Software · head to head
Mailgun vs Substack
The short version
- Only Substack has a free tier, so it costs nothing to try first.
- Each has a real cost: Mailgun free plan caps at 100 emails per day; Substack substack takes a 10% cut of subscription revenue (writers keep 90%), plus separate credit card processing fees
Where they differ
Only the attributes on which Mailgun and Substack actually diverge.
Identical on both: user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Mailgun
Nothing recorded that Substack does not also cover.
Only in Substack
- Newsletter publishing
- Subscriber management
- Paid subscriptions
- Email analytics
- Post scheduling
- Archive creation
- Free/paid tier split
- Comments & discussion
What people use each for
The jobs each tool is most often brought in to do.
Mailgun
No use cases recorded yet. See the Mailgun review.
Substack
- Newsletter distributionnot Mailgun
- Reader monetizationnot Mailgun
- Community buildingnot Mailgun
- Subscriber managementnot Mailgun
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Mailgun
- Free plan caps at 100 emails per day
- Basic plan starts at $15/mo for 10,000 emails then overages from $1.80 per 1,000; Foundation and Scale plans discount overage rates but still meter every email beyond the included volume
- Foundation ($35/mo) and Scale ($90/mo) plans are free for the first month only, then bill at full price
Substack
- Substack takes a 10% cut of subscription revenue (writers keep 90%), plus separate credit card processing fees
Pricing, plan by plan
Mailgun
On requestNo published plan breakdown. See the Mailgun review.
Substack
Free- FreeFree
- Unlimited newsletters
- Basic design
- Archive access
- Pro$12/month
- Custom domain
- Advanced analytics
- Member chat
Which should you pick?
Choose Mailgun if
Nothing in the data separates Mailgun from Substack on the points above - pick on price and on how each one feels to use.
Choose Substack if
- You need newsletter publishing.
- You want to start without paying.
- You work on Web, Mobile.
- You also want subscriber management.
Questions people ask
- Is Mailgun or Substack better?
- Neither clearly leads. Mailgun starts at On request and Substack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Mailgun or Substack?
- Substack has a free tier; the other does not. Paid plans start at On request for Mailgun and Free for Substack.
- Does Mailgun or Substack run on more platforms?
- Mailgun runs on Web. Substack runs on Web, Mobile.
- Can I use Substack for free?
- Yes. Substack has a free tier, so you can try it without paying. Mailgun starts at On request.
- What can Mailgun do that Substack cannot?
- Substack covers Newsletter publishing, Subscriber management, Paid subscriptions, Email analytics.
Related pages
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