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SimpleNewsletter365 vs Kit (ConvertKit)
Last updated July 1, 2026
Last reviewed July 1, 2026. Verify current Kit plans and prices on Kit’s own site before deciding.
In short
SimpleNewsletter365 is a Microsoft 365-native newsletter tool that sends from your own mailbox and domain, keeps contacts unlimited, and bills on emails sent. Kit (formerly ConvertKit) is a creator-focused email platform priced by subscriber count that sends from its own infrastructure. Choose SimpleNewsletter365 for business newsletters on Microsoft 365; choose Kit to build creator automations around a subscriber list.
At a glance
| SimpleNewsletter365 | Kit (ConvertKit) | |
|---|---|---|
| Sends from | Your own Microsoft 365 mailbox and domain | Kit’s own infrastructure |
| Pricing model | Per email sent, unlimited contacts | Per subscriber, unlimited sends |
| Free plan | 10,000 sends/mo, unlimited contacts | Up to 10,000 subscribers (Kit branding) |
| Scope | Focused newsletter tool for Microsoft 365 | Creator email, automations, commerce |
| Best fit | Microsoft 365 teams | Individual creators |
Pricing
Kit prices by how many subscribers you store; paid Creator plans start around $39 per month for 1,000 subscribers and rise as your list grows, with unlimited sends. Its free Newsletter plan covers up to 10,000 subscribers with Kit branding on emails. SimpleNewsletter365 keeps contacts unlimited and bills on emails sent, so a large list does not raise your bill; Free includes 10,000 sends per month.
Deliverability and scope
Kit sends from its own infrastructure and shines at visual automations, email sequences, and creator commerce. SimpleNewsletter365 sends each newsletter through your own Microsoft 365 mailbox over Microsoft Graph, from your real address and domain, and focuses on newsletters within Microsoft 365, including team roles and shared-mailbox sending.
Who each is best for
SimpleNewsletter365 suits Microsoft 365 teams that want newsletters sent from their own mailbox and domain, with pricing that does not scale with list size.
Kit suits individual creators who build automations and sequences around a subscriber list and want creator-focused tooling.
Switching
Export your subscribers from Kit as a CSV and import them into SimpleNewsletter365, where contacts are unlimited. Connect your Microsoft 365 mailbox and rebuild your recurring newsletters. Kit’s visual automations and creator commerce features do not carry over, since SimpleNewsletter365 focuses on newsletters.
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Frequently asked questions
How is SimpleNewsletter365 different from Kit (ConvertKit)?
Kit prices by subscriber count and is built for creators, sending from its own infrastructure. SimpleNewsletter365 keeps contacts unlimited, bills on emails sent, and sends from your own Microsoft 365 mailbox and domain, which suits business and team newsletters on Microsoft 365.
Is Kit or SimpleNewsletter365 better for a business newsletter?
For a business or team on Microsoft 365 that wants to send from its own domain with predictable, list-size-independent pricing, SimpleNewsletter365 fits better. Kit is strongest for individual creators building automations and sequences around a subscriber list.
Does Kit charge by subscribers?
Yes. Kit's paid Creator plans are priced by subscriber count, so your bill rises as your list grows. SimpleNewsletter365 keeps contacts unlimited and bills on emails sent instead.