Products

Harken

Never forget what you learn again.

harkenapp.com Chrome Web StoreEducation / Study Tools

AI Benchmark
Desktop
Mobile
Monthly visits
<5K
Sep 2026
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
Unknown
No monthly subscription pricing
Creators
Matt Lim
@niftypixelsio· 6,573 followers+1 more creators
Launched
13y ago
2013-05-19 · Est.

Traffic

Monthly visitsData through Sep 2026 · Oct 2026 pending

Marketing moves

Launches, search & content, referrals, promotions
  • Launched on Product HuntLaunch

    Remember every article you read online, forever

    Jun 4, 2023 · 3y agoLaunch page

  • Launched on Product HuntLaunch

    Spaced repetition flashcard app that makes remembering easy

    May 9, 2021 · 5y agoLaunch page

  • Launched on Show HN (2 pts)Launch

    My new App, Harken For iPhone

    May 19, 2013 · 13y agoLaunch page

Store data

Chrome Web Store
Chrome Web Store Chrome Web Store
Update date not synced
Rating
Rating not syncedRating count not synced
New ratings last mo
—
Price & IAP
FreeIAP data not synced
Current version
—Store metadata

Store assets, rating histograms, install tiers, and screenshots are synced from Apple App Store, Google Play, and Chrome Web Store.

Traffic sources

Sep 2026

Traffic breakdown

Channels

  • Direct36%
  • Organic Search35%
  • Referrals9%
  • Social8%
  • Other13%

Countries

  • Vietnam68%
  • Brazil32%

Search

Domain authority —Domain registered 2021-02-28

KeywordMonthly volume
harken12.3K
harken research120

Traffic data: Vaneform

Pricing

Pricing page not identified yet, or no public pricing listed.

Pages & changes

Tracked since 2021-05-09

Key pages

Weekly snapshots

Changes

No pricing, plan, or positioning changes detected since tracking started.

Questions & evidence

How much website traffic does Harken get?
Vaneform estimates <5K website visits in 2026-09. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
What is Harken and what platforms does it support?
Harken is catalogued under Study Tools: Never forget what you learn again.. Supported platforms: Browser Extension.

Related products in this category

Education / Study Tools

These products share a catalog category. Compare customer tasks, features and deployment requirements before treating them as alternatives.