StackSignal for Chrome
Overview
See your StackSignal numbers, add creators, post Substack Notes, reply to your Substack messages and welcome new subscribers.
See your Substack, LinkedIn and Instagram numbers, and your next move, in a side panel beside the page you are on. Post the Notes you approved, answer your own messages and comments, and bring your stats into StackSignal. Free to install. Needs a StackSignal plan; sold by A Roll Media FZE, not Google. NEW IN 0.5.8 • Welcome DMs: write one friendly hello on our website and every new subscriber gets it from your own account. Choose Tap to welcome (we line them up, you press Send) or Auto welcome (sent from your own browser at a human pace, within a daily limit). Only readers who subscribe after you switch it on, and it stops the moment someone replies or says stop. NEW IN 0.5.1 • Approved Notes at their time: switch it on once and each Note you approved goes out at its time from this browser while Chrome is open. Off until you turn it on, and you can still post any Note yourself. • Messages and comments: your own direct messages and the comments on your own posts, in one inbox. Tap Draft reply for a suggestion from Alixc, edit it in your own voice, then tap Send. One reply per tap, only into conversations that already exist, with a daily limit on each plan. • Send as a draft: a post you wrote on our website becomes a private draft in your own publication. Publishing stays your own click in the editor. • Audience insights: where your readers are, where new subscribers come from, and how views and followers are moving, as totals from your own dashboard. WHAT YOU GET • Today's move: the one thing to do next, picked for you. • Your headline numbers for the accounts you have added, with how they are growing. • Add this creator: open a Substack, LinkedIn or Instagram profile, click the icon and tap the button. • Your own Substack stats and subscriber list synced, only after you approve it. • Light or dark, following your device. HOW TO START 1. Install StackSignal for Chrome (free). 2. Click its icon and choose "Connect your account". 3. Sign in on the page that opens, then choose "Connect Chrome". Plans are bought on our website, never in Chrome. The extension asks for no card details. YOU STAY IN CONTROL Nothing is read from your publication until you allow it, and you can stop it in the panel at any time. Messages and comments are read when you open them, stay in your browser, are not stored on our servers and are not marked as read. You tap Send on every reply. The only new conversations the extension starts are the welcome messages you write and switch on for your own new subscribers; you can pause them at any time, and nothing else is sent by itself. It uses your own sign-in in your own browser and does not copy it. The extension does not watch your browsing. Chrome lets it see the address of a page only after you click its icon on that page, and while you stay on the same website in that tab. An address goes to StackSignal only if you press "Add this creator", and then it is only that profile's own address, with no tracking codes; the panel says so before you connect and beside the button. Disconnecting removes your connection, your saved numbers and your partly hidden email from this browser. Not affiliated with or endorsed by Substack. Need a hand? support@stacksignal.app
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Details
- Version0.5.12
- UpdatedNovember 9, 2026
- FeaturesOffers in-app purchases
- Offered byA-Roll Media
- Size161KiB
- LanguagesEnglish (United Kingdom)
- DeveloperA Roll Media (FZE)
Email
support@stacksignal.appPhone
+971 55 522 4280 - TraderThis developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
- D-U-N-S850038200
Privacy
StackSignal for Chrome has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
StackSignal for Chrome handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site