
Chairish
1stdibs
Everything But The House (EBTH)
Herman Miller
La-Z-Boy
Frontgate
Ballard Designs
Kaiyo is an online marketplace for pre-owned furniture that was built to last. Whether hunting for the perfect piece or creating space for something new, Kaiyo makes it easy to make a better choice.

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, Kaiyo seems to be a lot more popular than StackStats.app. While we know about 11 links to Kaiyo, we've tracked only 1 mention of StackStats.app.
Website, pricing, platforms and company facts side by side.
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| Website | kaiyo.com | stackstats.app |
| Pricing | — | |
| Company | 2014 | Startup from the United Arab Emirates · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Kaiyo 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.


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


No analysis of Kaiyo yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Kaiyo Mizunara Aged Cask Strength + Classic
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 Kaiyo 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 Kaiyo and StackStats.app. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Anyone had any experience buying or selling furniture on kaiyo.com? Source: over 3 years ago
If you have nicer furtniture: https://kaiyo.com/. Source: over 3 years ago
Have you tried https://www.aptdeco.com/ or https://kaiyo.com/ ? There’s also a great DWR Outlet store by Industry City that could have your Knoll chair at a reasonable discount. Source: over 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 Kaiyo and StackStats.app, you can also consider the following products.

Shop Chairish, the design insider's source for the very best in vintage and contemporary furniture, decor and art.
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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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Antique and Modern Furniture, Jewelry, Fashion & Art
Compare 1stdibs to Kaiyo or StackStats.app:


Buy and sell one-of-a-kind items from the best estate sales
Compare Everything But The House (EBTH) to Kaiyo or StackStats.app:

Herman Miller is an online furniture company that offers a wide range of products for the office and home.
Compare Herman Miller to Kaiyo or StackStats.app: