Folderly
7.5#1 in email warmup softwareFree planFree planWebAPI
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MailMonitor
6.2#23 in email deliverability softwareFrom $1,000 a yearWebAPI
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| Fact | Folderly | MailMonitor |
|---|---|---|
| Headquarters | 8 The Green STE 300, Dover, DE 19901, United States | Salem, New Hampshire, United States |
| Integrations | Folderly says it connects to major email service providers through API and SMTP and supports custom providers. | MailMonitor says it works with all email service providers, naming Mailchimp, Sendgrid, Marketo, HubSpot, and Klaviyo. |
| Monitoring | Pulse tracks email placement over time and provides alerts, including real-time alerts at $0 per month. | The Strategic Partnership plan includes 24/7 reputation monitoring and blocklist monitoring is included in the Foundation plan. |
| Security | Folderly says its security program is supported by SOC 2 Type II and ISO 27001. | The API uses HTTP Basic authentication over SSL and is not available over unencrypted HTTP. |
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
MailMonitor plans
- The Deliverability Foundation$1,000 a year
- The Strategic Partnership$2,000 a year
- Custom Enterprise Solution$3,000 a year
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 MailMonitor if…
MailMonitor is aimed at senders sending over 10,000 emails annually whose revenue depends on email performance. The pricing page says it may not fit senders relying entirely on cold outbound without a warm-up or opt-in strategy.