Choosing between Instantly and Apollo.io for your agency? Both are popular choices. Instantly starts at $37+/mo and is best known as Cold email at scale with deliverability tools. Apollo.io starts at Free / $49+/mo and is B2B lead database plus outbound engagement. Below is a side-by-side breakdown of features, pricing, pros, and cons to help you decide which fits your agency's workflow and budget in 2026.
In
Instantly
Cold email at scale with deliverability tools.
$37+/mo
👍 Pros
- Unlimited email accounts
- Built-in warmup
- Great deliverability
👎 Cons
- Learning curve for setup
- Extra cost for lead data
Ap
Apollo.io
B2B lead database plus outbound engagement.
Free / $49+/mo
👍 Pros
- Huge contact database
- Find + engage in one place
- Good free tier
👎 Cons
- Data accuracy varies
- Sending limits on lower tiers