Folderly VS Omnivery

Compare Folderly VS Omnivery and see what are their differences

Rating: 5.0 · 9 reviews
Pricing: Open source Paid Free trial $120 / Monthly (Folderly Premium)

Rating: 5.0 · 2 reviews
Pricing: Paid

Warmup Inbox

Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically. sponsored

Which is more popular?

Based on our record, Folderly seems to be more popular. It has been mentioned 60 times since March 2021.

social mentions: 60 vs 0
user rating: 5.0 vs 5.0
Email Marketing popularity: 100% vs 0%
alternatives listed: 240+ vs 12

Base details

Website, pricing, platforms and company facts side by side.

	Folderly	Omnivery
Website	folderly.com	omnivery.com
Pricing	Open source Paid Free trial $120 / Monthly (Folderly Premium) Official pricing	Paid
Platforms	Google Workspace Office 365 Outlook Yahoo Zoho AWS Sendgrid SendinBlue Mailgun Sendpulse Intercom Klaviyo Sparkpost SMTP API Marketo Elastic Email Rackspace Technology +15	REST API SMTP Web Webhooks +1
Company	—	Startup from the Czech Republic · 1 - 9 employees · 2022
Listed in	Email Deliverability Email Marketing Platforms Email Marketing SaaS Email Productivity Email Security +3	Email Marketing Transactional Email Secure Email Email Delivery Email Deliverability Email API SMTP Service +4

About Folderly and Omnivery

In their own words, as submitted to SaaSHub.

Folderly

Omnivery

Folderly is more than just an email deliverability tool. Deep email deliverability fixes, technical setup, access to an up-to-date deliverability score, user-friendly template management, team accounts, and, now, spam trigger detection with best practices to follow—all of these features assist...

Features and specs

What each product offers, as listed by its team.

Folderly 13 features

Omnivery 12 features

Spam Fixing
Email Deliverability Testing
Email Placement Dashboard with Analytics
Technical Setup of Domain DNS and Authentication
Active Domain and IP Monitoring
Content Analysis and Recommendations
Email Templates Management
Spam Triggers
Best Practices
Dynamic Seed Rotation
Custom API Integration
Dedicated Customer Success Manager
Onboarding Support

API
SMTP relay and REST API with full feature parity between them
API
Native compatibility with SendGrid v3, Mailgun v3, SparkPost v1 — one-click migration (suppression lists, bounces, unsubscribes)
Infrastructure
100% owned infrastructure — no third-party cloud provider
Compliance
Strict sender vetting: every customer and sending domain reviewed; no free plans; clean shared-IP neighbourhood
Deliverability
Proactive human deliverability analysts (24/7 monitoring, reachable by phone) — not automated alerts
Bot Detection
Bot Detection API: identifies security-scanner clicks, Apple MPP opens, and botnet fraud (20+ datasets, 8+ years)
Security
Phishing protection (blocks unauthorised links, alerts your security team) and email journaling (litigation archive)
Privacy
Never stores message content; metadata retained max 30 days; optional strict-privacy mode anonymises metadata
Data Residency
EU data residency (EU parent, Czech Republic); US infrastructure available for US-based customers
Features
Webhooks, templates, email validation, batch sending
Certifications
ISO 9001, 20000, 22301, 27001, 27017, 27018, 27701 and HIPAA certified
Membership
Certified Senders Alliance, Signal Spam, M3AAWG

Analysis

An editorial look at what each product does well and who it suits.

Folderly

Omnivery

Overall verdict

Overall, Folderly is a beneficial tool for businesses that rely heavily on email marketing and need to ensure their communications reach their audience's inbox. Its specialized focus on improving email deliverability and providing actionable insights makes it a valuable asset for enhancing email campaign performance.

