather to Windy or StackStats.app:

Weather Underground is committed to delivering the most reliable weather information possible.
Compare Weather Underground to Windy or StackStats.app: