Data verified September 25, 2026
Apollo.io vs Success.ai
Apollo.io is cheaper at entry level for one seat (cheapest paid plan): $49 per month against $99. Apollo.io wins 2 of our 8 comparison points, Success.ai wins 3, 1 is a tie.
Data verified · Sources: Apollo.io pricing, Success.ai pricing, Methodology
Verdict
Who wins, point by point
| Dimension | Apollo.io | Success.ai | Winner |
|---|---|---|---|
| Cheapest paid plan for 1 seat (per month) | $49 (Basic, billed annually) | $99 (Starter, billed monthly) | Apollo.io |
| Cheapest paid plan for 5 seats (per month) | $245 (Basic, billed annually) | $99 (Starter, billed monthly) | Success.ai |
| Free plan | Yes: Free | No | Apollo.io |
| Email sender limit | 15 | Unlimited | Success.ai |
| Warmup included | Not published | Yes | Not comparable |
| Email verification | Not published | Included | Not comparable |
| CRM | Included | Included | Tie |
| G2 rating | 4.7 (9,694 reviews, 2026-07-25) | 4.9 (258 reviews, 2026-01-08) | Success.ai |
The differences
What the numbers say
For 1 seat, Apollo.io's cheapest paid plan costs $49 per month against $99.
For 5 seats, Success.ai's cheapest paid plan costs $99 per month against $245.
Apollo.io has a free plan; Success.ai does not.
Success.ai lets you connect unlimited email senders against 15 for Apollo.io.
Success.ai rates 4.9 on G2 against 4.7.
We cannot compare warmup included, email verification, because at least one of the two vendors does not publish it.
Every plan
Plan by plan, side by side
Apollo.io: 5 plans
| Free | Basic | Professional | Organization | Custom / Enterprise | |
|---|---|---|---|---|---|
| Price, billed monthly | $0/mo | Not published | Not published | Not published | Custom |
| Price, billed annually (per month) | $0/mo | $49/mo | $79/mo | $119/mo | Custom |
| Email sender limit | Not published | Not published | 5 | 15 | Not published |
Sources: www.apollo.io/pricing, www.apollo.io/insights/apollo-vs-instantly
Success.ai: 3 plans
| Starter | Growth | Enterprise | |
|---|---|---|---|
| Price, billed monthly | $99/mo | $199/mo | Custom |
| Price, billed annually (per month) | $74/mo | $149/mo | Custom |
| Warmup: accounts warmed at once | Yes | Yes | Yes |
| Emails per month | 50,000 | 150,000 | Unlimited |
| Lead-search credits per month | 6,000 | 10,000 | Not published |
| CRM | Yes | Yes | Yes |
| Unibox (shared reply inbox) | Yes | Yes | Yes |
Sources: www.success.ai/pricing
When to pick which
Pick Apollo.io if…
- It wins on cheapest paid plan for 1 seat (per month), free plan.
Pick Success.ai if…
- Its pricing page targets solo founders, which Apollo.io's does not.
- It wins on cheapest paid plan for 5 seats (per month), email sender limit, G2 rating.
You ask, we answer
Common questions
Is Apollo.io cheaper than Success.ai?
Yes at entry level: $49 vs $99 per month for one seat.
How much warmup do Apollo.io and Success.ai include?
Apollo.io: not published. Success.ai: yes.
How many email senders can I connect to Apollo.io or Success.ai?
Apollo.io: 15. Success.ai: unlimited.
Do Apollo.io and Success.ai include email verification?
Apollo.io: not published. Success.ai: included.
Do Apollo.io and Success.ai have a built-in CRM?
Apollo.io: included. Success.ai: included.
Which is rated higher on G2, Apollo.io or Success.ai?
Apollo.io: 4.7 (9,694 reviews, 2026-07-25). Success.ai: 4.9 (258 reviews, 2026-01-08).