Folderly 8.5/10 $96/mailbox /mo billed annually Try Folderly
Email Deliverability · Review

Folderly Review: Deliverability Audits Beyond Simple Warmup

Folderly suits B2B teams that want daily placement monitoring over feature breadthIn these Folderly reviews, 3 of the 5 tagged reviews that discuss feature depth read as negative, and it scores 6.6.

140+ public reviews as of Sep 2026 · scored on 18 tagged reviews · same 5-dimension grid for every scored tool · Scores last recalculated on Oct 16, 2026

Try Folderly See pricing

Every score on this page validated by the site owner · latest validation Oct 16, 2026 · How we score

8.5
OUR SCORE / 10
email deliverability tools we score
$96 /mailbox /mo billed annually No free trial stated Read on the vendor's pricing page on Oct 4, 2026
Folderly in three sentences

Folderly is an email deliverability monitoring and inbox placement fixing platform, per its overview page read on Oct 4, 2026. Scores rest on 18 tagged reviews, and customer support has 8 favourable mentions and none negative. Its tiers are priced per mailbox and billed annually, read on Oct 4, 2026.

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Price

What it costs

Four plans. Every figure read on the vendor's pricing page on Oct 4, 2026.

Folderly pricing in US dollars
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25-99 mailboxes
$56 /mailbox /mo billed annually
Mailboxes
25-99
Choose 25-99 mailboxes
10-24 mailboxes
$72 /mailbox /mo billed annually
Mailboxes
10-24
Choose 10-24 mailboxes
1-9 mailboxes
$96 /mailbox /mo billed annually
Mailboxes
1-9
Choose 1-9 mailboxes
100+ mailboxes
Quote
Annual price not published
Mailboxes
100+
Choose 100+ mailboxes
What changed since we last lookedOnly what we read ourselves, dated
Oct 4, 2026
Prices read

Prices read on the vendor's page: 1-9 mailboxes $96, 10-24 $72, 25-99 $56 per mailbox a month, billed annually.

Oct 16, 2026
Scores recalculated

Scores calculated on 18 tagged reviews; global score 8.5.

Features

What you get, what you don't

Six things Folderly does. None of the six is missing on the vendor's pages; the weak spots are in what reviewers say, below.

Inbox monitoringDailyShows where test emails land
Spam triggersBuilt inDetects triggers in Gmail and Outlook
Domain healthBuilt inDomain, mailbox, IP and template monitoring
Placement reportsBuilt inPlacement reports with daily monitoring
Best practicesBuilt inExpert-backed deliverability techniques
IntegrationsAPI and SMTPMajor ESPs plus custom providers
Does it fit your stack?Read on the vendor's public pages on Sep 26, 2026 · "Not published" means the vendor does not say
Integrations
What connects, and how
  • Amazon AWSVia Zapier or API
  • SendpulseVia Zapier or API
  • Elastic EmailVia Zapier or API
  • Google WorkspaceVia Zapier or API
  • SendGridVia Zapier or API
Security & compliance
What your IT team will ask
  • Data hostedNot published
  • GDPR data processing agreementNot published
  • SOC 2 reportSOC 2 Type II Compliant
  • Single sign-onNot published
Support
Channels, hours, and what reviewers say
  • ChannelsNot published
  • HoursNot published
  • PhoneNot published
  • Read as negative0 of 12 tagged reviews
Evidence

The data behind the score

Our five scores against the average of the tools we score.

Tagged reviews from Sep 2023 to Aug 2026
FolderlyAverage of the tools we score
DimensionScorevs averageRead as positive
Ease of setup
9.1
+0.7
9 of 11
Feature depth
6.6
−0.9
2 of 5
Value for money
8.7
+0.4
7 of 10
Support quality
8.9
+1.6
11 of 12
Deliverability impactCategory dimension
8.8
0.0
13 of 18
What reviewers talk aboutCounts are mentions as of Sep 2026
Praised most
Deliverability
10
Customer support
8
Interface
5
Ease of use
5
Criticised most
Learning curve
1

How we score

Fit

Should you buy it?

Name your dealbreaker. No profile is scored on its own yet: too few tagged reviews per profile, so the page shows the overall score.

Your dealbreaker
8.5all reviewers

Buy it if You want daily inbox monitoring that shows where test emails land, with spam trigger checks. Skip it if You put feature depth first, or want monthly billing rather than annual billing.

Before you signEach question comes from a weakness this page names

Questions to ask the vendor

  1. Can warm-up emails be scheduled, and does sending pause at weekends?This review lists daily inbox monitoring, not send timing or weekend sending.
  2. Is there a month-to-month option, or a trial, before an annual commitment?Tiers are billed annually, and cancellation needs one month's written notice, read between Sep 26, 2026 and Oct 4, 2026.
  3. What does the custom price for 100+ mailboxes include?The 100+ mailboxes tier is a custom price, read on Oct 4, 2026.
  4. Which tools connect directly, beyond API and SMTP?Integrations are listed as API and SMTP with major providers, read on Sep 26, 2026.
Alternatives

If Folderly isn't it

Three tools we score in this category. Each covers a dealbreaker above, and the highest-scored tool that covers a dealbreaker is always among them. Price per mailbox has no card: we hold no published fact that shows another tool here does better. Click a card, or a name below, to put it next to Folderly.