Why this product is good

Folderly is often regarded as a good tool because it provides efficient email deliverability solutions. It helps businesses improve their email performance by reducing emails going to spam and enhancing inbox placement. This is achieved through features like email warm-up, domain and IP reputation management, and detailed deliverability analytics. Its user-friendly interface and comprehensive reporting tools make it accessible for businesses looking to maximize the efficiency of their email campaigns.

Recommended for

Folderly is recommended for marketers, email campaign managers, and businesses that heavily depend on email as a primary communication tool, especially those who experience issues with emails being marked as spam. It is also suitable for businesses looking to optimize their outreach efforts and improve overall email deliverability rates.

Overall verdict

I don't have verified information about Omnivery (omnivery.com) in my knowledge base, so I can't confirm what the product does or assess its quality, pricing, or reputation. I'd recommend researching directly through the website, checking independent reviews (e.g., Trustpilot, G2, Capterra), and looking for user feedback on forums or social media before making a decision.

Why this product is good

No verified data available on this specific product/service to confirm its features or performance
Unable to confirm legitimacy, pricing, or customer satisfaction without direct research
Recommend checking the official website for detailed product information
Look for third-party reviews and ratings to gauge real user experiences

Recommended for

Anyone considering this service should first verify details directly via the official website
Users who can find and review third-party ratings or testimonials before committing
Those comfortable doing independent due diligence when information is limited

Videos

Walkthroughs and reviews on video.

Folderly 5 videos + Add

Omnivery 2 videos + Add

Supercharge Your Email Deliverability With Folderly

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100

Folderly

Omnivery

100% 100%

Email Marketing

0% 0%

Transactional Email

100% 100%

93% 93%

Email Deliverability

7% 7%

100% 100%

0% 0%

Questions & Answers

As answered by people managing Folderly and Omnivery.

Who are some of the biggest customers of your product?

Omnivery's answer:

Kiwi.com
Notino
ČSOB
Beehiiv
Rouvy
TrueML
TV Nova
TV Markíza
Ohne-Makler
Upland (Adestra)
Cruxo

Why should a person choose your product over its competitors?

Omnivery's answer:

Omnivery closes the gaps the major providers leave. Against SendGrid, Mailgun, and Amazon SES you get 100% owned infrastructure (no third-party cloud), the ISO 27001 / 27701 / HIPAA trio, native bot detection, and deliverability run by senior human analysts rather than automated alerts — a combination none of them offer together. Migration is low-risk: the REST API is natively compatible with SendGrid v3, Mailgun v3, and SparkPost v1, so most integrations move with a credential swap, and one-click migration carries over suppression lists, bounces, and unsubscribes. Kiwi switched in 45 minutes and saw a 17% click-rate improvement. And with data residency available in both the EU and US, teams with regional compliance requirements are covered either way.

Which are the primary technologies used for building your product?

Omnivery's answer:

Omnivery runs entirely on its own infrastructure — no third-party cloud provider — built security-first with support for multiple geographic data-storage regions. Sending is delivered through a high-performance mail transfer agent exposed as both an SMTP relay and a REST API that is natively compatible with the SendGrid v3, Mailgun v3, and SparkPost v1 schemas, with real-time webhooks for delivery events. The Bot Detection API is powered by 20+ proprietary datasets built over 8+ years, combining IP reputation, user-agent analysis, behavioural pattern matching, and honeypot data.

What's the story behind your product?

Omnivery's answer:

Omnivery grew out of Mailkit, an email platform founded in the Czech Republic in 2006 that became known for deliverability — "the ones who know how to deliver." Over the years, customers kept asking to use that sending infrastructure directly as an SMTP and API service. Founder and CEO Jakub Olexa saw that most sending services shared the same weakness — loose abuse controls and weak privacy enforcement dragging down everyone's reputation and deliverability — so Omnivery was built on the opposite principle: strict sender vetting, no free plans, owned infrastructure, and compliance first. The company was founded in 2021 and the platform launched in May 2022, carrying 18+ years of deliverability heritage.

What makes your product unique?

