Postkey vs Later
Postkey vs Later: the Later alternative with DM automation
Postkey is the most agentic DM automation tool. Later plans and schedules your posts, and its inbox lets you answer DMs by hand. Postkey schedules too, then answers what the post brings in: comment to DM, follow to unlock, email capture, and an AI assistant that runs it.
The short answer
Postkey is the most agentic DM automation tool: one MCP connection lets your AI assistant build and switch on DM automations, answer the inbox, and schedule posts to 10 networks, across every account on your plan. Later is a visual planner for 8 networks with a Link in Bio page, and its Social Inbox lets you answer Instagram and Facebook DMs yourself. We found no automatic DMs and no MCP server on its pages. Postkey schedules to 10 networks and turns comments into DMs.
Updated October 28, 2026 (Later's pages)
What an AI agent can do in each
Postkey is the most agentic DM automation tool: one MCP connection lets your AI assistant build and switch on DM automations, answer the inbox, and schedule posts to 10 networks, across every account on your plan. Here is the same list for Later, from its own pages on October 28, 2026.
We found no Later MCP server or AI connector. We checked later.com, its pricing and integrations pages, its help center, and the official MCP Registry.
| Later | Postkey | |
|---|---|---|
| MCP server | None found (searched October 28, 2026) | Yes, up to 52 tools |
| Builds and switches on DM automations | No: we found no DM automation (searched October 28, 2026) | Yes, and switching on waits for your yes |
| Reads and answers the DM inbox | None found (searched October 28, 2026) | Yes, each reply waits for your yes by default |
| Schedules and publishes posts | None found (searched October 28, 2026) | Yes, to Instagram, TikTok, Facebook, Telegram, LinkedIn, YouTube, Threads, Pinterest, Bluesky and Google Business |
| Accounts one connection reaches | None found (searched October 28, 2026) | Every account on your plan, up to 15 |
| Plans that include it | None found (searched October 28, 2026) | Every plan, inside the plan's limits |
| Sign-in | None found (searched October 28, 2026) | OAuth 2.1 with PKCE, or an agent key |
| In the official MCP Registry | None found (searched October 28, 2026) | Not yet |
"Not listed" and "None found" mean we could not find it on Later's own pages on October 28, 2026, not a statement by Later.
Why Postkey is the most agentic DM automation tool
Postkey's MCP server can build, edit and switch on automations. An agent can do the whole job:
- Build, edit and switch on DM automations: comment to DM, keyword DMs, follow to unlock, collecting emails.
- Read the inbox, draft replies and send them once you say yes.
- Write, schedule and publish posts, and set the DM keyword each post's comments reply to.
- Find and tag contacts, and report how posts and automations did.
- Up to 52 tools in one MCP server, with OAuth sign-in or an agent key, and a skill file that teaches the agent the rules.
- Approvals, limits and protection from instructions hidden in DMs built in, so you can let an agent run it.
Side by side
| Later | Postkey | |
|---|---|---|
| Comment to DM and keyword DMs | Not listed | Yes |
| Follow to unlock | Not listed | Yes |
| Collect emails in the DM | Not listed | Yes |
| Shared inbox | Yes (Social Inbox, a beta on desktop, from Growth: Instagram and Facebook DMs and comments, TikTok comments, answered by hand) | Yes |
| AI replies | Not listed | From Create |
| DM channels | None found (searched October 28, 2026) | Instagram and Messenger |
| Post scheduler | Instagram, Facebook, TikTok, Pinterest, LinkedIn, Threads, YouTube Shorts and Snapchat | Instagram, TikTok, Facebook, Telegram, LinkedIn, YouTube, Threads, Pinterest, Bluesky and Google Business |
| Instagram accounts | "1 social set can contain 1 Instagram, 1 Facebook, 1 Pinterest, 1 TikTok, 1 YouTube, 1 LinkedIn, 1 Threads, and 1 Snapchat profile." | Up to 15 on one plan, sharing one contact allowance |
| How usage is billed | A flat price per plan, by Social Sets and users; extra sets and users are add-ons. Yearly billing is 25% off. | Plans include contacts each month, shared by all the plan's accounts; extra contacts are charged, never cut off |
Later's help center lists a free plan with 1 Social Set; paid plans have a 14-day trial, and yearly billing is 25% off. Its Social Inbox answers Instagram and Facebook DMs by hand, on Growth and Scale, for DMs from the past week. We found no automatic DMs, and Later's own blog points to other tools for them.
