Head to head

Instantly vs OutboundSync

Same facts, side by side: starting price, free tier, MCP, API and what each one is actually built for.

Instantly

$47/mo Free trial

Cold-email infra for teams farming many sending mailboxes. Public Outreach start is $47/mo monthly.

Where Instantly fits

  • Outbound recruiting teams sending at volume
  • Agencies running many sending accounts
  • Desks that need warmup plus a unibox
  • MCP/API automation around campaigns

Syncs Smartlead, Instantly, and other outbound tools into Salesforce and HubSpot. Starter is $99/mo for 2,000 sends.

Where OutboundSync fits

  • Teams pushing Instantly or Smartlead into Salesforce
  • HubSpot shops that want outbound events in the CRM
  • Ops teams that refuse Zapier for send logging
  • Companies that need SOC 2 on the sync layer

At a glance

DetailInstantlyOutboundSync
Starting price$47/mo$99/mo
Free tier–No–No
Free trialYesNot on record
MCP server✓Yes–No
Public API✓Yes✓Yes
Listed underLead generation, OutreachLead generation, Outreach, CRM

Where they pull apart

Instantly

Stands out: Warmup, unibox, and volume send with hosted MCP and a public API.

Watch out: Deliverability still depends on your domains and inboxes, not the tool alone.

Not the right fit for

  • Teams that only need LinkedIn messaging
  • Buyers looking for an ATS

OutboundSync

Stands out: API, webhooks, and agent skills ship on every plan, with unlimited connectors and SOC 2 Type II.

Watch out: You are billed on sent messages, not replies or opens. Staying over plan plus 2x rollover can pause sync. Annual pre-pay is two months free.

Not the right fit for

  • In-house teams that already log sends natively
  • Very high volume unless you buy Custom

Pros and cons

Instantly

  • Warmup and unibox in the same desk
  • Hosted MCP plus REST API
  • No-card get-started path on the vendor site
  • Sending domains and inboxes are bought separately
  • Sequence designer is plainer than multichannel rivals
  • Volume tiers step up quickly as mailboxes grow

OutboundSync

  • Starter $99/mo for 2,000 sends
  • API and webhooks on every plan
  • SOC 2 Type II on the sync layer
  • Overages can pause CRM sync
  • Billed on sends, not outcomes
  • Walkthrough required to buy

What each one costs

Instantly

$47/mo

From ~$30/mo. Confirm current terms on the vendor site.

Checked 17 Sep 2026

OutboundSync

$99/mo

Starter is $99/mo for 2,000 sent messages (2x rollover to 4,000). Explorer is $249/mo for 10,000. Advanced is $499/mo for 25,000. Custom is annual. Monthly billing. Annual pre-pay gives two months free. API access and unlimited connectors on every plan. Confirm current terms on the vendor site.

Checked 19 Sep 2026

Common questions

Is Instantly cheaper than OutboundSync?
Instantly starts lower, at $47/mo against $99/mo for OutboundSync. That is the entry plan on each side, so the real number depends on seats and the tier you land on.
Can you try Instantly or OutboundSync for free?
Neither carries a free tier on our listing. Instantly offers a free trial.
Does Instantly or OutboundSync have an MCP server?
Instantly ships a first party MCP server, so an AI assistant can work the product directly.

Not the pair you wanted?

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Editorial listings, never paid rankings. Prices checked 17 Sep 2026. Confirm current terms on the vendor site. Spot an error?