mailfloss vs Ocean.io: Data Enrichment Tool Comparison
Compare mailfloss and Ocean.io side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.
mailfloss and Ocean.io serve different jobs in data enrichment. mailfloss is an email verification service that cleans email lists daily on autopilot for $29/mo entry pricing, while Ocean.io is a B2B prospecting and enrichment platform using usage-based credit pricing for lookalike filters and waterfall enrichment across 16+ data sources. The right pick depends on budget and specific needs.
Key takeaways
- mailfloss publishes an entry price of $29/mo for its Lite plan, which includes 10,000 credits per month.
- Ocean.io uses usage-based pricing across Subscription Yearly, Subscription Monthly, Pay as you go, and Custom plan tiers.
- mailfloss lists 10 features including custom keep and remove rules, real-time API, webhooks, and single sign-on.
- Ocean.io lists waterfall enrichment across 16+ data sources plus AI-powered lookalike filters and direct phone numbers.
- HubSpot is the only integration shared by both mailfloss and Ocean.io, while mailfloss connects with 28 other platforms and Ocean.io connects with Pipedrive, Salesforce, and Clay.
Reviewed and updated September 4, 2026
mailfloss vs Ocean.io: Data Enrichment Tool Comparison
If you are comparing B2B lead data and contact enrichment tools, mailfloss and Ocean.io will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.
The Quick Answer
By each vendor's own wording, mailfloss lists cleans your list daily and removes addresses that decay over time, while Ocean.io lists ai-powered lookalike filters and waterfall enrichment (16+ data sources). A capability both offer can appear under different names, so read both feature lists below.
mailfloss publishes an entry price of $29/mo; Ocean.io uses usage-based pricing, so the two cannot be compared on list price.
If your priority is finding accurate contact data for target accounts, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.
Understanding the Core Difference
mailfloss is mailfloss is an email verification service that connects to your email marketing platform and cleans the list daily on autopilot, removing bad addresses, fixing typos and blocking bot and spam signups in real time. Subscriptions are sized by credits per month; prepaid credits cover one-time list uploads.
Ocean.io is B2B prospecting and enrichment platform that returns verified emails and direct phone numbers on one credit system shared across the platform and the API.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Lite
Subscription (Yearly)
mailfloss Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Lite | $29/mo | 10,000 credits/month |
| Business | $59/mo | 25,000 credits/month |
| Pro | $209/mo | 125,000 credits/month |
| Prepaid credits | Usage-based | - |
Source: mailfloss Pricing
Ocean.io Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Subscription (Yearly) | Usage-based | Minimum 9,000 credits, maximum 60,000; credits valid for 12 months |
| Subscription (Monthly) | Usage-based | Minimum 750 credits, maximum 5,000; credits valid for 6 months |
| Pay as you go | Usage-based | Minimum 1,000 credits, maximum 20,000; credits valid for 3 months |
| Custom plan | Contact Sales | Volume pricing for larger teams with flexible credit allocation |
Source: Ocean.io Pricing
Pricing Analysis
One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.
Features Breakdown
- Cleans your list daily
- Removes addresses that decay over time
- Custom keep and remove rules
- Zapier integration
- Real-time API
- Webhooks
- and 4 more listed below
- AI-powered lookalike filters
- Waterfall enrichment (16+ data sources)
- Double email verification (incl. catch-alls)
- Direct phone numbers
- Chrome extension
- Unlimited seats
- and 2 more listed below
mailfloss Key Features
- Cleans your list daily
- Removes addresses that decay over time
- Custom keep and remove rules
- Zapier integration
- Real-time API
- Webhooks
- Automatically fixes typos
- Prevents bounces in real-time
- Auto-tags subscribers after verification
- Single sign-on
Ocean.io Key Features
- AI-powered lookalike filters
- Waterfall enrichment (16+ data sources)
- Double email verification (incl. catch-alls)
- Direct phone numbers
- Chrome extension
- Unlimited seats
- Free exports
- API access
The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.
