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Compare Apollo.io and Seamless.AI 
At a Glance
Market Segments
Small-Business (67.8% of reviews)
Small-Business (64.4% of reviews)
Entry-Level Pricing
Free 1 user Per Month
Free Trial
Apollo.io
Star Rating
(8,839)4.7 out of 5
Market Segments
Small-Business (67.8% of reviews)
Entry-Level Pricing
Free 1 user Per Month
Free Trial is available
Browse all 4 pricing plansSeamless.AI
Star Rating
(5,038)4.4 out of 5
Market Segments
Small-Business (64.4% of reviews)
Entry-Level Pricing
Free Trial
Free Trial is available
Browse all 4 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that Apollo.io excels in Lead Validation with a score of 8.9, while Seamless.AI trails behind at 8.0. Reviewers mention that Apollo.io's validation process is more robust, ensuring higher quality leads.
- Reviewers mention that Apollo.io's Browser Extension is highly rated at 9.2, providing seamless integration with web browsers, whereas Seamless.AI's extension scores 8.6. Users appreciate the ease of use and functionality of Apollo.io's extension for quick access to data.
- Users on G2 highlight Apollo.io's superior Performance and Reliability with a score of 9.0 compared to Seamless.AI's 8.5. Reviewers say that Apollo.io consistently delivers fast and reliable service, which is crucial for daily operations.
- Reviewers mention that Apollo.io offers better Contact Data Accuracy at 8.4, while Seamless.AI scores 7.6. Users report that Apollo.io's data is more reliable, which is essential for effective outreach and engagement.
- Users say that Apollo.io shines in Search functionality with a score of 9.1, compared to Seamless.AI's 8.4. Reviewers appreciate the advanced search capabilities that allow for more precise targeting of leads.
- G2 users report that Apollo.io's Lead Builder feature is particularly effective, scoring 9.0, while Seamless.AI's feature scores 8.3. Reviewers mention that Apollo.io's Lead Builder allows for more customization and better lead generation outcomes.
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Pricing
Entry-Level Pricing
Apollo.io
Free
Free
1 user Per Month
Unlimited email credits, 5 mobile credits per month, 10 export credits per month
- Basic Sequence Automation (2 Sequence Limit)
- Basic Filters
- Buying Intent (3 Intent Topic Limit)
Seamless.AI
Free Trial
Free Trial
Get 50 Free Credits and Try it for Yourself!
- Verified Emails, Cell Phones and Direct Dials For Everyone You Need to Sell to
- Download our Free Chrome Extension
- Search Anywhere on the Web, Including LinkedIn Sales Navigator
Free Trial
Apollo.io
Free Trial is available
Seamless.AI
Free Trial is available
Ratings
Meets Requirements
9.1
7,016
8.4
4,536
Ease of Use
9.1
7,103
8.8
4,670
Ease of Setup
8.9
3,362
8.9
3,686
Ease of Admin
9.1
2,314
8.8
1,220
Quality of Support
8.9
6,001
8.5
3,995
Has the product been a good partner in doing business?
9.2
2,300
8.5
1,214
Product Direction (% positive)
9.4
6,734
8.7
4,554
Features by Category
Data Availability
8.8
2352
8.3
2791
8.9
2326
8.4
2763
8.7
2171
8.0
2665
|
Verified
7.5
348
7.7
1879
Data Accuracy
8.4
2300
7.6
2727
8.6
2258
8.0
2697
7.4
337
7.7
1874
Agentic AI - Sales Intelligence
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Platform
8.5
946
7.7
2198
8.8
1523
|
Verified
8.3
2288
|
Verified
9.0
1647
8.5
2362
8.7
1486
|
Verified
Feature Not Available
7.9
1139
|
Verified
7.4
2147
|
Verified
8.4
1142
7.8
2165
Features
9.0
1879
8.3
2607
8.7
1639
8.2
2527
8.6
1709
|
Verified
7.8
2511
|
Verified
8.8
1831
|
Verified
8.0
2529
|
Verified
9.1
2167
|
Verified
8.4
2674
|
Verified
8.4
1428
7.3
2370
|
Verified
8.4
850
7.7
2441
|
Verified
8.6
1638
|
Verified
Feature Not Available
8.7
1569
|
Verified
Feature Not Available
Lead Intelligence
8.1
552
Not enough data
8.2
547
Not enough data
8.3
546
Not enough data
Lead Management
8.4
561
Not enough data
7.7
554
Not enough data
8.4
551
Not enough data
Marketing Campaigns
Feature Not Available
Not enough data
7.4
533
Not enough data
7.4
525
Not enough data
7.7
525
Not enough data
7.9
527
Not enough data
Campaign Execution
Feature Not Available
Not enough data
8.0
525
Not enough data
7.9
516
Not enough data
8.3
519
Not enough data
Agentic AI - Account Data Management
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Lead Generation
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Lead Facilitation
