Which is cheaper, Customer.io or SMTP2GO?

SMTP2GO is 10.0x cheaper than Customer.io. Customer.io starts at $100/mo, SMTP2GO starts at $0/mo.

Does Customer.io have a free tier?

No, Customer.io does not have a free tier.

Customer.io has significant switching cost. SMTP2GO has drop-in switching cost. SMTP2GO is easier to switch away from.

Customer.io

Automated messaging platform for targeted emails, push notifications, SMS, and in-app messages based on user behavior

Switching Cost: significant

SMTP2GO

← More affordable

SMTP relay service with email delivery, reporting, and dedicated IP options

Switching Cost: drop-in

Budget-wise, SMTP2GO is clearly more affordable at roughly a 10.0x price difference.

The free tier advantage goes to SMTP2GO, which offers a no-cost entry point that Customer.io lacks.

Cost modeling varies: tiered drives Customer.io pricing, while SMTP2GO uses flat-rate.

If budget is your primary constraint, SMTP2GO is the clear winner with its more wallet-friendly pricing structure.

If budget is your primary constraint, SMTP2GO is the clear winner with its more wallet-friendly pricing structure.

Price Difference

10.0x

SMTP2GO is cheaper by $90/mo

Free Tier

SMTP2GO

Has a free tier option

Pricing Model

Different

Tools charge using different pricing philosophies

Switching Costs

SMTP2GO

Lower switching costs for easier migration