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Email Marketing & Newsletter

Kit

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Panel rating · 6 judges · How to read the stars

Category median

Sovereignty: not determined

0–5 in half steps. 5 means the rubric's top anchor is met on the evidence.

by ConvertKit, LLC (d.b.a. Kit) · kit.com

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Kit: AI-assisted analysis on whats-best.ai Kit: AI-assisted analysis on whats-best.ai (dark)

Add ?theme=dark to the image address for dark backgrounds. The badge shows the category and the month of the latest evaluation, and EU-Made where that is the product’s provenance. It never shows a score.

Kit at a glance

Vendor
ConvertKit, LLC (d.b.a. Kit)
Headquarters
Not stated on the vendor’s pages as of 13 Oct 2026
Data hosting
Not stated on the vendor’s pages as of 13 Oct 2026
Free plan
Not stated on the vendor’s pages as of 13 Oct 2026
Panel verdict
The AI panel rates Kit 2/5, the mean of 6 judges. Kit, sold by ConvertKit, LLC, is an email marketing and newsletter tool whose strongest judged areas are integrations and list data control; its weakest are deliverability, consent and proof and sovereignty. how scores are made
As of
Vendor pages captured 13 Oct 2026; evaluated by the panel 15 Oct 2026. all sources

Kit alternatives, European ones first →

Read this page as one judge. Each weighs the same scores by what they care about.

The Shop Owner

Weighted verdict

Runs a shop where the newsletter is a revenue channel. Wants the shop connected properly — orders, carts, products flowing in, abandoned-cart and post-purchase flows out — and revenue attributed per campaign. Judges price against contribution, not against a competitor's tier.

Same scores as the panel view — this lens weights them the way this judge cares.

Scored by The Shop Owner

Panel median The Shop Owner This judge’s scores over the panel median. Each label opens its reasoning below.
Scores per criterion, in stars out of 5
Criterion Panel median The Shop Owner
Campaigns & automation 2.5 of 5 3 of 5
Deliverability infrastructure 1 of 5 1 of 5
Consent, proof & tracking limits 1 of 5 1 of 5
List ownership, import & exit 3 of 5 3 of 5
Integrations & API 3.5 of 5 3 of 5
European sovereignty 0 of 5 0 of 5

Campaigns & automation

How this is scored

Building the mail and the journey around it: editor, templates, segmentation, triggered sequences, A/B testing.

0 — One-off broadcasts from a fixed template; no segmentation and no automation of any kind.

3 — A drag-and-drop editor and simple list segmentation, but automation is a single welcome mail and there is no testing.

5 — Reusable templates, attribute and behaviour segmentation, multi-step automations on common triggers, and subject-line A/B testing.

8 — A visual journey builder with branching on behaviour and data, dynamic content per segment, send-time optimisation, and testing that reports significance rather than raw counts.

10 — Journeys treat the whole lifecycle: event-driven entry from other systems, branching on any attribute or event, holdout groups for measurement, and automations a marketer can read months later without a diagram.

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The Shop Owner

The captured pages show a real automation engine — a Visual Automation builder with pre-built multi-step journeys, node notes, and dynamic content blocks driven by per-subscriber data, plus sequences, segments, broadcast subscriber filters, and filtering by engagement, sign-up date, state and tags. That is well past a welcome mail, but we found no public information on A/B testing or send-time optimisation, and nothing shop-specific like abandoned-cart or post-purchase flows. 1 2 3 5

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Deliverability infrastructure

How this is scored

Whether the mail arrives — authentication, sending reputation, bounce and complaint handling — judged on what the vendor documents rather than the inbox rate it advertises.

0 — No documentation of authentication or bounce handling; deliverability appears only as a marketing number.

3 — SPF and DKIM setup documented, but no DMARC guidance, no stated bounce policy and shared sending only.

5 — SPF, DKIM and DMARC documented with a custom sending domain, automatic hard-bounce suppression, and complaint-loop handling stated.

8 — The above plus dedicated-IP options with a documented warm-up, seed or inbox-placement testing, engagement-based sunsetting, and published guidance on list hygiene.

10 — Deliverability is operated as a service: reputation monitoring surfaced to the customer, per-domain and per-ISP diagnostics, enforced authentication before first send, and postmaster or blocklist handling the vendor documents doing on the customer's behalf.

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The Shop Owner

The only deliverability-relevant evidence is subscriber states for bounced and complained addresses with filters and sort options, which at least gives suppression data to work with. We found no public information on SPF, DKIM or DMARC setup, custom sending domains, or a stated bounce policy — for a revenue channel, that silence is close to the bottom of the scale. 3

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List ownership, import & exit

How this is scored

Whether the list and its history remain the sender's: import with attributes intact, full export including engagement history, deletion that executes, and no metering that prices leaving out of reach.

0 — Export is addresses only; engagement history, segments and automations cannot leave.

3 — CSV import and export of subscriber fields, but engagement history and unsubscribe state are not exportable.

5 — Full subscriber export including custom attributes, subscription status and unsubscribe state, plus API access sufficient to sync elsewhere.

8 — Everything exportable in open formats — subscribers, engagement history, campaigns and templates — with documented deletion of a subscriber across all records, and no export throttling.

10 — Exit is a documented feature: full-fidelity export of the whole account, contractual data return, deletion that is evidenced rather than asserted, and migration tooling in both directions.

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The Shop Owner

The list leaves through a proper door: subscribers export via the API with custom fields, tags, subscription state, unsubscribe timestamps and per-subscriber engagement stats, and bulk create plus webhooks make syncing my order-enriched list elsewhere straightforward. What caps it is exit in the other sense — we found no public information on deleting a subscriber across all records; the documented deletion endpoint covers only a subscriber's pinned location. 2 3 4

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Integrations & API

How this is scored

The connection surface a newsletter lives on: shop and CRM systems, events in and out, webhooks, and an API somebody can build against without a partner agreement.

0 — No API and no named integrations; the list is maintained by CSV upload.

3 — A handful of native integrations and a read-mostly API, with no webhooks and no documented rate limits.

5 — Named integrations for common shop and CRM systems, a documented REST API with keys, and webhooks for the core subscriber events.

8 — Maintained bidirectional integrations with named systems including at least one major shop platform, event webhooks with retries, documented rate limits, and a sandbox.

10 — The tool is a component rather than a destination: transactional and marketing sending on one API, events flowing both directions, versioned API with a deprecation policy, and integrations the vendor maintains rather than lists.

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The Shop Owner

This is the strongest area: a versioned API where the older version's sunset is announced, documented rate limits, OAuth with PKCE and refresh flows, cursor pagination, bulk and async processing, and webhooks with retries and signature verification; purchase data can be imported from e-commerce platforms. But we found no public information naming a shop platform or CRM, so wiring my orders, carts and products in means building and maintaining the bridge myself — and we found no public information on a sandbox. 2 5 6

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European sovereignty

How this is scored

Where subscriber data and behavioural tracking live, who the contracting entity is, and which subprocessors touch the send. Independently sourced by the sovereignty pipeline; scored here as this buyer weighs it — which in this category is heavily.

0 — US vendor and contracting entity, US hosting, subprocessors unnamed; subscriber behaviour leaves the EU with no stated basis.

3 — EU hosting offered as an option or for storage only, while sending, tracking or support access remains non-EU, or the subprocessor list is absent.

5 — EU hosting as standard and an EU contracting entity, but parts of the chain — sending infrastructure, analytics, support tooling — are non-EU without an explained safeguard.

8 — EU or DACH hosting with a named data-centre provider, EU contracting entity, complete subprocessor list published, and any non-EU processing named with its legal basis.

10 — Sovereign end to end and evidenced: vendor, entity, hosting, sending and every subprocessor in the EU, certification published, and no transfer that needs a Schrems II argument to survive.

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The Shop Owner

No sovereignty attributes are on record at all: the vendor named is a US LLC, and we found no public information on hosting location, an EU contracting entity, or any subprocessor list. Per-subscriber behaviour — referrers, campaign attribution, engagement stats — is documented as tracked, and we found no public information on where it is processed or on what legal basis; for a shop whose customer list is the asset, I weigh that silence at the bottom of the scale. 3 5

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Pricing transparency not rated — the vendor publishes no price

How this is scored

Whether a sender can compute the real invoice for their list size and send volume — including overage, extra domains and automation limits — from public pages alone.

0 — No public prices at all; every tier is a sales conversation.

3 — A headline price per contact tier exists, but send limits, overage rates or the tier where automation begins are not stated.

5 — Contact-tier prices public with the billing period stated and send limits given, but at least one commonly needed capability sits in an unpriced tier or add-on.

8 — Every tier priced publicly with contact and volume limits, overage rates, feature boundaries and VAT treatment stated; only genuinely custom volume lacks a number.

10 — Complete price computability: a calculator producing the annual invoice for a given list size and send frequency, including overage, additional domains and dedicated IPs.

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The Shop Owner

None of the captured pages contains a price, a contact tier, or a send limit, so I cannot compute an invoice for my list size and send volume at all. The only pricing-adjacent statement is that API use depends on the account's plan being eligible, and we found no public information on what makes a plan eligible or what any tier costs. 5

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Questions about Kit

Is Kit European?

Not determined: the vendor’s pages as captured do not say where Kit is based.

Where does Kit store data?

Not stated on the vendor’s pages as of 13 Oct 2026.

Does Kit have a free plan?

Not stated on the vendor’s pages as of 13 Oct 2026.

What are the best alternatives to Kit?

As of 21 Oct 2026, the panel rates Brevo (3/5), CleverReach (3/5) and Mailchimp (3/5) highest among the other 27 Email Marketing & Newsletter products evaluated. Ratings that look equal are rounded to half stars; the order uses the unrounded rating, then the name. The highest-rated European alternative is Brevo (EU-Made). Ratings are the AI panel’s opinion, formed from public evidence: how scores are made. The full list, with European products first: Kit alternatives.

Where this could be wrong

What we left out

A claim that does not survive our checks costs us the claim, not the page. This is what was taken off this one.

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Sources (6)

The pages every claim on this page was read from — each one checked, dated, and kept verifiable.

  1. 1 Campaigns & automation — found from sitemap developers.kit.com Checked 13 Oct 2026 Details →
  2. 2 Campaigns & automation — found from sitemap developers.kit.com Checked 13 Oct 2026 Details →
  3. 3 List ownership, import & exit — found from sitemap developers.kit.com Checked 13 Oct 2026 Details →
  4. 4 List ownership, import & exit — found from sitemap developers.kit.com Checked 13 Oct 2026 Details →
  5. 5 Integrations & API — found from sitemap developers.kit.com Checked 13 Oct 2026 Details →
  6. 6 Integrations & API — found from sitemap developers.kit.com Checked 13 Oct 2026 Details →