Premium Inboxes
If notice and refund terms are why you're leaving
9.5+1.0 vs Folderly
$3.50 /inbox /moNo free trial stated
Read on the vendor's pricing page on Oct 4, 2026
  • Cancel anytime; refund possible if unused, within 7 days, read on Sep 27, 2026
  • Blacklist monitoring draws 1 negative mention
Our review Try
InboxAlly
If annual billing is why you're leaving
9.1+0.6 vs Folderly
$149 /mo10-day free trial
Read on the vendor's pricing page between Sep 26 and Oct 4, 2026
  • Billed monthly, read on Oct 4, 2026; free trial, no credit card, read on Sep 26, 2026
  • Price level draws 10 negative mentions
Our review Try
Debounce
If a contract is why you're leaving
8.7+0.2 vs Folderly
$15 Pay-As-You-GoNo free trial stated
Read on the vendor's pricing page on Oct 4, 2026
  • No contracts, pay-as-you-go, read on Sep 26, 2026
  • Reporting draws 4 negative mentions
Our review Try
Side by side

Folderly vs Premium Inboxes

Compare Folderly with
Folderly Premium Inboxes InboxAlly Debounce
Our score
8.5
9.5
9.1
8.7
Price and plan
Entry price$96 /mailbox /mo billed annually$3.50 /inbox /mo$149 /mo$15 Pay-As-You-Go
Free planNo free plan statedNo free plan statedNo free plan statedNo free plan stated
Free trialNo free trial statedNo free trial stated10-day free trialNo free trial stated
Four dimensions, same grid
Ease of setup
9.1
10.0
8.6
9.0
Feature depth
6.6
9.2
8.7
8.4
Value for money
8.7
9.4
8.6
8.7
Support quality
8.9
10.0
9.3
7.6
Fit
SOC 2 reportSOC 2 Type II CompliantNot publishedNot publishedNot published
Support channelsNot publishedEmailEmail, chat, phone (Premium+)Support ticket
Main strengthDaily inbox placement monitoringDNS setup done by engineersAdaptive automated email warm-upEmail list cleaning and validation

Premium Inboxes resells Google Workspace and Microsoft 365 inboxes; it starts the warm-up and you bring your own domains, read between Sep 27, 2026 and Oct 4, 2026. It scores 9.5 on 59 tagged reviews.

Same five-dimension grid for every tool; the fifth dimension changes with the category and stays out of this table. Prices and integrations read on each vendor's public pages between Sep 26 and Oct 4, 2026.

In depth

What the reviews say, in depth

Setup

Ease of setup scores 9.1 on 11 tagged reviews

Ease of setup scores 9.1, and 9 of the 11 tagged reviews that discuss setup read as favourable. Ease of use has 5 favourable mentions and none negative, and the interface has 6 mentions, 5 of them favourable.

The vendor's overview page says Folderly integrates via API and SMTP with major email service providers and supports custom providers, read on Sep 26, 2026.

Monitoring

Daily monitoring shows where test emails land

The overview page lists daily inbox monitoring that shows where test emails land, and placement reports with daily monitoring, read on Oct 4, 2026. It also lists spam trigger detection in Gmail and Outlook, and monitoring of the domain, mailbox, IP and templates, read on Oct 4, 2026.

Deliverability

Deliverability has 10 favourable mentions and none negative

Deliverability impact scores 8.8, and 13 of the 18 tagged reviews that discuss it read as favourable and 2 as negative. Deliverability has 10 mentions, all favourable, and inbox placement tests have 3 favourable mentions.

Features

Feature depth reads negative in 3 of 5 tagged reviews

Feature depth scores 6.6, and 3 of the 5 tagged reviews that discuss it read as negative and 2 as favourable. The overview page lists a spam words checker, best-practice deliverability guidance and technical and content issue checks, read on Oct 4, 2026.

Amazon AWS, Sendpulse, Elastic Email, Google Workspace, SendGrid and Microsoft Outlook are each listed as available via Zapier or API, read on Sep 26, 2026.

Support

Customer support has 8 favourable mentions and none negative

Support quality scores 8.9, and 11 of the 12 tagged reviews that discuss support read as favourable. Customer support has 8 mentions, all favourable.

Support channels and hours were not found on the contact and help pages, read on Sep 26, 2026.

Value

Value for money scores 8.7 on 10 tagged reviews

Value for money scores 8.7, and 7 of the 10 tagged reviews that discuss value read as favourable. Results and time saved draws 4 favourable mentions and no negative one. Folderly counts by mailbox, with a custom price at 100+ mailboxes.

Questions

Before you commit

Yes, the rate falls as volume rises. The 1-9 mailboxes tier is $96 per mailbox a month, billed annually, 10-24 mailboxes $72 and 25-99 mailboxes $56, each per mailbox a month, billed annually, read on Oct 4, 2026. The 100+ tier is a custom price.

The overview page shows its tiers with annual billing, and no monthly price was found, read between Oct 4, 2026 and Oct 17, 2026. The terms say cancellation needs one month's written notice and all service fees paid are non-refundable, read on Sep 26, 2026.

This review holds no measured lift in inbox placement. The overview page lists daily inbox monitoring that shows where test emails land, read on Oct 4, 2026, and 13 of the 18 tagged reviews that discuss deliverability impact read as favourable.

This review holds no fact on warm-up send schedules or weekend sending, so it cannot answer for Folderly. It lists daily inbox monitoring and placement reports, read on Oct 4, 2026; send timing is a question for the vendor.

Setup has 5 mentions, 4 favourable and none negative, and the learning curve draws 1 negative mention. Support quality scores 8.9 on 12 tagged reviews, though support channels were not found on the pages read on Sep 26, 2026.

This review does not judge whether Folderly is worth its price against a warmup tool. Results and time saved draws 4 favourable mentions, and the overview page lists spam trigger detection and placement reports, read on Oct 4, 2026.

Where to go next

Affiliate linksThis page contains affiliate links: some vendors pay us a commission when you subscribe through their Try button. Scores come from public user reviews, on the same grid for every scored tool. Affiliate disclosure