Inxmail vs Substack
Inxmail
inxmail.de
Substack
substack.comSide by side
| Figure | Inxmail | Substack |
|---|---|---|
| Price from | €70/mo | Free |
| Free plan | — | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Plans published | 2 | 4 |
| Spec score · Email marketing tools | 8.4 (#53) | 9.2 (#8) |
| Spec score · Email Marketing Software | 8.3 (#62) | 8.6 (#41) |
| Email automation | Yes | Yes |
| Free plan | No | Yes |
| Integrations | The integrations directory lists connections including Salesforce Sales Cloud, Shopify, Microsoft Dynamics CRM, Make and Zapier. | Official integrations include RSS, podcast distribution to Apple and Spotify, Google Analytics 4, Google Tag Manager, X and Facebook pixels, Google site verification, YouTube and LinkedIn account connections. |
| Purpose | Inxmail supports newsletters, data-driven email campaigns, transactional emails and automated trigger emails. | Substack is a publishing platform for writers, creators, and subscribers. |
| Audience segmentation | Yes | Yes |
| Support | The platform offer includes two hours of monthly user support and Mail Relay includes one hour; the company also describes personal onboarding and ongoing assistance. | Substack directs users to its Help Center for FAQs and walkthroughs and handles subscriber support questions on behalf of writers. |
Plans
Substack
- Free publishingFree
- Free to startFree
- Custom domain$50, paid once
- Paid subscriptionsPrice not published
In their own words
Substack
Substack is a publishing platform for writers, creators, and subscribers, bringing posts, newsletters, podcasts, video, live streams, and pages into one publishing flow. Its editor supports scheduling, autosaved drafts, version history, templates, SEO metadata, and headline A/B testing. Creators can offer free or paid posts, subscriptions, trials, gifts, and group plans. Discovery tools include recommendations, Notes, leaderboards, referrals, and search; audience segmentation and email automation are also available. Podcast episodes can be distributed automatically to Apple Podcasts and Spotify, while video can go automatically to YouTube and LinkedIn. Publishing is free. When creators enable paid subscriptions, Substack keeps 10% of subscription revenue, and Stripe charges payment processing fees. Creators own their intellectual property and mailing list and can export their data. Substack serves writers, journalists, podcasters, video creators, experts, educators, and media companies. It is available on the web, Android, and iOS. Substack directs users to its Help Center and handles subscriber support questions on behalf of writers.