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Most buyers should pick SMTP2GO.
Pick SMTP2GO if you want an ongoing free tier for up to 1,000 emails a month, or a lower paid entry point: its pricing page lists Starter at $10/month for 10,000 emails. Pick Twilio SendGrid if API and SMTP sending or campaign tools matter more; its pricing page lists Essentials from $19.95/month for 50,000 emails, plus a 60-day trial capped at 100 emails/day. Compare reporting history: 30 days on SMTP2GO Starter versus 3 days on SendGrid Essentials.
01Side by side
| SMTP2GO | Twilio SendGrid | |
|---|---|---|
| Starting price | $10/month paid; free tier available | $19.95/month; 60-day trial |
| Free plan | Yes: 1,000 emails/month, free indefinitely | No ongoing free plan; trial allows 100 emails/day |
| Best for | Small senders needing relay, Outlook, or marketing email | Teams needing email APIs, SMTP, and campaigns |
| Core strength | Monitoring, spam tests, automatic SPF/DKIM | Email API, SMTP, campaign tools, delivery at scale |
| Learning curve | Not published; supports apps, Outlook, and marketing email | Not published; API docs support developer integrations |
| Integrations/reporting | Apps and Outlook; Starter includes 30 days of reporting | API and SMTP; Essentials includes 3 days’ history |
| Team/seat costs | Starter includes subaccount management; seat pricing not published | Essentials lists one additional teammate; seat pricing not published |
| Support | Starter lists ticket, chat, and phone support | Essentials offers personalized support for purchase |
SMTP2GO Choose SMTP2GO if
- Choose SMTP2GO if you need an ongoing free tier.
- Choose SMTP2GO if $10/month Starter fits your sending volume.
- Choose SMTP2GO if you want 30 days of Starter reporting.
Twilio SendGrid Choose Twilio SendGrid if
- Choose Twilio SendGrid if you need email API and SMTP options.
- Choose Twilio SendGrid if campaign tools are part of your stack.
- Choose Twilio SendGrid if its listed volume tiers fit your program.
02Pricing compared
SMTP2GO has the lower entry price: its pricing page lists an ongoing free plan for up to 1,000 emails a month, then Starter at $10/month for 10,000 emails. Annual Starter billing is $100, equivalent to $8.33/month. Professional costs $75/month for 100,000 emails, or $750 annually. Premier pricing is not published.
SendGrid’s free option is a 60-day trial, capped at 100 emails a day. Essentials starts at $19.95/month for 50,000 emails; its 100,000-email tier is $34.95/month. Pro starts at $89.95/month for 100,000 emails with a dedicated IP. SendGrid Premier pricing is custom. These are monthly prices; annual pricing is not published. SMTP2GO gives Starter users 30 days of reporting, versus three days on SendGrid Essentials.
03Features and depth
SMTP2GO is the more delivery-operations-focused option in the published feature list. It handles transactional, general and marketing email, including sending from apps or Outlook. It also lists automatic SPF and DKIM handling, account alerts for issues such as rising bounce rates, and reports for sent mail, bounces, complaints and unsubscribes. Spam-filter testing is available, while the Professional plan lists email testing tools and a dedicated IP.
SendGrid combines an Email API and SMTP service with campaign tools for marketers. Its documentation supports developer integration, and partners can help with integration, deliverability or custom solutions. The homepage says the platform delivers more than 200 billion emails monthly; that is a scale claim, not a guarantee for an individual sender. SendGrid’s plan details distinguish Essentials from Pro: Pro includes one dedicated IP, validations and testing credits. Essentials has no dedicated IPs, according to the pricing details. The sharper fit is SMTP2GO for monitoring and straightforward relay needs; SendGrid for API delivery plus campaigns.
04Ease of use and learning curve
The product information points to different kinds of setup work. SMTP2GO says it handles SPF and DKIM automatically, and its stated use cases include sending from apps, Outlook and marketing messages. Starter also lists ticket, chat and phone support. That may suit teams that want a relay service without managing every email function through an API.
SendGrid offers SMTP sending as well as an Email API, with documentation for developers. That gives teams integration options, but the API route requires working with its docs; the published materials do not publish setup times or a learning-curve comparison. Essentials lists one additional teammate and two event webhooks, while its email history is three days. We would choose based on the sending workflow the team can support, not assume either product is effortless to configure.
Questions people ask
Which is cheaper, SMTP2GO or SendGrid?
At the listed entry points, SMTP2GO is cheaper: it has an ongoing free plan for up to 1,000 emails monthly and Starter at $10/month for 10,000. SendGrid’s Essentials starts at $19.95/month for 50,000 emails. Compare volume and reporting needs, not just the starting price.
Does SendGrid have a free plan?
The published pricing details list a 60-day free trial, not an ongoing free plan. It is capped at 100 emails per day and includes one additional teammate and one event webhook. SMTP2GO lists a free plan for up to 1,000 emails monthly, available for as long as you like.
Which service gives you more email history?
SMTP2GO Starter includes 30 days of email reporting, according to its pricing details. SendGrid Essentials includes three days of email history; SendGrid Pro lists seven days. If reviewing older delivery activity matters, compare the specific plan rather than assuming every tier includes the same history.
Which one should I choose for API email sending?
SendGrid explicitly offers an Email API alongside SMTP service, with API documentation and partner help for integrations. SMTP2GO also supports sending transactional emails from apps, but the published information emphasizes relay, monitoring and email types rather than a named API. Choose based on the integration method your application needs.