Structurely is now 21X, a conversational-AI call-center platform sold across several industries. Both respond to your leads with AI. The difference is who they’re built for — and whether you can see the price before a sales call.
| Kestrel | Structurely | |
|---|---|---|
| Monthly price | $99/mo founding ($149 standard) | Platform fee not published — every tier says “Talk to Sales” |
| Usage fees | None — flat rate | + metered: voice from $0.07/min, SMS from $0.02/msg, AI email from $0.02 |
| Onboarding fee | $0 | Onboarding services offered — price not published |
| Contract | None — cancel anytime | Not published |
| Realistic first-year cost, one agent | $1,188 | Not published — platform fee + metered usage |
| Getting started | Self-serve, live in ~2 minutes | Talk to Sales |
| Built for | Solo agents buying Zillow / Realtor.com leads | Small teams to enterprises, across several industries |
| 60-second AI text response | ✓ | ✓ SMS workflows |
| SMS qualification & lead scoring | ✓ HOT / WARM / COLD alerts | ✓ |
| Automated follow-up sequences | ✓ 12-month drip | ✓ call cadences + SMS/email workflows |
| Calendar booking | ✓ Google Calendar | ✓ |
| AI voice calls & live transfer | — | ✓ |
| Free trial | 14 days, no card required | — |
Structurely details checked against structurely.com/pricing on October 26, 2026 — verify current pricing and features with them directly. Structurely is a trademark of its owner; Kestrel is not affiliated with or endorsed by Structurely. If your team needs AI voice calling and live transfers today, Structurely is the stronger fit — this page is for the solo agent who wants the core loop without the contract.
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