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Compare Instantly and Success.ai 
At a Glance
Market Segments
Small-Business (96.0% of reviews)
Small-Business (76.3% of reviews)
Entry-Level Pricing
Free Trial Per Month
$99.00 Per Month
Instantly
Star Rating
(3,702)4.8 out of 5
Market Segments
Small-Business (96.0% of reviews)
Entry-Level Pricing
Free Trial Per Month
Free Trial is available
Browse all 4 pricing plansSuccess.ai
Star Rating
(267)4.9 out of 5
Market Segments
Small-Business (76.3% of reviews)
Entry-Level Pricing
$99.00 Per Month
Browse all 3 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that Instantly offers a free trial, making it accessible for small businesses to test the software before committing, while Success.ai's entry-level price of $99.00 may deter some potential users.
- Reviewers mention that Instantly has a significantly larger number of reviews (3686) compared to Success.ai (226), indicating a more established user base and potentially more reliable feedback.
- G2 users highlight that both products excel in ease of use, but Success.ai edges out with a score of 9.7 compared to Instantly's 9.5, suggesting a slightly more intuitive interface for new users.
- Users on G2 report that Success.ai outperforms Instantly in features like Automated Email Responses and Email Deliverability, with scores of 9.6 versus Instantly's 9.1 and 9.4 respectively, indicating a stronger capability in managing email campaigns.
- Reviewers mention that while both products provide good support, Success.ai has a slight advantage in Quality of Support with a score of 9.7, suggesting that users may receive more effective assistance when needed.
- Users say that Success.ai excels in data accuracy across various metrics, such as Contact Data Accuracy (9.7) and Company Data Accuracy (9.8), compared to Instantly's scores of 9.1, which may impact the effectiveness of lead generation efforts.
Featured Products
Sponsored
Attio
(22)
Email Marketing
Visit Website
Pricing
Entry-Level Pricing
Instantly
Free
Free Trial
Per Month
Everything you need to scale your cold outreach campaigns.
- Unlimited email sending accounts
- Unlimited domain warmup
- Advanced sequences
Success.ai
Growth
$99.00
Per Month
UNLIMITED:
Contact Profiles,
Sending, and Warm-Up
- 5 Connected Email Accounts
- 10,000 AI Writer Credits
- 1 Additional Paid User
Free Trial
Instantly
Free Trial is available
Success.ai
Free Trial is available
Ratings
Meets Requirements
9.4
3,222
9.7
237
Ease of Use
9.5
3,376
9.7
243
Ease of Setup
9.2
2,543
9.4
141
Ease of Admin
9.4
1,743
9.8
22
Quality of Support
9.6
3,202
9.7
237
Has the product been a good partner in doing business?
9.5
1,716
9.7
22
Product Direction (% positive)
9.8
3,259
9.8
237
Features by Category
Sales Force Automation
9.1
139
Not enough data
8.7
135
Not enough data
9.0
147
Not enough data
8.9
135
Not enough data
8.8
136
Not enough data
9.0
136
Not enough data
8.7
132
Not enough data
8.7
127
Not enough data
8.7
133
Not enough data
Marketing Automation
9.5
135
Not enough data
9.5
137
Not enough data
9.4
136
Not enough data
9.1
141
Not enough data
Customer Support
9.0
135
Not enough data
9.1
132
Not enough data
9.0
131
Not enough data
8.4
124
Not enough data
9.0
127
Not enough data
Reporting & Analytics
9.1
121
Not enough data
9.3
119
Not enough data
8.8
120
Not enough data
Mobile & Social
8.7
128
Not enough data
8.5
116
Not enough data
8.7
119
Not enough data
Platform
8.9
158
Not enough data
9.0
152
Not enough data
9.0
151
Not enough data
8.7
152
Not enough data
8.6
151
Not enough data
9.0
149
Not enough data
9.4
153
Not enough data
8.7
160
Not enough data
Integration
9.3
128
Not enough data
9.0
126
Not enough data
9.0
124
Not enough data
Generative AI
8.9
101
Not enough data
Agentic AI - CRM
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
Email Marketing
8.9
2254
9.7
189
9.3
2283
9.7
195
9.5
2289
9.5
195
9.4
2254
9.6
188
9.6
2304
9.5
189
9.4
2260
9.6
193
9.1
2152
9.6
183
9.1
1977
9.4
180
8.4
1873
9.5
179
Reporting & Analytics
9.2
2224
9.4
185
9.2
2223
9.5
186
Generative AI
8.7
1337
9.6
144
8.7
1346
9.6
142
Agentic AI - Email Marketing
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
Integration
9.3
2250
9.4
189
8.9
2123
9.6
185
8.7
2089
9.5
182
8.8
1966
9.5
184
8.2
1922
9.6
180
8.2
1856
9.4
181
Data Availability
9.1
527
9.8
89
9.1
519
9.8
87
8.9
504
9.7
87
8.7
188
9.6
32
Data Accuracy
9.1
481
9.7
89
9.1
497
9.8
86
8.9
209
9.8
30
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
9.1
449
9.7
86
9.2
454
9.7
86
9.5
488
9.8
87
9.3
456
9.7
86
8.9
434
9.6
85
8.9
459
9.6
83
Features
9.2
469
9.7
87
9.0
492
9.7
85
9.0
458
9.6
87
9.1
471
9.7
85
9.1
455
9.7
86
8.8
443
9.7
86
9.0
460
9.7
84
9.2
452
9.8
88
9.3
469
9.7
86
Lead Intelligence
8.7
164
Not enough data
8.9
165
Not enough data
9.0
165
Not enough data
Lead Management
9.1
189
Not enough data
8.6
192
Not enough data
9.0
187
Not enough data
Marketing Campaigns
8.7
200
Not enough data
8.3
222
Not enough data
8.6
200
Not enough data
8.9
190
Not enough data
8.9
189
Not enough data
Campaign Execution
8.4
157
Not enough data
9.0
174
Not enough data
8.6
155
Not enough data
9.5
156
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
8.8
431
Not enough data
9.0
405
Not enough data
9.4
449
Not enough data
8.8
399
Not enough data
Organization
9.1
408
Not enough data
9.1
390
Not enough data
9.0
395
Not enough data
Performance Analysis
8.8
401
Not enough data
9.2
427
Not enough data
Sales Analysis
8.6
438
Not enough data
8.7
400
Not enough data
Generative AI
9.0
285
Not enough data
9.0
282
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
8.8
1446
Not enough data
9.2
1489
Not enough data
9.1
1524
Not enough data
9.3
1426
Not enough data
Tracking
9.2
1446
Not enough data
9.0
1408
Not enough data
9.3
1509
Not enough data
9.1
1426
Not enough data
9.0
1418
Not enough data
Reporting
9.3
1564
Not enough data
9.3
1580
Not enough data
9.2
1517
Not enough data
9.0
1541
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
8.1
151
Not enough data
9.3
154
Not enough data
6.9
147
Not enough data
7.5
146
Not enough data
8.4
165
Not enough data
7.7
147
Not enough data
7.9
160
Not enough data
Repeatability and Reportability
8.0
145
Not enough data
8.3
142
Not enough data
8.5
143
Not enough data
7.9
155
Not enough data
7.4
143
Not enough data
AI and Automation
8.4
149
Not enough data
8.3
156
Not enough data
8.5
149
Not enough data
8.2
153
Not enough data
8.2
141
Not enough data
Generative AI
8.5
144
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
Lead Intelligence
9.2
499
9.6
102
8.9
491
9.5
102
9.0
496
9.6
102
9.0
494
9.5
100
8.5
505
9.4
100
Agentic AI - Lead Intelligence
Not enough data
8.6
6
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 - 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
9.4
886
Not enough data
9.2
861
Not enough data
8.9
821
Not enough data
Customizations
9.3
850
Not enough data
9.6
881
Not enough data
9.1
911
Not enough data
9.3
879
Not enough data
9.1
860
Not enough data
Generative AI
8.9
602
Not enough data
Categories
Categories
Shared Categories
Instantly and Success.ai are categorized as Lead Mining, Lead Intelligence, CRM, Sales Intelligence, and Email Marketing
Unique Categories
Instantly is categorized as Sales Engagement, Email Deliverability, AI Sales Assistant, Account Data Management, Visitor Identification, and Email Tracking
Success.ai has no unique categories
Reviews
Reviewers' Company Size
Instantly
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Success.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
Marketing and Advertising
46.0%
Computer Software
8.4%
Information Technology and Services
6.6%
Consulting
5.4%
Staffing and Recruiting
4.0%
Other
29.6%
Marketing and Advertising
34.4%
Information Technology and Services
5.3%
Computer Software
5.0%
Accounting
4.2%
Health, Wellness and Fitness
2.7%
Other
48.5%
Most Helpful Reviews
Instantly
Most Helpful Favorable Review
Xavier B.
Verified User in Marketing and Advertising
I discovered Instantly by someone mentioning it on Twitter. At first I was a bit skeptical because I've burned through a lot of cold email software. The feature I like most about it is the fact that you can add unlimited amounts of mailboxes which makes...
Most Helpful Critical Review
Abby C.
Verified User in Marketing and Advertising
I’ve been paying for the “done-for-you” email accounts and using Instantly to send cold emails, but unfortunately, it hasn’t worked most of the time. The email accounts stopped functioning, which means no emails are being sent — yet I’m still being...
Success.ai
Most Helpful Favorable Review
Muhammad Inam u.
Verified User in Information Technology and Services
Success.ai streamlines our email marketing efforts. Managing several inboxes is a significant time-saver, and the AI email writer is a game-changer.
Most Helpful Critical Review
Verified User in Consulting
Bad email data, inaccurate information, support not great.
Xavier B.
Verified User in Marketing and Advertising
I discovered Instantly by someone mentioning it on Twitter. At first I was a bit skeptical because I've burned through a lot of cold email software. The feature I like most about it is the fact that you can add unlimited amounts of mailboxes which makes...
Muhammad Inam u.
Verified User in Information Technology and Services
Success.ai streamlines our email marketing efforts. Managing several inboxes is a significant time-saver, and the AI email writer is a game-changer.
Abby C.
Verified User in Marketing and Advertising
I’ve been paying for the “done-for-you” email accounts and using Instantly to send cold emails, but unfortunately, it hasn’t worked most of the time. The email accounts stopped functioning, which means no emails are being sent — yet I’m still being...
Verified User in Consulting
Bad email data, inaccurate information, support not great.
Discussions
What is Instantly used for?
7 comments
AP
a) Cold emails being sent
b) Prospects being searched forRead more
Instantly has no more discussions with answers
Success.ai has no discussions with answers
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