Folderly vs Gaitle (2026)
By Noahlast updated
Folderly
FolderlyEmail deliverability platform that diagnoses, fixes, and monitors inbox placement for B2B outbound teams.
- Pricing
- Free tier · paid from $79/mo
- License
- Freemium
Best for B2B sales and RevOps teams sending high-volume cold outbound email who need to test and maintain inbox placement across many mailboxes
Gaitle
Email deliverability tool that asks each new signup for a reply, for SaaS founders whose welcome, reset and billing emails land in spam or Promotions.
- Pricing
- Free tier · paid from $19/mo
- License
- Freemium
Best for Early-stage SaaS founders on a new sending domain whose welcome emails, password resets and billing alerts keep landing in spam or Promotions
Which should you choose?
Choose Folderly if…
wins 3/6 use cases
- You send B2B cold or outbound email, which Gaitle does not cover because it acts only on new signups
- You want pre-send tests of inbox placement, IP reputation and SPF, DKIM and DMARC records, with 100 Inbox Insights tests for $79/month
- You want free real-time spam-placement alerts by email, Slack or SMS through Pulse
- Your security review asks for SOC 2 and ISO 27001, which Folderly claims
- You send through ESPs other than Resend, Postmark or Mailgun, since Folderly connects to major ESPs and custom providers by API and SMTP
Choose Gaitle if…
wins 2/6 use cases
- You run a SaaS product and your welcome emails, password resets or billing alerts land in spam or Promotions
- You send through Resend, Postmark or Mailgun and can call one webhook from Stripe, Clerk, Supabase or your backend
- You want reputation built from real user replies rather than a warmup network, measured as a 0-100 Reply Health score
- You are an early-stage founder on a small budget: free up to 100 users a month, then $19/month ($15 billed yearly) for up to 2,000
- You want every reply forwarded to your inbox, so the nudge doubles as a direct line to new users
Folderly vs Gaitle: feature comparison
| Feature | Folderly | Gaitle |
|---|---|---|
| Starting price | Yesfrom $79/mo for 100 tests (Inbox Insights) | Yesfrom $19/mo, $15/mo billed yearly (Starter) |
| Free tier | YesPulse monitoring plus 2 Inbox Insights tests a month | Yesup to 100 users a month, no card |
| Platforms | Partialweb only | Partialweb only |
| License | Noclosed-source, free tools plus paid plans | Noclosed-source, free tier plus paid plans |
| Cold and outbound email | Yesbuilt for B2B outbound and cold campaigns | Noacts only on new signups |
| SaaS transactional email | Unknown | Yesreply requests aimed at welcome, reset and billing email placement |
| Reputation building | Yesper-mailbox maintenance at $96/mailbox/mo billed annually (core) | Yesone reply request per new signup from your own domain |
| Inbox placement testing | YesInbox Insights tests placement, IPs and DNS records | Notracks reply, complaint and bounce rates instead |
| Real-time spam alerts | YesPulse alerts by email, Slack or SMS, free | Partialdeliverability scoring and alerts from $49/mo (Pro) |
| DNS and IP checks | YesSPF, DKIM, DMARC and IP reputation | Unknown |
| Sending providers | Yesmajor ESPs and custom providers via API and SMTP | PartialResend, Postmark or Mailgun only, with a verified domain |
| Self-serve signup | PartialInbox Insights and Pulse self-serve; core product needs a demo | Yesone webhook from Stripe, Clerk, Supabase or your backend |
| Subject-line A/B tests | Unknown | Yesincluded in the product |
| API and automation | YesAPI and SMTP connections | Yessignup webhook; API, webhooks and Zapier from $49/mo (Pro) |
| Security and compliance | YesSOC 2 and ISO 27001 claimed | Partialencrypted API keys, no shared IPs, data export and deletion |
| External ratings | Yes4.8/5 (G2), 4.9/5 (Capterra) | Unknown |
| Learning curve | Partialmoderate | Yeslow |
Folderly vs Gaitle: pricing
Every tier both tools publish, as we last checked them — not just the entry price.
