Comparison · $399 – $599+ / localisation / mois
Harch Signal vs Slang.ai
The verdict: The restaurant specialist — effective, but locked to its vertical and price point.
Restaurant voice AI
| Criterion | Harch Signal | Slang.ai |
|---|---|---|
| Vertical | 48 trades | Restaurants only |
| Price | 149–299 $ | $399–599+/location |
| SMS text-back | Included | Voice focus |
| Multi-location | Multi-line tier | Per location |
Competitor pricing captured from public pricing pages in October 2026 — re-verify before any decision.
In their favor
- +Deep restaurant specialization
- +Reservation integrations
- +Mature product
Their limits
- −Restaurants only
- −High per-location pricing
- −No SMS text-back
Slang.ai proves the vertical pack works: $399–599+ per location for restaurants that want zero missed calls during service. It's the model we generalize to 48 trades — at a price targeting independents, not groups. If you're a multi-location restaurant, look at them seriously; if you're anything else, you're not their customer.
FAQ
Signal vs Slang.ai : FAQ
What about an independent restaurant?
At $399+/month, Slang targets groups. An independent recovers missed reservations with Signal Pro at $299 — or Starter at $149 if text is enough.
Why per-location pricing?
Each location = a full call volume. Our multi-line tier plays the same role, with a degressive rate per line.
Answered in under 10 seconds
Your next missed call can be the last one.
$149 credited on month 1. No commitment. Cancel within 30 days, no fees.