Helply vs Letterbook

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Helply

See full pricing history

USD · US · source: helply.com

Plan	Pricing	Charged by	Offer type
The helpdesk	Free $0 free forever	Flat · for your whole team	Standalone · Free
The AI agents	USD 0 per outcome · USD 99 monthly minimum $0.50 per outcome with a $99 monthly minimum. You're only charged at most once per conversation, even if Helply takes multiple actions. Never pay if an agent can't answer, fails to complete an action, or the customer asks for a human.	Usage · per outcome	Standalone · Usage based

Letterbook

See full pricing history

USD · US · source: www.letterbook.ai

Plan	Pricing	Charged by	Offer type
Starter — default	USD 50 monthly · USD 50 / month with annual commitment $50 per month	Flat · per month	Standalone · Fixed
Growth — default Highlighted	USD 200 monthly · USD 200 / month with annual commitment $200 per month	Flat · per month	Standalone · Fixed
Enterprise — default	Contact sales Let's talk per month	Flat · per month	Standalone · Contact sales

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Helply

The helpdesk

Included for everyone Shared inbox, ticketing, and live chat: Included
Included for everyone Public and private help centers: Included
Included for everyone Automations, SLAs, and workflows: Included
Included for everyone All integrations, API, and webhooks: Included
Included for everyone SSO, roles, 2FA, and audit logs: Included

The AI agents

Letterbook

Starter — default

Highlights Seats: 3 seats

Included
Highlights Tickets per month: 300 tickets / month

Included
Highlights Integrations: Integrate your database & Stripe

Included
Highlights Inbox: Unified inbox for all your channels

Included

Growth — default

Highlights Seats: 10 seats

Included
Highlights Tickets per month: 1,000 tickets / month

Included
Highlights Channels and integrations: All channels and integrations

Included
Highlights Support: Priority support

Included

Enterprise — default

Highlights Seats: Custom seats

Included
Highlights Tickets per month: 3,000+ tickets / month

Included
Highlights Security: SSO & SAML

Included
Highlights Account management: Dedicated account manager

Included

How their prices changed

Each date shows when a public price was observed, not when it took effect. An archived region or currency can differ, so a currency change is not necessarily a price increase.

Helply

September 21, 2026
Official pricing page
- The helpdesk: Free
- The AI agents: USD 0 per outcome · USD 99 monthly minimum
August 27, 2026
Official pricing page
- Per-ticket pricing — Standard: USD 1 / month with annual commitment

Letterbook

August 27, 2026
Official pricing page
- Starter — default: USD 50 monthly · USD 50 / month with annual commitment
- Growth — default: USD 200 monthly · USD 200 / month with annual commitment
- Enterprise — default: Contact sales