Listed only by mailfloss
- Cleans your list daily
- Removes addresses that decay over time
- Custom keep and remove rules
- Zapier integration
- Real-time API
- Webhooks
- Automatically fixes typos
- Prevents bounces in real-time
- Auto-tags subscribers after verification
- Single sign-on
Listed only by Ocean.io
- AI-powered lookalike filters
- Waterfall enrichment (16+ data sources)
- Double email verification (incl. catch-alls)
- Direct phone numbers
- Chrome extension
- Unlimited seats
- Free exports
- API access
Integration Ecosystem
mailfloss Integrations
mailfloss connects with: Mailchimp, Klaviyo, HubSpot, ActiveCampaign, Kit, beehiiv, GoHighLevel, Braze, AWeber, Drip, MailerLite, Constant Contact, Brevo, Campaign Monitor, GetResponse, Ontraport, iContact, Sendlane, Moosend, Keap, Intercom, Customer.io, Iterable, Ghost, Emma, SendPulse, Benchmark, Mautic, Zapier.
Ocean.io Integrations
Ocean.io connects with: HubSpot, Pipedrive, Salesforce, Clay.
Shared Integrations
Both tools integrate with: HubSpot.
Integrations listed only by mailfloss: Mailchimp, Klaviyo, ActiveCampaign, Kit, beehiiv, GoHighLevel, Braze, AWeber, Drip, MailerLite, Constant Contact, Brevo, Campaign Monitor, GetResponse, Ontraport, iContact, Sendlane, Moosend, Keap, Intercom, Customer.io, Iterable, Ghost, Emma, SendPulse, Benchmark, Mautic, Zapier.
Integrations listed only by Ocean.io: Pipedrive, Salesforce, Clay.
Use Case Recommendations
Best Fit for mailfloss
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that need a wide feature set (10 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (29 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Best Fit for Ocean.io
- Enterprise buyers who prefer custom pricing and dedicated support
- Revenue operations teams building targeted prospect lists
- Marketing teams enriching CRM data for segmentation
- Sales teams researching target accounts
Feature Comparison Summary
| Feature | mailfloss | Ocean.io |
|---|---|---|
| Starting Price | $29/mo | Usage-based |
| Top Tier Price | Usage-based | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 29 | 4 |
Getting Started Checklist
- Define your B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected data credits or contact lookups to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
mailfloss and Ocean.io both serve the B2B lead data and contact enrichment market. mailfloss publishes an entry price of $29/mo, while Ocean.io uses usage-based pricing for its plans, so compare on features and on the quote you receive. Your decision should weigh pricing against the specific features that matter most for your workflow.
Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.
Pricing and features verified as of September 2026. Visit mailfloss and Ocean.io for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between mailfloss and Ocean.io?
- mailfloss is an email verification service that connects to your email marketing platform and cleans your list daily on autopilot, removing bad addresses and fixing typos. Ocean.io is a B2B prospecting and enrichment platform that returns verified emails and direct phone numbers using a shared credit system across its platform and API.
- How much does mailfloss cost compared to Ocean.io?
- mailfloss publishes a clear entry price of $29/mo for its Lite plan, covering 10,000 credits per month. Ocean.io uses usage-based pricing instead of a fixed list price, with plans like Subscription Yearly requiring a minimum of 9,000 credits, so the two cannot be directly compared on price alone.
- Which integrations do mailfloss and Ocean.io have in common?
- HubSpot is the only integration shared by both mailfloss and Ocean.io according to their own published lists. mailfloss additionally connects with tools like Mailchimp, Klaviyo, ActiveCampaign, and Zapier, while Ocean.io additionally connects with Pipedrive, Salesforce, and Clay.
- Which tool is better for a budget-conscious team?
- mailfloss is recommended for budget-conscious teams looking for an affordable data enrichment tool, according to the article's use case recommendations. It also suits teams that want a wide feature set, since it lists 10 capabilities on its feature page.
- Does Ocean.io offer phone numbers and email verification?
- Yes, Ocean.io lists direct phone numbers and double email verification, including catch-alls, among its key features. It also includes AI-powered lookalike filters and waterfall enrichment drawing from 16+ data sources.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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