7.6
636
Not enough data
8.4
675
Not enough data
8.4
672
Not enough data
8.0
642
Not enough data
Organization
8.3
647
Not enough data
8.3
647
Not enough data
8.3
640
Not enough data
Performance Analysis
7.9
661
Not enough data
8.4
678
Not enough data
Sales Analysis
7.8
650
Not enough data
8.0
655
Not enough data
Generative AI
7.9
534
Not enough data
7.9
532
Not enough data
Agentic AI - AI Sales Assistant
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Diagnosis
7.5
330
Not enough data
7.7
330
Not enough data
7.8
327
Not enough data
8.1
323
Not enough data
Tracking
8.0
327
Not enough data
7.7
322
Not enough data
8.4
327
Not enough data
8.0
323
Not enough data
7.9
317
Not enough data
Reporting
8.2
319
Not enough data
8.0
316
Not enough data
7.8
312
Not enough data
7.5
314
Not enough data
Agentic AI - Email Deliverability
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Integrated Workflows
8.6
2127
|
Verified
Not enough data
9.0
2475
|
Verified
Not enough data
8.0
1700
|
Verified
Not enough data
8.5
1924
Not enough data
8.6
2046
|
Verified
Not enough data
8.4
1778
Not enough data
8.5
1804
Not enough data
Repeatability and Reportability
8.5
1938
|
Verified
Not enough data
8.7
2008
|
Verified
Not enough data
8.7
1995
|
Verified
Not enough data
8.4
1861
|
Verified
Not enough data
Feature Not Available
Not enough data
AI and Automation
8.6
2038
Not enough data
8.6
2010
Not enough data
8.6
1868
Not enough data
8.4
1814
Not enough data
8.2
1655
Not enough data
Generative AI
7.8
856
Not enough data
Agentic AI - Sales Engagement
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Dialing Options
7.8
70
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Agent Tools
7.6
67
Not enough data
6.6
67
Not enough data
6.9
69
Not enough data
7.8
70
Not enough data
Automation
6.9
67
Not enough data
6.9
68
Not enough data
6.8
67
Not enough data
7.0
67
Not enough data
7.6
69
Not enough data
Agentic AI - Auto Dialer
Not enough data
Not enough data
Not enough data
Not enough data
Call Analytics
8.6
110
Not enough data
8.5
108
Not enough data
8.7
109
Not enough data
8.6
110
Not enough data
Agent Performance Management
8.5
107
Not enough data
8.3
106
Not enough data
8.6
109
Not enough data
Generative AI
8.6
96
Not enough data
Agentic AI - Conversation Intelligence
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Grammar
8.8
196
Not enough data
8.5
192
Not enough data
8.7
192
Not enough data
Formatting
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Content
8.6
180
Not enough data
8.7
186
Not enough data
Feature Not Available
Not enough data
Product Type
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Generative AI
8.4
151
Not enough data
8.4
152
Not enough data
Data Availability
8.5
222
8.4
728
8.5
229
8.4
725
7.6
218
Feature Not Available
Platform Additional Functionality
8.5
234
8.3
709
8.2
223
8.1
690
7.6
219
7.9
675
8.1
220
7.8
673
Feature Not Available
7.9
679
Voice
Feature Not Available
Not enough data
8.2
40
Not enough data
Transcription
8.3
40
Not enough data
8.2
39
Not enough data
Feature Not Available
Not enough data
8.1
39
Not enough data
Editing
8.2
39
Not enough data
8.0
39
Not enough data
8.3
39
Not enough data
8.3
38
Not enough data
Integration
7.9
39
Not enough data
7.6
40
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
7.6
39
Not enough data
Agentic AI - Transcription
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Lead Intelligence
8.9
3229
|
Verified
8.0
3075
8.9
3075
|
Verified
8.0
3014
8.9
3264
|
Verified
7.9
3097
8.8
2951
|
Verified
7.8
2958
9.2
3053
8.6
3032
Agentic AI - Lead Intelligence
Not enough data
8.1
6
Lead Monitoring
8.7
800
Not enough data
8.6
797
Not enough data
8.5
793
Not enough data
Agentic AI - Lead Capture
Not enough data
Not enough data
Not enough data
Not enough data
Data Capture
8.0
790
Not enough data
8.5
757
Not enough data
8.1
751
Not enough data
8.6
779
Not enough data
Analytics
8.7
775
Not enough data
8.5
764
Not enough data
Customization
8.2
753
Not enough data
8.4
771
Not enough data
8.3
749
Not enough data
8.6
774
Not enough data
Matching
8.7
137
Not enough data
8.3
134
Not enough data
8.3
134
Not enough data
Routing
8.5
133
Not enough data
8.5
129
Not enough data
8.4
131
Not enough data
8.8
128
Not enough data
Platform Operations
8.6
130
Not enough data
8.5
128
Not enough data
8.5
129
