# Kit (formerly ConvertKit)

> The email marketing platform built for creators, with powerful automation, landing pages, subscriber tagging, and built-in digital product sales — used by a large share of professional indie authors.

Source: https://selfpublishingdirectory.com/email-newsletter/kit
Website: https://kit.com
Category: Email & Newsletter (https://selfpublishingdirectory.com/email-newsletter)
Pricing: freemium — $0–$139/monthly
AI-powered: no
Editor's pick: yes
Tags: creator-focused, automation, landing-pages, tagging, digital-products, popular, sequences, rss-to-email
Last verified: 2026-05-06
Automation Level: advanced-automation
Best For: Intermediate authors with 1K–10K subscribers who sell digital products and use BookFunnel or StoryOrigin
Free Tier Limit: 10,000 subscribers
Free Tier Subscribers: 10000
Platform Type: esp-platform

Kit (formerly ConvertKit) is one of the most widely used email platforms among indie authors and online creators. Originally launched as ConvertKit in 2013 by Nathan Barry, the platform rebranded to Kit in October 2024. Its design philosophy centers on simplicity for creators: subscriber tagging instead of traditional lists, a visual automation builder for mapping reader journeys, and built-in digital product sales — all accessible on the free plan up to 10,000 subscribers.

## Pricing

Kit offers three tiers. Pricing scales with subscriber count.

**Newsletter (Free)**
- Up to 10,000 subscribers with unlimited email broadcasts
- 1 basic visual automation, unlimited landing pages and forms
- Subscriber tagging and segmentation
- Digital product and subscription sales (3.5% + $0.30 per transaction)
- Kit branding on emails and forms

**Creator** (recommended for most authors)
- $39/month at 1,000 subscribers (monthly billing); $33/month equivalent on annual billing ($390/year, ~16% off)
- Monthly-billing tiers: $59/month at 3,000 subs; $89/month at 5,000 subs; $139/month at 10,000 subs; $199/month at 25,000 subs
- Adds: unlimited visual automations, unlimited email sequences, A/B subject line testing (2 variants), polls, Kit branding removal, RSS-to-email campaigns, 24/7 support

**Pro**
- $79/month at 1,000 subscribers (monthly billing); $66/month equivalent on annual billing ($790/year, ~16% off)
- Monthly-billing tiers: $99/month at 3,000 subs; $139/month at 5,000 subs; $189/month at 10,000 subs; $279/month at 25,000 subs
- Adds over Creator: unlimited users, engagement scoring, deliverability reporting, collaborative editing, advanced A/B testing (5 variants), Facebook custom audiences, built-in newsletter referral system (powered by SparkLoop), edit links in sent emails, priority support

**Note on September 2025 price hike:** Kit raised prices significantly in September 2025 — its first increase in 12 years. The Creator plan entry point rose from ~$29/month to $39/month (or $33/month on annual billing) for 1,000 subscribers. Some existing customers reported much steeper relative increases depending on their subscriber tier. As a partial offset, Kit expanded the free Newsletter plan from 1,000 to 10,000 subscribers in the same update. The price increase generated community backlash and drove some authors to evaluate MailerLite or beehiiv.

## Free Tier Details

The Newsletter free plan is one of the most generous in the email marketing space: 10,000 subscribers, unlimited sends, landing pages, and forms. Digital product sales are available on the free plan (3.5% + $0.30 transaction fee). The key free-tier limitation is automation: only 1 basic visual automation is allowed. Authors needing multiple automations — welcome sequences, reader magnet funnels, launch sequences — need a paid Creator plan.

## Automation Capabilities

Kit's visual automation builder is widely praised as one of the most intuitive in the category. It uses a flowchart-style drag-and-drop interface to build multi-branch subscriber journeys. Key automation features on the Creator plan:

- Unlimited visual automations with conditional logic and branching
- Unlimited email sequences (drip campaigns)
- Trigger types: form subscribe, purchase, tag applied, link click, date-based
- Rules: lightweight, one-off automations for quick tag-based logic
- RSS-to-email campaigns: automated broadcasts sent when your blog publishes new posts (single post or digest format, schedule-based or automatic)

RSS campaigns are available on Creator and Pro plans, configured under Automations > RSS in the dashboard. Authors can target full list or specific tags/segments and choose to send automatically or create a draft for review.

## AI Features

Kit does not have a native AI writing assistant or content generation tool as of early 2026. The only native AI-adjacent feature is AI-generated subject line suggestions (based on the email body copy). This is notably limited compared to beehiiv's AI Writing Assistant, Smart Editor, image generation, and translation tools.

Kit does integrate with AI writing tools via its App Store (e.g., Lex for content drafts), but these are third-party integrations. The platform's customer support uses an AI agent for instant first responses on Creator and Pro plans, with human follow-up within two hours.

**ai_powered assessment:** false — no meaningful native AI content generation.

## Digital Product Sales

Kit Commerce is available on all plans, including free. Authors can sell:
- Ebooks and digital downloads
- Paid newsletter subscriptions (monthly, annual, or one-time)
- Courses and coaching (limited; not a dedicated course platform)
- Tips/pay-what-you-want pricing

**Transaction fee:** 3.5% + $0.30 per sale (Kit's cut). Standard Stripe processing fees also apply on top. There is no monthly platform fee for Commerce on any plan.

