Folderly vs Warmup Inbox

Two Outbound tools side by side: what each does, what it costs and who it suits.

The verdict Side by side Plans and pricing Who each is for Other options

The verdict

On the data we hold, Warmup Inbox comes out ahead. Here is why, point by point.

What the data says

Warmup Inbox covers more of the features we compared: 4 of 4, against 3.
Only Folderly has a free plan to start on.
Warmup Inbox starts lower, at $15/mo against $66.58/mo.
In our Outbound ranking, Warmup Inbox places 6 and Folderly 16 of 33.

Side by side

Folderly and Warmup Inbox compared
8 points compared	Folderly	Warmup Inbox
Starts at	$66.58/mo	$15/mo
Free plan	Yes	No
API	Not known yet	Yes
MCP server	Not known yet	No
Automated warmup network	Yes	Yes
Built-in outreach/sequences	No	Yes
Inbox placement testing	Yes	Yes
Sender reputation & blacklist monitoring	Yes	Yes
Links	Visit	Visit

Plans and pricing

Folderly

FolderlyEmail deliverability priced per mailbox; shown as 96 per month per mailbox billed yearly (20% off).$1,152/yr
Inbox Insights FreeFree tier with 2 inbox placement tests per month.Free
Inbox Insights100 tests per month.$79/mo
PulseFree real-time alerts product; paid tiers not specified.Free

Warmup Inbox

BasicPer inbox per month; 75 warm-up messages a day. Volume discounts as you add inboxes.$15/mo
ProPer inbox per month; 250 warm-up messages a day plus custom templates and scheduling.$49/mo
MaxPer inbox per month; 1,000 warm-up messages a day plus API access and premium support.$79/mo

Prices as the vendors list them. They change often; the final price is on their sites.

Who each is for

Choose Folderly if…

B2B outbound teams sending cold or sales email from several mailboxes who see replies drop or messages land in spam and need to find the cause and fix it.

Visit Read the review

Choose Warmup Inbox if…

Sales, SDR and agency teams about to send cold email from new mailboxes, who need those mailboxes warmed up and monitored so campaigns reach the primary inbox.

Visit Read the review

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