
Postman
MuleSoft Anypoint Platform
Amazon API Gateway
RapidAPI for Mac
Azure API Management
Tyk
tray.io
Intelligent and complete API platform

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, Apigee seems to be a lot more popular than StackStats.app. While we know about 23 links to Apigee, we've tracked only 1 mention of StackStats.app.
Website, pricing, platforms and company facts side by side.
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| Website | cloud.google.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 Apigee 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.
Apigee Edge: Analytics Demo
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Apigee 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 Apigee 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.


Apigee, one of the prominent MuleSoft alternatives, stands out as a powerhouse for your team looking for unparalleled integration and automation capabilities. Designed with simplicity and efficiency, Apigee empowers...
With Apigee API management solutions, the developers can build and deliver the applications.
Apigee is an excellent alternative to Postman if you want to try an API tool. This platform helps develop and manage APIs by later fronting services with a proxy. Apigee has two significant components called services...
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.


Apigee is Google Cloud's API management platform. You build an API proxy from a bundle of XML: a ProxyEndpoint that receives requests, a TargetEndpoint that calls your backend, and policies in between. Its load balancing documentation... - Source: dev.to / 13 days ago
Apigee is a comprehensive API Management platform that allows you to design, protect, and analyze APIs with detailed visibility and fine control. - Source: dev.to / over 1 year ago
Other notable commercial options include Apigee, Solo.io (Gloo Gateway), and Sensedia. Enterprise developers might also consider IBM's API gateway. - Source: dev.to / over 1 year 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 / 5 days ago
When comparing Apigee and StackStats.app, you can also consider the following products.


With Substack, anyone can start a publication that combines a personal website, blog, and email newsletter or podcast. It's quick and simple.
Compare Substack to Apigee or StackStats.app:

Anypoint Platform is a unified, highly productive, hybrid integration platform that creates an application network of apps, data and devices with API-led connectivity.
Compare MuleSoft Anypoint Platform to Apigee or StackStats.app:


Create, publish, maintain, monitor, and secure APIs at any scale
Compare Amazon API Gateway to Apigee or StackStats.app:

Paw is a REST client for Mac.
Compare RapidAPI for Mac to Apigee or StackStats.app: