ZeroBounce Pricing: Worth It or Consider mailfloss? [June 2025]

Looking for an email verification solution that’ll reduce your bounce rates without draining your marketing budget?

After extensively testing ZeroBounce and several ZeroBounce alternatives, I’ve gained valuable insights into what makes an effective and cost-efficient email verification service.

ZeroBounce positions itself as a comprehensive verification platform with a credit-based system, multi-step verification process, and additional deliverability tools. However, its basic verification features and higher per-email costs may not be ideal for businesses seeking true automation.

If you’re looking for a “set-and-forget” email verification experience, want to save significantly on per-email verification costs, and need seamless integration with your existing email marketing stack, mailfloss offers a compelling alternative.

In this detailed comparison, we’ll analyze:

• ZeroBounce’s pricing structure and what you get at each tier
• How mailfloss delivers automated verification at lower costs
• Feature-by-feature value comparison between both platforms
• Hidden costs you should be aware of before deciding
• Which platform best complements your email marketing efforts

Let’s dive into the details to help you decide on your email verification strategy.

ZeroBounce vs mailfloss: Pricing Comparison Summary

ZeroBounce Pricing: In-Depth Look

ZeroBounce operates on a credit-based system with additional monthly subscriptions for deliverability tools. This approach offers flexibility but requires careful management of credits and features.

Plan Overview

Credit-Based System: Starting at $0.009 per email

ZeroBounce’s primary pricing model revolves around credits, with each credit equaling one email verification. This approach provides flexibility for businesses with varying verification needs.

Pros:

✅ No expiration on purchased credits

✅ Flexible usage across all platform features

✅ Significant volume discounts (up to 75% at the highest tier)

✅ 96%+ accuracy guarantee with refund options

Cons:

❌ Minimum purchase requirement of 2,000 credits

❌ Less granular automation settings compared to more specialized automated solutions

❌ Additional costs for AI email scoring and advanced features

❌ API rate limitations noted by some users

Deliverability Suite: Starting at $49/month

For advanced email optimization beyond verification, ZeroBounce offers a separate subscription for its comprehensive deliverability tools. It starts with a freemium plan that offers 100 credits for free monthly email verifications.

Pros:

✅ Comprehensive email optimization beyond verification

✅ Integrated warmup services for improved deliverability

✅ DMARC monitoring for enhanced security

✅ 20% discount for annual billing

Cons:

❌ Separate cost from verification credits

❌ Limited free tier functionality

❌ Additional learning curve for advanced features

❌ Potential for fragmented billing across tools

mailfloss Pricing: The Alternative

mailfloss takes a fundamentally different approach with all-inclusive subscription plans that emphasize automation and simplicity at competitive prices.

Plan Overview

Lite Plan: $29/month

The Lite plan targets small businesses and those new to email verification. It offers 10,000 monthly verifications at $0.0029 per email, automatic daily cleanup, decay protection, real-time API access, etc., at an affordable entry point.

Pros:

✅ Budget-friendly at $29/month

✅ Automatic daily email list cleaning and decay protection

✅ Access to real-time API and Zapier integration

Cons:

❌ Limited to only 1 ESP integration

❌ Higher overage rate ($0.005 per email)

❌ Limited scalability for growing businesses

Business Plan: $59/month

The Business plan serves growing companies and e-commerce email marketers needing more verification capacity and integration options. It offers 25,000 monthly verifications at $0.0024 per email, 10 ESP integrations, real-time email validation, and a 15% discount on prepaid credits.

Pros:

✅ 10 ESP integrations

✅ Lower overage rate ($0.003 per email)

✅ 15% discount on prepaid credits

Cons:

❌ Pricing might be a stretch for very small businesses

Pro Plan: $209/month

The Pro plan targets large organizations and high-growth teams managing extensive email lists. It offers 125,000 monthly verifications at $0.0017 per email, unlimited ESP integrations, priority support, and the lowest overage rates ($0.001 per email).

Pros:

✅ Unlimited ESP integrations

✅ Lowest overage rates ($0.001 per email)

✅ Priority support and 20% off prepaid credits

✅ Single Sign-On for enterprise security needs

Cons:

❌ Higher investment level

❌ May offer more capacity than smaller businesses need

mailfloss Free Trial

mailfloss offers a seven-day free trial with complete access to all features, allowing thorough platform testing before commitment. The trial is backed by a 30-day money-back guarantee.

Feature Value Comparison

The practical implementation is just as important as the pricing when evaluating email verification tools.

