Plain services
B2B support platform with published Foundation and Horizon package rates (yearly billing).
Plain Foundation seat
$35.00 / Foundation seat-month (yearly)
Plain Horizon extra seat
$99.00 / Horizon extra seat-month (yearly)
Plain
B2B support platform with published Foundation and Horizon package rates (yearly billing).
There are 2 published meters for Plain. List unit prices run from $35.00 to $99.00, with a median of $67.00. Billing units represented here: Foundation seat-month (yearly), Horizon extra seat-month (yearly). The most recent price check in this group is 2026-08-14.
Plain list rates
A cheap host rate is not the same kind of number as a per-GB or per-million-events rate. The source column is the page used for the check.
| Service | Unit price | Unit | Source | Verified |
|---|---|---|---|---|
| Plain Foundation seat | $35.00 | Foundation seat-month (yearly) | Plain pricing | |
| Plain Horizon extra seat | $99.00 | Horizon extra seat-month (yearly) | Plain pricing |
Questions about Plain rates
Do Plain monthly plans show up in the calculator total?
When the source publishes a per-unit rate, the calculator uses that linear list rate. Included quotas, monthly minimums, annual packs, and volume discounts still live on the official docs.