Sources: later.com/pricing, Later help: choose a Later Social plan, Later help: plan availability, Later help: Social Inbox, Later Social Inbox, Later help: supported platforms, Later help: Social Sets, Later help: trials, Later blog: automated Instagram DMs, Later integrations
What Postkey does after the post goes out
- Comment to DM: everyone who comments your keyword gets the link by DM, with a public reply.
- Follow to unlock and email capture inside the DM.
- A shared inbox for Instagram and Messenger DMs, with AI replies from Create.
- The post and its keyword are scheduled together, so the DMs start when the post goes live.
What each costs
Later's list prices in US dollars, as its pricing page showed them on October 28, 2026, then Postkey's in US dollars. Monthly billing unless it says yearly.
| Plan | A month | Billed yearly | Accounts | Limit |
|---|---|---|---|---|
| Later Starter | $25 | $18.75 a month, billed yearly | 8 | 1 Social Set, 1 user, 30 posts per profile a month, no Social Inbox |
| Later Growth | $50 | $37.50 a month, billed yearly | 16 | 2 Social Sets, 2 users, 180 posts per profile a month, Social Inbox |
| Later Scale | $110 | $82.50 a month, billed yearly | 48 | 6 Social Sets, 4 users, unlimited posts, Social Inbox |
| Postkey Free | $0 | Free | 2 | 25 contacts a month |
| Postkey Essential | $15 | $144 a year | 2 | 250 contacts a month |
| Postkey Create | $34 | $300 a year | 5 | 2,500 contacts a month, Postkey AI |
| Postkey Pro | $85 | $708 a year | 10 | 7,500 contacts a month, Postkey AI |
| Postkey Advanced | $175 | $1428 a year | 15 | 25,000 contacts a month, Postkey AI |
List prices before tax. Plans change; check each pricing page before you buy.
Sources: later.com/pricing, Later help: Social Sets
Where Later is a good fit
- Publishes to 8 networks, Snapchat among them.
- A visual Instagram grid planner and a Link in Bio page on every plan.
- Analytics that go back up to 2 years, and social listening on Scale.
- A free plan, a 14-day trial, and links with Canva, Dropbox, Adobe and Mailchimp.
Where Postkey is the better fit
- You want comments on your posts to turn into DMs with your link, automatically.
- You want to collect emails or ask for a follow inside the DM.
- You want ChatGPT, Claude or your own agent to schedule posts and build DM automations for you.
- You want story replies and story mentions to start a DM automation.
Switching from Later
- 01
Connect your accounts to Postkey with each network's own sign-in.
- 02
Move your scheduled posts: ask your assistant to recreate them in Postkey, or add them to your posting schedule yourself.
- 03
Add a comment keyword and a link to the posts that should send a DM, and switch on the automation with the post.
Questions
We found none on Later's pages (searched October 28, 2026). Its Social Inbox, from Growth up, lets you answer DMs by hand, and Later's own blog points to other tools for automated DMs.
We found neither (searched October 28, 2026): not on later.com, its help center or its integrations page, and not in the official MCP Registry.
For scheduling alone, it can be: Later's help center lists a free plan, and its paid plans hold many profiles. Postkey adds DM automation, AI replies and an MCP server, and has a Free plan too.
Not yet. Later posts there; Postkey schedules to Instagram, TikTok, Facebook, Telegram, LinkedIn, YouTube, Threads, Pinterest, Bluesky and Google Business.
Yes. Postkey's Free plan has 25 contacts a month and 5 scheduled posts a week, and paid plans start with a free trial.