Folderly
- PulseReal-time spam-placement monitoring with alerts via email, Slack, and SMS.Free
- Inbox Insights Free2 deliverability tests per month covering placement, IPs, and DNS records.Free
- Inbox Insights Monthly100 deliverability tests per month, billed monthly.$79/mo
- Inbox Insights Yearly100 deliverability tests per month, billed annually (save 15% vs monthly).$799/yr
- Folderly (core)Per-mailbox sender-reputation maintenance, billed annually (save 20% vs monthly rate).$96/mo
Gaitle
- FreeUp to 100 users a month, 1 project and 1 sender, basic reply tracking, community support; no card required.Free
- StarterBilled monthly ($15/month billed yearly, $180/year): up to 2,000 users a month, 3 projects, unlimited senders, advanced reply analytics, custom templates and variables, email support with 24-hour response; 14-day trial without a card.$19/mo
- ProBilled monthly ($39/month billed yearly, $468/year): unlimited users and projects, multi-team workspaces, deliverability scoring and alerts, webhooks, API and Zapier, 4-hour priority support, exportable audit log.$49/mo
Do Folderly and Gaitle solve the same problem?
No — Folderly tests, maintains and monitors inbox placement for B2B outbound and cold email, while Gaitle improves placement of a SaaS product's transactional email by asking each new signup for a reply.
Folderly bundles three tools: Inbox Insights for pre-send placement, IP and DNS tests, Pulse for real-time spam-placement alerts, and the core Folderly service for ongoing sender-reputation maintenance. Gaitle sends exactly one short email per signup from your own domain, because Gmail and Outlook weigh replies when deciding where later welcome, password-reset and billing emails land. Gaitle does nothing for existing users, cold-outreach lists or people who ignore the nudge, and positions itself against warmup tools such as MailReach, Warmup Inbox and lemwarm.
Folderly vs Gaitle pricing: which costs less?
Gaitle costs less, from $19/month ($15/month billed yearly) for up to 2,000 users a month, against $79/month for Folderly's Inbox Insights tests and $96 per mailbox per month, billed annually, for Folderly's core maintenance.
Folderly's Pulse monitoring is free, Inbox Insights includes 2 free tests a month, and 100 tests a month cost $79 billed monthly or $799 a year. The core Folderly service is priced per mailbox, so 5 mailboxes cost $480 a month on the annual plan, and it requires a sales demo. Gaitle is free for up to 100 users a month, and Pro costs $49/month ($39 billed yearly) for unlimited users and projects, with a 14-day trial and no card on paid plans.
Which is easier to set up, Folderly or Gaitle?
Gaitle is easier to set up, with a low learning-curve rating and a single webhook call that Gaitle says goes live in about five minutes, while Folderly carries a moderate rating and its core product starts with a sales demo.
Gaitle does require your own Resend, Postmark or Mailgun account and a verified domain before the webhook works. Folderly's Inbox Insights and Pulse tools have direct sign-up, so a team can run placement tests and turn on spam alerts without talking to sales.
Which gives clearer deliverability results, Folderly or Gaitle?
Folderly gives more direct measurement, with placement, IP and DNS tests plus real-time spam alerts, while Gaitle's effect is indirect: Gaitle reports a 0-100 Reply Health score built from reply, complaint and bounce rates, and any placement gain depends on users choosing to reply.
Folderly claims a 99% deliverability rate for customers and reports 4.8/5 on G2 and 4.9/5 on Capterra; the 99% figure is Folderly's own. Gaitle adds subject-line A/B tests and daily send caps that pace new domains, but results vary with how many signups reply and are hard to attribute.
