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.
Every score on this page validated by the site owner · latest validation Oct 16, 2026 · How we score
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.
See it before you read on
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What it costs
Four plans. Every figure read on the vendor's pricing page on Oct 4, 2026.
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Prices read on the vendor's page: 1-9 mailboxes $96, 10-24 $72, 25-99 $56 per mailbox a month, billed annually.
Scores calculated on 18 tagged reviews; global score 8.5.
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.
- Amazon AWSVia Zapier or API
- SendpulseVia Zapier or API
- Elastic EmailVia Zapier or API
- Google WorkspaceVia Zapier or API
- SendGridVia Zapier or API
- Data hostedNot published
- GDPR data processing agreementNot published
- SOC 2 reportSOC 2 Type II Compliant
- Single sign-onNot published
- ChannelsNot published
- HoursNot published
- PhoneNot published
- Read as negative0 of 12 tagged reviews
The data behind the score
Our five scores against the average of the tools we score.
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.
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.
Price is set per mailbox, billed annually The 1-9 mailboxes tier is $96 per mailbox a month, billed annually, and the 25-99 tier $56 per mailbox a month, billed annually, read on Oct 4, 2026. We hold no published fact that shows another tool here does better.
Cancellation needs one month's written notice The terms say cancellation needs one month's written notice, read on Sep 26, 2026; the pricing page shows annual billing, read on Oct 4, 2026, and no monthly price was found, read on Oct 17, 2026. Premium Inboxes covers it
All service fees paid are non-refundable The terms say all payment obligations are non-cancelable and all service fees paid are non-refundable, read on Sep 26, 2026. Premium Inboxes covers it
Questions to ask the vendor
- Can warm-up emails be scheduled, and does sending pause at weekends?This review lists daily inbox monitoring, not send timing or weekend sending.
- 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.
- What does the custom price for 100+ mailboxes include?The 100+ mailboxes tier is a custom price, read on Oct 4, 2026.
- Which tools connect directly, beyond API and SMTP?Integrations are listed as API and SMTP with major providers, read on Sep 26, 2026.
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.

- Cancel anytime; refund possible if unused, within 7 days, read on Sep 27, 2026
- Blacklist monitoring draws 1 negative mention

- Billed monthly, read on Oct 4, 2026; free trial, no credit card, read on Sep 26, 2026
- Price level draws 10 negative mentions

- No contracts, pay-as-you-go, read on Sep 26, 2026
- Reporting draws 4 negative mentions
Folderly vs Premium Inboxesthe three alternatives
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 plan | No free plan stated | No free plan stated | No free plan stated | No free plan stated |
| Free trial | No free trial stated | No free trial stated | 10-day free trial | No 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 report | SOC 2 Type II Compliant | Not published | Not published | Not published |
| Support channels | Not published | Email, chat, phone (Premium+) | Support ticket | |
| Main strength | Daily inbox placement monitoring | DNS setup done by engineers | Adaptive automated email warm-up | Email 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.
InboxAlly runs adaptive warm-up, reputation repair and placement testing without your ESP or DNS access, read between Sep 26, 2026 and Oct 4, 2026. It scores 9.1 on 34 tagged reviews.
Debounce cleans email lists and blocks bad signups in real time, read on Sep 26, 2026. It scores 8.7 on 69 tagged reviews.
Read between Sep 26 and Oct 4, 2026: Folderly daily monitoring, $96 per mailbox a month, billed annually; Premium Inboxes unlimited replacement inboxes; InboxAlly $149 a month, billed monthly; Debounce list cleaning.
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. Some of these prices have not been read again for 6 months. Check the vendors' pages before you buy.
What the reviews say, in depth
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.
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 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.
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.
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 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.
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.
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