Not enough data
8.2
130
Not enough data
8.6
129
Not enough data
8.6
130
Not enough data
Revenue Sourcing and Forecasting
7.9
32
Not enough data
8.4
32
Not enough data
8.1
32
Not enough data
8.1
31
Not enough data
8.2
32
Not enough data
7.6
32
Not enough data
8.1
32
Not enough data
CRM Data Enrichment
8.8
32
Not enough data
8.4
31
Not enough data
8.3
31
Not enough data
8.7
31
Not enough data
8.7
31
Not enough data
Account Management
8.3
31
Not enough data
8.3
31
Not enough data
8.0
31
Not enough data
8.2
31
Not enough data
8.2
31
Not enough data
7.8
31
Not enough data
Agentic AI - Revenue Operations & Intelligence (RO&I)
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Calendar View
7.7
49
Not enough data
7.6
49
Not enough data
Shared Calendar
7.8
48
Not enough data
7.9
49
Not enough data
Accessibility
8.2
48
Not enough data
7.7
49
Not enough data
Integration
7.8
49
Not enough data
7.9
48
Not enough data
7.6
49
Not enough data
Notifications
7.7
48
Not enough data
7.7
47
Not enough data
Generative AI
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Agentic AI - Calendar
Not enough data
Not enough data
Integrations
7.1
72
Not enough data
8.7
76
Not enough data
7.6
69
Not enough data
8.2
71
Not enough data
7.8
68
Not enough data
Branding & Customizatio
7.9
69
Not enough data
8.0
70
Not enough data
7.8
66
Not enough data
Automatic Rules & Configurations
8.7
72
Not enough data
8.7
66
Not enough data
8.3
68
Not enough data
Agentic AI - Business Scheduling
Not enough data
Not enough data
Not enough data
Not enough data
Generative AI
7.7
608
Not enough data
Feature Not Available
Not enough data
Agentic AI - Email Verification
Not enough data
Not enough data
Meeting Prep - AI Meeting Assistants
7.8
13
Not enough data
7.2
13
Not enough data
6.7
13
Not enough data
Meeting Automation - AI Meeting Assistants
7.9
13
Not enough data
7.7
13
Not enough data
7.2
13
Not enough data
Meeting Insights - AI Meeting Assistants
7.3
13
Not enough data
7.2
13
Not enough data
7.1
13
Not enough data
Accessibility - AI Meeting Assistants
7.1
13
Not enough data
7.1
13
Not enough data
7.9
13
Not enough data
Agentic AI - Lead Mining
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Visitor Identification
Not enough data
Not enough data
Agentic AI - Lead Scoring
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Attribution
9.0
312
Not enough data
8.9
307
Not enough data
8.6
283
Not enough data
Discovery
9.1
315
Not enough data
8.7
291
Not enough data
8.8
308
Not enough data
Management
8.5
280
Not enough data
8.7
303
Not enough data
Platform
8.8
286
Not enough data
8.8
293
Not enough data
Agentic AI - Sales Performance Management
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Incentives
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
7.8
205
Not enough data
Personalization
Feature Not Available
Not enough data
8.2
212
Not enough data
8.5
216
Not enough data
8.2
212
Not enough data
Administrative
8.4
211
Not enough data
8.3
207
Not enough data
8.1
206
Not enough data
Agentic AI - Email Tracking
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Analytics
8.4
624
Not enough data
8.3
616
Not enough data
8.0
606
Not enough data
Customizations
8.6
615
Not enough data
8.9
621
Not enough data
8.4
621
Not enough data
8.3
613
Not enough data
8.5
607
Not enough data
Generative AI
7.9
531
Not enough data
Agentic AI - Outbound Call Tracking
Not enough data
Not enough data
Not enough data
Not enough data
Calling
8.2
281
Not enough data
8.0
274
Not enough data
8.2
271
Not enough data
8.4
269
Not enough data
Contacts
8.3
270
Not enough data
8.1
264
Not enough data
8.4
269
Not enough data
Insights
8.3
266
Not enough data
8.3
264
Not enough data
7.7
259
Not enough data
8.5
266
Not enough data
8.2
260
Not enough data
Agentic AI - Sales Coaching
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Training
Feature Not Available
Not enough data
Feature Not Available
Not enough data
7.4
52
Not enough data
Feature Not Available
Not enough data
Feedback
7.9
52
Not enough data
7.5
53
Not enough data
Feature Not Available
Not enough data
7.5
53
Not enough data
7.8
51
Not enough data
7.7
51
Not enough data
Feature Not Available
Not enough data
Generative AI
7.8
43
Not enough data
Agentic AI - Marketing Account Intelligence
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Lead Intelligence
8.9
1007
Not enough data