Omnivery's answer:

Omnivery is a transactional email platform that runs on 100% owned infrastructure — no third-party cloud — and admits only vetted senders, so every customer sends from a clean IP neighbourhood rather than a shared pool full of unknown accounts. Three things set it apart from SendGrid, Mailgun, and Amazon SES: it is certified to ISO 27001, ISO 27701, and HIPAA together (a combination no other major transactional provider holds), it never stores message content, and it includes a Bot Detection API that flags security-scanner clicks, Apple MPP opens, and botnet fraud. Deliverability is handled by senior human analysts who reach out before problems become incidents — not by automated alerts.

How would you describe the primary audience of your product?

Omnivery's answer:

Omnivery is built for teams that treat email as mission-critical infrastructure and can't afford a password reset, 2FA code, receipt, or booking confirmation to arrive late or land in spam. In practice that means SaaS and product teams, e-commerce and marketplaces, travel and booking platforms, and regulated industries — financial services, insurance, and healthcare (Omnivery is HIPAA-certified, with BAAs available). It's a particularly strong fit for regulated and privacy-sensitive teams that need compliance enforced at the infrastructure level — with data residency available in the EU or US — and for utilities, banks, and public-sector bodies running legacy systems that can send via SMTP but can't be rebuilt around a REST API.

User comments

Share your experience with using Folderly and Omnivery. For example, how are they different and which one is better?

Reviews and articles

External articles and on-site reviews we used to compare the two products.

Folderly 5.0 · 9 reviews

Omnivery 5.0 · 2 reviews

Top 14 Email Warm-Up Tools for B2B SaaS
www.mailwarm.com · Dec 2025

Folderly: Full deliverability service offering warm-up, remediation, audits, configuration help, and a managed roadmap for recovery from spam placement.
Folderly guarantees that our emails are delivered to the inbox
SaaSHub review

· Sep 2023

Our field of work requires extensive communication via email; therefore, we needed a solution that would monitor our email deliverability rate and help us eliminate any possible issues causing our emails to land in...
Folderly saves our emails from spam
SaaSHub review

· Aug 2023

With Folderly, we have a clear picture of the situation with our mailboxes, understand what exactly caused our emails to go to spam, and see our campaigns' performance getting better. The team is always ready to give...

State of the art service
SaaSHub review

· Jul 2026

As an email marketing agency we've been using Omnivery for our clients for several years now and their proactive support never case to amaze us. We're sending through Omnivery apprx. 250 mio. emails / year. Excellent...
Wonderful ESP with so much value
SaaSHub review

· Jul 2026

I've been using Omnivery for a little over a year now, and the platform has continued to evolve in ways that have helped take our email program to the next level. One of the biggest differentiators is its ability to...

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Folderly 60 mentions

Omnivery 0 mentions

Breaking Into Legal Tech
Make • Build and automate workflows InvoiceBerry • Online invoicing for small businesses Gusto • Payroll, benefits and HR management Hive • Manage tasks, workflows and team’s work Lanva • Social video editing app. ClickUp • Manage... Source: almost 4 years ago
Why do businesses always have such long voice mail greetings?
BTW, the same thing I noticed with emails. I recently started to work with them, and differentiating emails and sending them to the right group of people brings a more positive outcome. We recently checked it on https://folderly.com/.... Source: about 4 years ago
Is there somewhere an email client for mac that is not gmail, implements labels and supports IMAP?
Finally, I would suggest you also use https://folderly.com/ in addition to those two email clients. I would help you avoid making your emails spammy and maintain a high email deliverability score. It’s essential if you’re using email for... Source: about 4 years ago

Tracking Omnivery since Jul 2026.

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Email warmup tool to avoid spam folder, since 2020 - Backed by Email Deliverability Experts

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Sparkpost
Deliver your app and website emails on time and to the inbox. Trusted to send 25% of the world's non-spam email. Email delivery for companies big and small.

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