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Heptabase vs Kosmik: Which AI Note-Taking Is Better in 2026?

Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.

Rating
,
Reviews
0
From
$8/mo

in AI Note-Taking

Leads 2/9
Rating
,
Reviews
0
From
Free

in AI Note-Taking

The Short Answer

Heptabase vs Kosmik, in 15 seconds

Choose Heptabase if…

  • You prefer Heptabase's approach and ecosystem

Choose Kosmik if…

  • You want the lower entry price
  • You need a genuinely free plan

Head-to-Head Scorecard

How Heptabase and Kosmik score

Kosmik leads on 2 of 9 measured dimensions.

  • Customer Rating

    Average score from verified user reviews

    Even
    Heptabase
    No reviews
    Kosmik
    No reviews
  • Review Volume

    Number of verified reviews, a proxy for adoption

    Even
    Heptabase
    0
    Kosmik
    0
  • Entry Pricing

    Lowest published starting price (free plan = lowest)

    Kosmik
    Heptabase
    $8/mo
    Kosmik
    Free
  • Free Access

    Availability of a free plan and/or free trial

    Kosmik
    Heptabase
    Free trial
    Kosmik
    Free plan + trial
  • Integrations

    Number of listed third-party integrations

    Even
    Heptabase
    6
    Kosmik
    6
  • Features

    Number of listed product capabilities

    Even
    Heptabase
    6
    Kosmik
    6
  • AI Features

    Capabilities mentioning AI, automation or ML

    Even
    Heptabase
    2
    Kosmik
    2
  • Security & Compliance

    Number of listed compliance certifications

    Even
    Heptabase
    1
    Kosmik
    1
  • Platforms & Deployment

    Supported platforms and deployment options

    Even
    Heptabase
    4
    Kosmik
    4

Feature Comparison

Heptabase vs Kosmik feature breakdown

Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.

Heptabase
Kosmik
Overview
User rating
,
,
Pricing model
Per Month (Flat)
Subscription
Starting price
$8/mo
Free
Free version
Free trial
Features
Key capabilities
Infinite whiteboardsCard-based notesPDF and video annotationAI chat over notesCross-device syncAI search over notes
Infinite canvasAI auto-taggingBuilt-in browserPDF and image collectionCross-device syncAI search over notes
AI features
AI chat over notesAI search over notes
AI auto-taggingAI search over notes
Integrations & API
Integrations
Google DriveNotionReadwiseZapieriOSChrome
iOSAndroidChromeNotionReadwiseGoogle Drive
Public API
Platforms
Deployment
CloudSaaS
CloudSaaS
Platforms
WebAPI
WebAPI
Mobile support
Security & Compliance
Compliance
GDPR
GDPR
Vendor
Company
,
,
Verified
Founded
2021
2021
Headquarters
Taipei, Taiwan
,

Pricing Comparison

Heptabase vs Kosmik pricing

Entry pricing, plan tiers and the cost factors that shape total cost of ownership.

Heptabase

$8/mo to start
ProCustom
  • Higher usage limits
  • Card-based notes
  • Integrations
  • Infinite whiteboards
EnterpriseCustom
  • Dedicated support
  • AI chat over notes
  • PDF and video annotation
  • Everything in Pro

Kosmik

Free to start
FreeFree
  • Infinite canvas
  • Community support
  • Limited monthly usage
ProCustom
  • Higher usage limits
  • Infinite canvas
  • AI auto-tagging
  • Integrations
EnterpriseCustom
  • Everything in Pro
  • Built-in browser
  • Dedicated support
  • SSO and admin controls

Total cost of ownership factors

Free planHeptabase Kosmik
Free trial to evaluateHeptabase Kosmik
Transparent published pricingHeptabase Kosmik
Public API (build vs. buy add-ons)Heptabase Kosmik

Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.

Pros & Cons

Heptabase vs Kosmik: strengths and trade-offs

Heptabase

Pros

  • Free trial offered
  • Compliance: GDPR
  • Public API available

Cons

  • No free plan

Kosmik

Pros

  • Free plan available
  • Free trial offered
  • Compliance: GDPR
  • Public API available

Cons

    Buyer Fit

    Who should use Heptabase vs Kosmik?

    Startups

    Kosmik

    Kosmik keeps early-stage costs lowest with its entry tier.

    Small businesses

    Kosmik

    Kosmik offers the most accessible pricing for lean teams.

    Agencies

    Either

    Either connects to more tools for multi-client workflows.

    Enterprises

    Either

    Either leads on compliance and breadth for complex needs.

    Ecommerce

    Either

    Either integrates with more of the commerce stack.

    SaaS companies

    Either

    Either is the more developer- and automation-friendly choice.

    Integration overlap

    Shared integrations (5)

    Google DriveNotionReadwiseiOSChrome

    Only in Heptabase (1)

    Zapier

    Only in Kosmik (1)

    Android

    Keep Exploring

    Other alternatives worth considering

    Similar ai note-taking products buyers compare alongside Heptabase and Kosmik.

    Ask SIA which solution fits your business

    SIA, Saaskart's AI buying assistant, weighs Heptabase and Kosmik against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.

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    Heptabase vs Kosmik, Frequently Asked Questions

    What is the difference between Heptabase and Kosmik?

    Heptabase and Kosmik are both AI Note-Taking solutions. Heptabase is rated 0.0/5 by 0 users, while Kosmik is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.

    Which is better, Heptabase or Kosmik?

    Based on user ratings, Heptabase scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.

    Which is cheaper, Heptabase or Kosmik?

    Kosmik is the more affordable option with a free plan available.

    Does Heptabase or Kosmik have a free plan?

    Kosmik offers a free plan. Heptabase does not have a free tier but does offer a free trial.

    Can I switch from Heptabase to Kosmik?

    Switching between Heptabase and Kosmik is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.

    Who should use Heptabase vs Kosmik?

    Heptabase is best suited for teams that prioritise enterprise features. Kosmik works well for teams looking to start free and scale.

    Our Verdict

    The bottom line on Heptabase vs Kosmik

    Best Overall

    Either

    It's a tie balances user satisfaction and proven adoption.

    Best for Startups

    Kosmik

    Kosmik has the friendliest entry point for new teams.

    Best for Enterprise

    Either

    It's a tie leads on compliance and feature breadth.

    Best Value

    Kosmik

    Kosmik delivers the lowest cost to get started.

    Best AI Features

    Either

    Comparable AI capabilities on both sides.

    Highest Rated

    Either

    Both earn equal user ratings.

    Ready to decide between Heptabase and Kosmik?

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