Missinglettr vs Postproxy

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.

Missinglettr

See full pricing history

USD · US · source: missinglettr.com

Plan	Pricing	Charged by	Offer type
Agency	USD 147 monthly Invite your clients to collaborate and review their social performance, within a whitelabeled interface. Prices starting from $147/month.	Flat · /month.	Standalone · Starting at

Postproxy

See full pricing history

USD · US · source: postproxy.dev

Plan	Pricing	Charged by	Offer type
Agentic	USD 17 monthly $17 / month	Flat · / month	Standalone · Fixed

What each plan includes

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

Missinglettr

Agency

Highlights Unlimited Workspaces & Users: Included
Highlights 25 Social Profiles + discounted add-on profiles: Included
Highlights 10,000 Scheduled Posts: Included
Highlights Unlimited Curate Posts per month (promote client content): Included
Highlights Custom Domain, Dashboard, Reports and more: Included

Postproxy

Agentic

Highlights Every connected social account counts as one profile.: Included

How their prices changed

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

Missinglettr

August 27, 2026 Source
- Agency: USD 147 monthly

Postproxy

August 27, 2026 Source
- Agentic: USD 17 monthly