Folderly
7.5#1 in email warmup softwareFree planFree planWebAPI
VisitFolderly vs Validity Engage
Validity Engage
5.2#31 in email deliverability softwareWebAPI
VisitWhat both publish
| Fact | Folderly | Validity Engage |
|---|---|---|
| Headquarters | 8 The Green STE 300, Dover, DE 19901, United States | Boston, Massachusetts, United States |
| Integrations | Folderly 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. |
| Purpose | Folderly 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. |
Folderly plans
- Inbox Insights FreeFree
- PulseFree
- Folderly — 25–99 mailboxes$56
- Folderly 25–99 mailboxes (yearly)$56 a month
- Folderly 10–24 mailboxes (yearly)$72 a month
- Folderly — 10–24 mailboxes$72
Validity Engage plans
- Custom Validity Engage subscriptionPriced on request
Pick Folderly if…
Folderly suits B2B teams that need campaign drafting alongside delivery checks and monitoring. Its tools address outbound campaigns, cold outreach, and marketing use cases.
Pick Validity Engage if…
You want what its maker publishes above — check its page for the details.