
Offers lightning-fast email management with built-in AI writing and scheduling, but requires a dedicated email client.
Offers lightning-fast email management with built-in AI writing and scheduling, but requires a dedicated email client.
Carly AI records 340,001 monthly visits with +1.5% month-over-month growth and Freemium pricing. Postel records 121,244 monthly visits with +5.8% growth and Free Trial, Paid pricing.

AI writing assistant that drafts and schedules social posts in your own voice
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | usecarly.com | postel.app |
| Pricing Model | Freemium | Free Trial, Paid |
| Monthly Visits | 340K (340,001) | 121.24K (121,244) |
| MoM Traffic Delta | +5.15K (+1.5%) | +6.68K (+5.8%) |
| Primary Market & Share | 🇺🇸 United States (41.3%) | 🇺🇸 United States (14.8%) |
| Direct Visits / mo | 44.05K | 21.61K |
| User Rating | 4.1 | 4.2 |
| Supported Platforms | Website | Website |

Email an AI assistant and let it run your schedules, inbox and CRM
Delegate tasks through the communication channels you already use — CC Carly on a message or send her a text and she takes it from there.
Connect the tools your business already runs on, from email and calendars to CRM, messaging and internal systems.
Start from prebuilt agent configurations for common roles and reuse a curated library of prompts instead of writing everything yourself.
A documented MCP server lets external AI tools and coding agents interact with your Carly setup and workflows.

AI writing assistant that drafts and schedules social posts in your own voice
Reads your historical posts to map line length, opening style, vocabulary and banned phrases so drafts sound like you.
Generates one drafted post for every day you normally publish and slots each into a calendar automatically.
Publishes to LinkedIn out of the box and connects X, Bluesky, Mastodon, TikTok and YouTube.
Accepts call notes, links, voice memos and podcast recordings as source material for new content.

Offers lightning-fast email management with built-in AI writing and scheduling, but requires a dedicated email client.
Offers lightning-fast email management with built-in AI writing and scheduling, but requires a dedicated email client.

AI action agents that call, book, buy and get it done

Connects across inboxes and calendars for adaptive task assistance, but operates as a broader workspace platform.
Connects across inboxes and calendars for adaptive task assistance, but operates as a broader workspace platform.
Deploys autonomous AI agents for complex business operations, though less focused on conversational messaging channels.
Deploys autonomous AI agents for complex business operations, though less focused on conversational messaging channels.

Automates email triage and meeting scheduling like Carly, but focuses specifically on executive administrative support workflows.
Automates email triage and meeting scheduling like Carly, but focuses specifically on executive administrative support workflows.

Provides deep Gmail integration with AI summaries and thread organization, but lacks SMS and WhatsApp channel automation.
Provides deep Gmail integration with AI summaries and thread organization, but lacks SMS and WhatsApp channel automation.
Schedule and automate social media on 12 platforms — with AI agents that post for you
Schedule and automate social media on 12 platforms — with AI agents that post for you

Write, schedule, automate and analyse your X growth in one place
Write, schedule, automate and analyse your X growth in one place
SpecialistAI agents that run your email and document work
SpecialistAI agents that run your email and document work

AI social scheduler that writes your posts in your voice and publishes everywhere
AI social scheduler that writes your posts in your voice and publishes everywhere

SpecialistAI-first email that turns your inbox into a chat-like workspace
SpecialistAI-first email that turns your inbox into a chat-like workspace

Free / Open-sourceAn open-source AI email assistant for sorting messages and drafting replies, but requires self-hosting for full control.
Free / Open-sourceAn open-source AI email assistant for sorting messages and drafting replies, but requires self-hosting for full control.