G-Lock EasyMail7 vs Apollo.io: A Comparison That Shouldn't Exist
G-Lock EasyMail7 is Windows desktop software for sending email campaigns to lists you already have. Apollo.io is a cloud sales platform for finding prospects you don't. If you're weighing these two against each other, stop - they don't compete. One's a mailroom, the other's a Rolodex.
30-Second Verdict
Pick EasyMail7 if you already own a contact list and want high-volume sending at rock-bottom cost from your own infrastructure.
Pick Apollo if you need to build a prospect list from scratch and run outbound sales sequences from the cloud.
Side-by-Side Comparison
| Feature | EasyMail7 | Apollo.io |
|---|---|---|
| Deployment | Windows desktop (on-prem) | Cloud SaaS |
| Pricing | One-time $159-$1,569 | $49-$119/seat/mo |
| Contact database | None (BYO list) | 275M+ contacts |
| Primary use | Email marketing | Sales prospecting |
| Email verification | No native verification | Limited deliverability controls |
| Integrations | Amazon SES / SMTP | Salesforce, HubSpot, dozens more |
| Reviews | 4.8/5 Capterra (33 reviews) | 4.7/5 G2 (9,512 reviews) |
| Data privacy | On-premises | SOC 2 + ISO 27001 |
EasyMail7 needs you to bring a list. Apollo gives you one with 79% accuracy. Prospeo delivers 300M+ profiles with 98% verified emails, refreshed every 7 days - not every 6 weeks. Feed clean data into any sending tool at ~$0.01/email.
Stop choosing between no data and bad data.
What Each Tool Actually Does
G-Lock EasyMail7
EasyMail7 is an in-house email marketing platform that runs on Windows with a client-server architecture. You install the server, connect it to Amazon SES or your own SMTP relay, and send campaigns at scale for very little money. One Capterra reviewer reports sending 65,000 emails per day via Amazon SES with monthly costs in the hundreds - a workload that'd run thousands on a typical SaaS platform. Users even automate individualized payroll payslips with attachments, a use case no SaaS ESP handles well.
Pricing is one-time: Personal at $159, Business at $259 (3 users + 2 free), Enterprise at $1,569 (30 users). No subscription. Capterra reviewers give customer service a perfect 5.0, which is rare for any software category.
Strengths: Unbeatable cost-per-email at high volume, and full on-premises data control - nothing leaves your server.
Weaknesses: You manage SPF, DKIM, and DMARC yourself, and setup isn't trivial. There's also zero contact sourcing. You bring your own list or you've got nothing to send.
Apollo.io
Apollo is a cloud GTM platform built around a 275M+ contact database. Search by job title, company size, technographics, and dozens of other filters, then push prospects into multi-step sequences combining email, calls, and tasks. It's the default starting point for most SMB outbound teams, and 9,512 G2 reviews at 4.7/5 reflect that popularity.
Pricing runs per-seat plus credits: Free (50 credits/mo), Basic ($49/seat/mo), Professional ($79/seat/mo), Organization ($119/seat/mo, min 3 seats - that's $4,284/year minimum). Credits don't roll over, and the math gets ugly fast. Exporting an email costs 1 credit; a mobile number costs 5. That means 50 free credits covers roughly 8 full contacts. Waterfall enrichment can cause credit consumption to vary by market, making budgeting unpredictable.
A top complaint in cold email communities is data accuracy. One r/coldemail post reported 18% hard bounces on day one with a supposedly "95% accurate" list. Apollo's deliverability controls are also basic compared to dedicated sending tools like Smartlead or Instantly. On the privacy front, Apollo holds SOC 2 and ISO 27001 certifications, but they've acknowledged that GDPR safeguards don't apply to the Chrome extension. We've also seen Reddit threads flag concerns about mailbox connection permissions - including read access - when connecting Microsoft 365, which raises questions for teams handling sensitive communications.
Strengths: Massive database with strong search filters, and all-in-one prospecting, sequencing, and CRM sync.
Weaknesses: Email accuracy sits around 79%, so expect verification overhead. The credit model punishes exploration, and costs compound quickly.
Which One Do You Need?
You have a list and want cheap, high-volume sending. EasyMail7. Pair it with Amazon SES at around $1 per 10,000 emails and you've got an email marketing engine that costs less per year than one month of most SaaS platforms. In our experience, the setup complexity is worth it for anyone sending 10K+ emails regularly.
If you're trying to scale safely, it also helps to understand email velocity and the best way to send bulk email without getting blacklisted.
You need to build a prospect list and run outbound sequences. Apollo. The database, sequencing, and CRM integrations make it a complete outbound stack for teams that need everything in one place.
If you're still building your outbound motion, start with proven sales prospecting techniques and a clear lead generation workflow.
You need accurate B2B emails to feed into any outbound tool. Neither solves this well. EasyMail7 doesn't source contacts at all. Apollo's accuracy gap means you'll burn sender reputation before you hit your stride.
Here's the thing: most teams comparing these two don't actually need either tool. They need clean data first and a sending mechanism second. Get those in the wrong order and you'll spend more time recovering your domain than closing deals.
The Real Gap - Verified Data
Both tools leave a hole. EasyMail7 assumes you already have contacts. Apollo gives you contacts, but bounce rates tell a different story than the marketing copy.
If you want to fix the root cause, look at data enrichment services and an end-to-end email deliverability guide.
The results speak for themselves. Snyk cut bounce rates from 35-40% to under 5% across 50 AEs after switching their enrichment source, while Stack Optimize maintains 94%+ deliverability and sub-3% bounces across all client campaigns with zero domain flags.
Snyk cut bounce rates from 35-40% to under 5% across 50 AEs. Stack Optimize maintains sub-3% bounces with zero domain flags. The difference? Prospeo's 5-step verification and 7-day refresh cycle. No Windows install. No credit games. 75 free emails/month.
Get the data right first - your domain reputation depends on it.
FAQ
Can G-Lock EasyMail7 do outbound prospecting?
No. EasyMail7 sends to lists you already own - it has no contact database and no prospecting features. You'll need a separate data source to build your list before importing it into EasyMail7 for sending.
Does Apollo.io work offline or on-premises?
No. Apollo is entirely cloud-based and requires an internet connection. If you need on-premises data control - common in regulated industries like healthcare or finance - EasyMail7 runs locally on your Windows server or workstations.
Why do Apollo emails bounce so often?
Apollo's 275M+ database prioritizes breadth over freshness, and records can go weeks without re-verification. Users on r/coldemail report 18%+ hard bounce rates on fresh exports. Running Apollo lists through a dedicated verification tool before sending cuts bounces dramatically - teams using Prospeo's 7-day refresh cycle typically see rates drop below 5%.