Side by side
Inbox Monster vs Mailgun
Both stand on email testing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid Web
Inbox Monster brings creative previews, deliverability diagnostics, reputation monitoring, and SMS testing into one web service. Review the annual commitment and suite pricing before choosing the capabilities you need.
Visit Inbox Monster
Free plan Web
Mailgun offers API and SMTP email sending alongside inbound routing and monitoring features. Compare the listed plan limits and capabilities with your sending requirements; plan prices are not included.
Visit MailgunThe facts
| Inbox Monster | Mailgun | |
|---|---|---|
| Free plan | No | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | Essential (Creative suite): $3,750 a year | Free or on request |
| Plans published | 5 | 4 |
| Maker | Not published | Not published |
| Website | inboxmonster.com | mailgun.com |
| On email testing software | #25 of 28 | #21 of 28 |
Inbox Monster: what it does well
- Previews more than 120 email clients
- Includes accessibility and link checks
- Monitors reputation, spamtraps, and blocklists
- Supports email, Slack, and PagerDuty alerts
- Offers SMS previews for iOS and Android
What to know first
- No free plan
- Annual advance billing with automatic renewal
- Starting plan costs $3,750 a year
- Web platform only is listed
Mailgun: what it does well
- Free plan allows 100 emails per day.
- Basic includes 10,000 monthly emails without a daily limit.
- Foundation includes full access to inbound routing.
- Scale includes dedicated IP pools and SAML SSO.
- A 30-day trial is listed.
What to know first
- The Free plan is limited to 100 emails per day.
- Basic, Foundation, and Scale have monthly email limits.
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