Weekly payouts via Stripe. First payout typically 7–14 days after first sale; subsequent payouts weekly.

This compares favorably to Gumroad (up to 10% fee) but slightly worse than beehiiv (0% platform commission, only Stripe fees).

## Creator Network (Referral/Cross-Promotion)

The Creator Network allows authors to recommend up to 10 other creators via their signup forms and landing pages. When someone subscribes to your list, they see recommendations for other creators you've approved. This is a cross-promotion system rather than a true viral referral loop.

**Paid Recommendations:** The Pro plan unlocks paid cross-promotion via SparkLoop integration. Authors can earn revenue by recommending other creators' newsletters, or pay to be recommended. Kit takes a 20% service fee plus 3.5% transaction fee on paid recommendation earnings.

## Integrations

- **BookFunnel:** Direct native integration (API key setup). BookFunnel delivers reader magnets and automatically adds subscribers to Kit lists/tags. No Zapier required.
- **StoryOrigin:** Direct native integration. StoryOrigin supports Kit for ARC distribution and newsletter swap subscriber management.
- **WordPress:** Native plugin available
- **App Store:** ~30 native integrations (Shopify, Teachable, Patreon, Thrivecart, Zapier, and more)
- Over 100 third-party integrations via Zapier

## Affiliate Link Policy

Kit permits affiliate links in newsletters with restrictions. Authors using affiliate links for book-related products (writing tools, Amazon Associates links for their own books, etc.) are generally fine. Requirements:

- Content must be primarily your own original material (70-80% original content, 20-30% affiliate)
- Affiliate relationships must be clearly disclosed
- Prohibited categories: education loans, online pharmacies, "get rich quick" software
- Purely affiliate-focused newsletters (no original business or content) are not permitted

For fiction/nonfiction authors sharing Amazon or Bookshop.org affiliate links to their books or recommended reads, this policy is not a practical concern.

## Deliverability

EmailToolTester rates Kit's deliverability as "consistently very good" in bi-annual testing. Kit holds FBL (feedback loop) access with major ISPs, which helps maintain sender reputation at scale. Third-party tests vary: some record ~88% inbox placement overall; others report 77-96% depending on testing methodology and mail client.

**Known issue:** Kit does not filter bot clicks from analytics, so click rates may be artificially inflated. This is a known limitation reported by multiple independent reviewers.

## Community Reception

- **Trustpilot:** 3.9/5 from 82 reviews (52% five-star, 27% one-star) — a bimodal distribution common in tools with strong advocates and billing-related critics
- **G2:** Positive sentiment overall; users cite ease of use, automation quality, and creator focus; pricing and template limitations are the main criticisms
- **EmailToolTester rating:** 3.9/5
- **Kindlepreneur (2026):** Ranks Kit second among email platforms for authors (behind MailerLite), citing the generous free tier as a standout but noting it becomes more expensive than MailerLite above 10,000 subscribers

Indie author community reception is broadly positive, particularly among mid-tier to advanced authors who have outgrown simpler tools. The September 2025 price increase generated meaningful frustration among budget-conscious creators.

## Comparison with Competitors

**vs. beehiiv:** beehiiv wins on monetization depth (native ad network, 0% commission), email design quality, and cost at scale. Kit wins on automation depth, free tier size (10k vs 2.5k), third-party integrations (100+ vs Zapier-dependent), and digital product sales on the free plan. EmailToolTester gives Kit a slight overall edge (8-7 in head-to-head scoring).

**vs. MailerLite:** MailerLite is less expensive at every subscriber tier and easier to learn for beginners. Kit has better automation sophistication and a larger free tier. Kindlepreneur currently recommends MailerLite as the best-value option for most authors, especially those prioritizing budget.

**vs. Ghost:** Ghost is a publishing platform first (blog + newsletter unified), not a dedicated email tool. Ghost charges 0% commission on paid subscriptions, but has no free tier and starts at $9/month with limited subscriber counts. Ghost suits authors wanting a combined website + newsletter under one roof; Kit suits authors who want powerful automation and already have a separate website.

## Key Limitations for Indie Authors

- **Free plan: only 1 automation** — insufficient for a robust reader welcome sequence + reader magnet funnel on free tier
- **Price hike (Sept 2025):** Significant cost increase, now among the pricier options in its category above 10k subscribers
- **Limited email templates:** Design options are minimal compared to MailerLite or beehiiv; best for plain-text creator-style emails
- **No AI writing tools** beyond subject line suggestions
- **Bot clicks inflate analytics:** Click-through rate data is unreliable without manual filtering
- **Export limitation:** Only 50 contacts at a time can be exported (Trustpilot complaint)
- **Outlook rendering:** Some users report formatting issues for Outlook-heavy corporate audiences

## Best For

Authors at an intermediate or advanced stage who:
- Have or expect a list of 1,000–10,000 subscribers (free tier is most competitive here)
- Want deep automation for launch sequences, welcome funnels, and reader segmentation
- Sell digital products (ebooks, courses) alongside their newsletter
- Use BookFunnel or StoryOrigin and want seamless native integration
- Prefer simplicity and creator-focused UX over design richness