Plain vs Support Hero

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.

Plain

See full pricing history

USD · US · source: www.plain.com

Plan	Pricing	Charged by	Offer type
Foundation — default	USD 35 monthly · USD 35 / month with annual commitment $35/month, billed yearly	Seat · $35 /month 1 seat + $35/additional seats start	Standalone · Fixed

Support Hero

See full pricing history

USD · US · source: www.supporthero.com

Plan	Pricing	Charged by	Offer type
Small	USD 49 monthly $49/month	Usage · per stated usage allowance	Standalone · Fixed
Medium Highlighted	USD 99 monthly $99/month	Usage · per stated usage allowance	Standalone · Fixed
Large	USD 199 monthly $199/month	Usage · per stated usage allowance	Standalone · Fixed
Enterprise	Contact sales Contact us	Usage · per stated usage allowance	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.

Plain

Foundation — default

Highlights User seats: 1 seat + $35/additional seats start

Included
AI features Credits included: 2,000/mo

Included
Highlights Channels: Slack, email, in-app channels

Included
AI features Ari AI agent: included

Included
Highlights Integrations: Linear, Jira integrations

Included
Highlights Help Center, Knowledge Base: included

Included
Highlights Customer cards: included

Included
AI features AI workflows: included

Included
AI features Sidekick AI assistant: included

Included
Highlights Support: Email + chat

Included

Support Hero

Small

Plan card 1 admin: Included
Plan card 1 language: Included
Plan card Unlimited articles: Included
Plan card 7-day analytics: Included

Medium

Plan card 3 admins: Included
Plan card 2 languages: Included
Plan card Unlimited articles: Included
Plan card Support integrations: Included

Large

Plan card 8 admins: Included
Plan card 4 languages: Included
Plan card Advanced analytics: Included
Plan card Priority support: Included

Enterprise

Plan card Unlimited admins: Included
Plan card Unlimited languages: Included
Plan card Unlimited articles: Included
Plan card Enterprise support: Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Plain

August 27, 2026 Source
- Foundation — default: USD 35 monthly · USD 35 / month with annual commitment

Support Hero

August 27, 2026 Source
- Small: USD 49 monthly
- Medium: USD 99 monthly
- Large: USD 199 monthly
- Enterprise: Contact sales