Verification Depth & Automation

ZeroBounce’s Approach: ZeroBounce employs a proprietary multi-step verification process that thoroughly validates emails. It offers automated verification through ESP integrations and allows you to schedule validation runs, with processing times around 45 minutes for 100,000 emails. While powerful, it lacks granular control and advanced auto-actions.

mailfloss’ Approach: mailfloss delivers true automation through three distinct verification frequencies:

• Autofloss: Daily scanning for new subscribers
• Instafloss: Real-time verification as subscribers join
• Decay Protection: Full monthly verification of your entire database

After verification, you can choose between automatic or manual handling, with automatic mode providing several auto actions for invalid emails, such as spam traps, disposable emails, and abuse emails. Auto actions include:

• Auto-unsubscribe invalid email addresses from your lists
• Auto-delete invalid emails permanently
• Auto-update custom fields/tags with email validation data
• Auto-fix typos in real-time

Value Verdict: mailfloss delivers superior value through its automated approach that saves significant time and ensures consistently clean lists without constant attention.

Integration Capabilities

ZeroBounce’s Approach: ZeroBounce offers 27 total integrations (16 official, 11 third-party) plus Zapier connectivity. While comprehensive, some users report technical challenges with setup and maintenance.

mailfloss’ Approach: mailfloss supports 40 direct ESP integrations with seamless setup. This extensive network ensures compatibility with most email marketing platforms without complex technical requirements.

Value Verdict: mailfloss provides greater integration value with its more extensive ecosystem and simplified connection process, reducing technical barriers for marketing teams.

Subscriber Recovery & List Protection

ZeroBounce’s Approach: ZeroBounce can suggest domain fixes for common typos, but requires manual implementation. It focuses primarily on external blacklist monitoring rather than proactive filtering.

mailfloss’ Approach: mailfloss automatically corrects typos from major email providers in real-time, recovering subscribers who would otherwise be lost. Additionally, it offers comprehensive blacklist/whitelist capabilities with multiple matching criteria for precise control.

Value Verdict: mailfloss’ automatic typo correction and robust filtering directly impact subscriber acquisition and list quality management, potentially covering its subscription cost through recovered conversions alone.

ZeroBounce Pricing: Hidden Costs & Considerations (vs mailfloss)

Beyond the advertised pricing, several factors impact the total cost of using any of these email verifiers:

Capterra Review: Mesa W., Email Marketing Specialist, Media Production

“mailfloss hums along seamlessly in the background to keep our high-volume email database clean and tidy and deliverability woes at bay. The most remarkable thing about mailfloss, though, is that we’ve used it with three different high-powered email platforms, and every time we migrate, their founder personally sees to it that the new integration is set up properly.”

Final Verdict: ZeroBounce vs mailfloss

Researching ZeroBounce’s pricing and testing its features compared to mailfloss, we came to these conclusions:

Choose ZeroBounce if:

• Your primary needs include advanced deliverability tools beyond verification
• You have a dedicated email team actively managing verification
• You operate in an enterprise environment with a complex email infrastructure
• You require detailed activity data and categorization

Choose mailfloss if:

• You want a complete “set-and-forget” automated solution
• You need to recover subscribers with common email typos in real-time
• You’re looking for the best value (57–66% savings vs. ZeroBounce)
• You prefer simple, predictable monthly pricing
• You need extensive ESP integrations without technical complexity

Try mailfloss risk-free with its seven-day trial and see how its comprehensive automation can transform your email deliverability rates while saving time and money.

ZeroBounce Pricing: Frequently Asked Questions

Is ZeroBounce free?

ZeroBounce offers a freemium plan that includes 100 free validation credits monthly. This allows you to test the service without commitment, though you’ll need to purchase credits or subscribe to a paid plan for regular use.

How does ZeroBounce’s credit system work?

ZeroBounce operates on a credit-based system where one credit equals one email verification. Credits you purchase never expire, providing flexibility for businesses with varying verification needs.

What is the minimum number of credits I can purchase?

ZeroBounce requires a minimum purchase of 2,000 credits, which starts at $18 ($0.009 per email verification).

Are there discounts for buying credits in bulk?

ZeroBounce offers significant volume discounts, with savings of up to 75% when purchasing 2 million credits or more. As your volume increases, your cost per verification decreases substantially.

How much does the Deliverability Suite cost?

The Deliverability Suite starts at $49/month for the Starter plan, with additional options for Team ($99/month) and Pro ($249/month) plans. Annual billing provides a 20% discount across all plans.