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SPECIFICTION
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Notesium vs Reflect

Notesium

notesium.com

Reflect

reflect.app

Side by side

FigureNotesiumReflect
Price fromFree$8.25/mo
Free planYesYes
Free trial——
Open sourceYes—
WebYesYes
WindowsYes—
macOSYesYes
LinuxYes—
iOS—Yes
APIYes—
Plans published14
Spec score · Personal Knowledge Management Software8.7 (#7)8.5 (#11)
IntegrationsNotesium provides a Vim/Neovim plugin that uses its CLI for note finding and preview.Zapier,Readwise,Google Calendar,Outlook,Kindle,Chrome,Safari
PlatformsThe maker says Notesium runs locally on Linux, macOS, and Windows.The maker provides downloads for macOS Apple Silicon and Intel, an iPhone and iPad app, and a Chrome extension.

Plans

Notesium

  • FreeFree

Notesium pricing →

Reflect

  • Reflect$10 a month
  • Reflect OpenFree
  • Reflect Pro Monthly$9.99 a month
  • Reflect Pro Yearly$99 a year

Reflect pricing →

In their own words

Notesium

Notesium has no write-up on Specifiction yet; its figures are above.

Visit notesium.com

Reflect

Reflect is a note-taking app for daily notes, linked thinking, and private AI using files you control. Reflect Open stores notes as plain Markdown in a folder you choose and maintains a rebuildable local SQLite index. Daily notes, wiki links, backlinks, and full-text search organize the collection, while optional semantic search runs on-device. Optional AI chat uses your own API key, and private notes are blocked from external AI calls. Audio memos can be transcribed through a provider key. Sync works through iCloud Drive or Git with files you own, and a Chrome extension clips web content into notes. Reflect says the app is open source; its App Store listing says there is no account, telemetry, or Reflect-hosted cloud service. It is available on web, macOS, iOS, and as a Chrome extension, with note sharing and integrations including Zapier, Readwise, Google Calendar, Outlook, Kindle, Chrome, and Safari. The annual Reflect plan starts at $10/user/mo; Reflect Open is a free download with in-app purchases available.

Visit reflect.app