Strengths and weaknesses
Folderly
Pros
- Free tier available on both Inbox Insights (2 tests/month) and Pulse monitoring
- Covers the full deliverability workflow: pre-send testing, ongoing maintenance, and real-time monitoring in one ecosystem
- SOC 2 and ISO 27001 compliance claimed, relevant for teams handling sensitive outbound data
- Integrates via API and SMTP with major ESPs plus custom providers
- Independently rated 4.8/5 on G2 and 4.9/5 on Capterra
Cons
- Core Folderly product is per-mailbox priced ($96/mailbox/month annual), which gets expensive for teams with many sending mailboxes
- Core product requires a sales demo instead of self-serve signup
- Inbox Insights free tier is limited to only 2 tests per month
- No listed platforms beyond web; no native desktop or mobile app
Gaitle
Pros
- Sends from your own domain and provider (Resend, Postmark or Mailgun) with no shared IPs, and provider API keys are stored encrypted.
- Exactly one email per signup, never a drip sequence, which keeps complaint risk low.
- Setup is one webhook call from Stripe, Clerk, Supabase or your own backend, live in about five minutes.
- Free for up to 100 users a month with no card; paid plans start with a 14-day trial and cancel in one click.
- Every reply is forwarded to your inbox, so the nudge doubles as a direct line to new users.
Cons
- Narrow scope: it improves reputation only through new-signup replies, not for existing lists, cold outreach or non-repliers.
- Not standalone; it requires your own Resend, Postmark or Mailgun account and a verified domain.
- The free tier caps at 100 users a month and the next step is Starter at $19/month for up to 2,000, with nothing in between.
- Any deliverability gain is indirect and depends on recipients choosing to reply, so results vary and are hard to attribute.
Which fits your use case?
| Use case | Pick | Why |
|---|---|---|
| SDR team sending cold email from dozens of mailboxes | Folderly | Folderly is built for B2B outbound, with per-mailbox reputation maintenance, placement tests and Pulse spam alerts; Gaitle does nothing for cold-outreach lists. |
| Early-stage SaaS whose password resets land in spam | Gaitle | Gaitle asks each new signup for a reply from your own domain, which inbox providers weigh when placing later reset, welcome and billing emails. |
| Marketing team that wants a placement test before each campaign | Folderly | Folderly's Inbox Insights checks placement, IPs and DNS records before sending, with 100 tests a month for $79. |
| Founder on Resend or Postmark with a brand-new domain | Gaitle | Gaitle connects to Resend, Postmark or Mailgun with one webhook and paces new domains with daily send caps. |
| Company that needs SOC 2 and ISO 27001 from a deliverability vendor | Folderly | Folderly claims SOC 2 and ISO 27001 compliance; Gaitle lists encrypted API keys and no shared IPs but no certifications. |
| Team that wants to start without paying | Tie | Folderly's Pulse alerts and 2 Inbox Insights tests a month are free, and Gaitle is free for up to 100 users a month; the right one depends on whether you send cold outreach or product email. |
Neither a match?
Both lists carry verified pricing and honest weaknesses for every option.
Popular comparisons
Folderly vs Gaitle: migration FAQ
Should I use Folderly or Gaitle?
- Use Folderly if you send B2B cold or outbound email and need placement tests, spam alerts and reputation maintenance; use Gaitle if you run a SaaS product whose transactional emails land in spam and you send through Resend, Postmark or Mailgun.
Is Folderly cheaper than Gaitle?
- No — Folderly's paid tools start at $79/month for 100 Inbox Insights tests and its core maintenance costs $96 per mailbox per month billed annually, while Gaitle starts at $19/month. Both have free tiers: Folderly's Pulse alerts and 2 tests a month, and Gaitle's 100 users a month.
Can Gaitle replace Folderly?
- No for cold outreach, because Gaitle acts only on new signups and does nothing for cold-outreach lists or existing users. Gaitle fits SaaS teams whose transactional email lands in spam, a job outside Folderly's stated focus on B2B outbound email.
Does Gaitle work for cold email?
- No — Gaitle sends one reply request per new signup and does nothing for cold-outreach lists, existing users or people who ignore the nudge. Folderly is the one of the two built for B2B outbound and cold email.
Is Folderly free?
- Partly — Folderly's Pulse monitoring is free and Inbox Insights includes 2 free tests a month. 100 tests cost $79/month, and the core reputation service costs $96 per mailbox per month billed annually after a sales demo.