SignalAI
Reads your inbox in real time and texts you only what actually needs action.
SignalAI classifies every incoming email within about 5 minutes — action required, response needed, deadline alert, or everything else — and texts you directly for anything urgent, no separate app to open. Newsletters, receipts and spam get discarded immediately rather than stored; things that need you stay until you archive them, then delete automatically after 30 days. It runs classification through Anthropic's Claude API under a data-processing agreement that bars using your email to train models, and costs $14/month after a 14-day free trial.
What holds up
- +Texts urgent emails directly — most inbox tools charge extra just to add SMS
- +Automated mail (newsletters, spam, receipts) is discarded immediately, never stored
- +Gmail app password, not your real password, is AES-256 encrypted before it touches the database
Mind the limits
- −$14/month after the 14-day trial — an ongoing cost for something Gmail's own filters partly do free
- −Runs your email through a third-party AI (Claude API) for classification, even with a no-training DPA
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