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SPECIFICTION
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Folderly vs Validity Engage

Folderly

folderly.com

Validity Engage

validity.com

Side by side

FigureFolderlyValidity Engage
Price from$4.67/mo—
Free planYes—
Free trialYes—
Open source——
WebYesYes
APIYesYes
Plans published121
Spec score · Email Deliverability Software9.0 (#3)6.7 (#31)
Headquarters8 The Green STE 300, Dover, DE 19901, United StatesBoston, Massachusetts, United States
IntegrationsFolderly says it connects to major email service providers through API and SMTP and supports custom providers.Engage terms list MCP, Slack, and Teams integrations, plus Salesforce contact-record deduplication and reconciliation; some capabilities may require third-party subscriptions or Engage Credits.
PurposeFolderly describes its suite as AI and email deliverability tools for B2B teams that help draft campaigns, check sending setups, and monitor delivery.Validity Engage provides real-time email placement testing, reputation monitoring, and authentication checks to help teams identify deliverability problems.
SupportThe site offers tailored expert support and lists [email protected] and +1 302 202 4044 as contact details.Validity lists customer support availability as Monday through Friday, 4 AM–7:30 PM ET, with a help center and customer community.

Plans

Folderly

  • Inbox Insights FreeFree
  • PulseFree
  • Folderly — 25–99 mailboxes$56 a year
  • Folderly 25–99 mailboxes (yearly)$56 a month
  • Folderly — 10–24 mailboxes$72 a year
  • Folderly 10–24 mailboxes (yearly)$72 a month
  • Inbox Insights Monthly$79 a month
  • Folderly — 1–9 mailboxes$96 a year
  • Folderly 1–9 mailboxes (yearly)$96 a month
  • Inbox Insights Yearly$799 a year

Folderly pricing →

Validity Engage

  • Custom Validity Engage subscriptionPriced on request

Validity Engage pricing →

In their own words

Folderly

Folderly is a suite of AI and email deliverability tools for B2B teams. It combines campaign drafting with checks and monitoring intended to help assess email placement and sender reputation. Inbox Insights reviews inbox placement along with sending IP and domain signals before a campaign; its free plan includes 2 tests per month. Pulse tracks placement over time, and real-time alerts are available for free. Folderly AI turns an offer, audience, and goal into a campaign draft and directs users to relevant checks. Other tools cover DMARC reports, public DNS and IP inspection, email HTML previews, and real-message testing; DMARC is a pilot and Mirror is in beta. Folderly says it connects to email service providers through API and SMTP, supports custom providers, and names Amazon AWS, Sendpulse, Elastic Email, Google Workspace, SendGrid, and Microsoft Outlook. Product availability, access, and plans vary by product. Listed options include Inbox Insights Monthly at $79 a month for 100 tests and Inbox Insights Yearly at $799 a year for 100 tests per month. Folderly mailbox plans list a minimum commitment and per-mailbox monthly amounts, billed yearly.

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Validity Engage

Validity Engage has no write-up on Specifiction yet; its figures are above.

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