8.8
584
Not enough data
9.0
1057
Not enough data
Lead Management
9.0
994
Not enough data
8.6
884
Not enough data
9.0
1011
Not enough data
Marketing Campaigns
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
8.9
931
Not enough data
Data Availability - Marketing Account Intelligence
8.2
81
Not enough data
Data Accuracy - Marketing Account Intelligence
8.2
80
Not enough data
Categories
Categories
Shared Categories
Apollo.io and Seamless.AI are categorized as Buyer Intent Data Providers, Lead Intelligence, and Sales Intelligence
Unique Categories
Apollo.io is categorized as Business Scheduling, Revenue Operations & Intelligence (RO&I), Lead-to-Account Matching and Routing, Transcription, AI Writing Assistant, Conversation Intelligence, Sales Engagement, Email Deliverability, AI Sales Assistant, Auto Dialer, Email Verification, Marketing Account Intelligence, Account Data Management, Sales Coaching, Outbound Call Tracking, Lead Mining, Lead Scoring, Visitor Identification, Lead Capture, Email Tracking, Sales Performance Management, Calendar, and AI Meeting Assistants
Seamless.AI has no unique categories
Reviews
Reviewers' Company Size
Apollo.io
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Seamless.AI
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Information Technology and Services
14.9%
Computer Software
13.4%
Marketing and Advertising
12.4%
Staffing and Recruiting
4.5%
Financial Services
4.2%
Other
50.5%
Information Technology and Services
13.9%
Computer Software
13.2%
Marketing and Advertising
11.7%
Consulting
4.2%
Staffing and Recruiting
4.1%
Other
53.0%
Most Helpful Reviews
Apollo.io
Most Helpful Favorable Review
Ankur S.
Verified User in Computer Software
Read the title! There's a shit tonne of Salestech Saas products out there. When it comes to sales prospecting for SDRs, ZenProspect is going to win this race. I'm an ex-Outreach user (sorry folks). Their product is addictive and got me obsessed with...
Most Helpful Critical Review
Andrew G.
Verified User in Computer Software
The customer service is literally the worst I've ever experienced in tech, likely because they are scaling so fast. It is unimaginably bad. Like worse than Comcast, and I'm sadly not even joking. At least Comcast will resolve your issue after hours of pain....
Seamless.AI
Most Helpful Favorable Review
Leslie A.
Verified User in Consulting
Seamless AI makes it very easy to narrow my search for contacts down to a specific name. company, size of companies, location, specific job titles, and more. This is the best tool I have found. I also love the fact that I can search old contacts that I...
Most Helpful Critical Review
Adam N.
Verified User in Computer Software
The "direct dial" info is only about 5% accurate realistically - emails bounce, job and company data is never accurate at all either it seems.
Ankur S.
Verified User in Computer Software
Read the title! There's a shit tonne of Salestech Saas products out there. When it comes to sales prospecting for SDRs, ZenProspect is going to win this race. I'm an ex-Outreach user (sorry folks). Their product is addictive and got me obsessed with...
Leslie A.
Verified User in Consulting
Seamless AI makes it very easy to narrow my search for contacts down to a specific name. company, size of companies, location, specific job titles, and more. This is the best tool I have found. I also love the fact that I can search old contacts that I...
Andrew G.
Verified User in Computer Software
The customer service is literally the worst I've ever experienced in tech, likely because they are scaling so fast. It is unimaginably bad. Like worse than Comcast, and I'm sadly not even joking. At least Comcast will resolve your issue after hours of pain....
Adam N.
Verified User in Computer Software
The "direct dial" info is only about 5% accurate realistically - emails bounce, job and company data is never accurate at all either it seems.
Alternatives
Discussions
What is Apollo IO used for?
23 comments
AP
Apollo.io is widely used database software. It is used for searching database like companies, contacts, designation, phone numbers, business email addresses....Read more
How do I submit my business to apollo
11 comments
SS
Same here - I can't submit my company either. Wearitar - https://wearitar.comRead more
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