
Aircall
JustCall
RingCentral
Dialpad
NICE inContact
Five9
Genesys Cloud
Work locally, grow globally

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, StackStats.app seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | cloudtalk.io | stackstats.app |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Slovakia · 2018 | Startup from the United Arab Emirates · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


CloudTalk is a contact center management solution that enables businesses to streamline communications with teams and customers using virtual call systems. It allows executives to manage inbound/outbound calls, extract interaction history from various sources and provide personalized support to...
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.


Overall verdict
Why this product is good
Recommended for
CloudTalk is recommended for small to medium-sized businesses, contact centers, and enterprises that need a comprehensive virtual phone system. It's especially beneficial for those looking to enhance their customer support capabilities and improve internal communication.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
CloudTalk - video review & short demo
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 CloudTalk 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 CloudTalk 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.


Compare the best CloudTalk alternatives for ecommerce teams in 2026, with pricing, Shopify integration depth, and AI call features built for merchants.
CloudTalk is an innovative call center software that provides users with various unique tools. For example, its custom queue feature allows support teams to dictate where incoming calls will be distributed. With...
CloudTalk is a contact center management solution that enables businesses to streamline communications with teams and customers using virtual call systems.
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.


Tracking CloudTalk since Mar 2021.
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 CloudTalk and StackStats.app, you can also consider the following products.

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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 Cloud Phone System of choice for modern sales and support teams. We help end clueless conversations by adding context to every call.
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RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
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Switch is a cloud-based phone system built for Google Apps users.
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