Knowledge Notes vs OV Notes
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Knowledge Notes
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Knowledge is a local-first personal knowledge base for capturing, organizing, and revisiting ideas over time. Write Markdown notes, organize them with folders, tags, favorites, and archives, connect related notes with [[wiki links]], search titles, content, and tags locally, and import web links, text, or files from the iOS share sheet. This version focuses on an offline-friendly, stable note-taking workflow. It does not require an account and does not rely on a custom server.
OV Notes
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A calm, minimal place to write in plain Markdown, plan your days, and let a private AI Copilot do the busywork on the notes you already wrote. OV Notes keeps everything simple and yours. No account, no sign-up, no ads. Just open it and write, on your iPhone, iPad, and Mac. Write in Markdown ⢠Plain Markdown that stays simple, readable files you actually own ⢠A clean, focused editor that stays out of your way ⢠Light and Dark themes that follow your system automatically Calendar and to-dos ⢠A monthly calendar greets you on the home screen ⢠Add to-dos to any date and check them off ⢠See today's tasks at a glance AI Copilot for your own notes ⢠Summarize a long note in seconds ⢠Draft a meeting-note outline to start from ⢠Organize today's to-dos so nothing slips ⢠Ask "what's on my schedule this week?" and get a clear answer ⢠It only ever works on your own notes, never anyone else's Stay organized ⢠Folders and a nested file-tree vault keep everything in its place ⢠An "All notes" list puts every note one tap away, even as it grows Widgets that keep up ⢠Home-screen and Lock-screen widgets show your to-dos without opening the app Sync across your devices ⢠iCloud sync keeps notes current on iPhone, iPad, and the OV Mac app ⢠It uses your own iCloud, so your notes stay private to you Private by design ⢠Local-first: your notes live on your device and in your own iCloud ⢠No account or sign-up needed ⢠No ads, no tracking, and nothing collected by us Free to use, and fully bilingual in Korean and English. Write a little, plan a little, and keep it all in one quiet place that's truly yours.
Screenshots
Verdict
The clearest difference is device support: OV Notes at 3 against Knowledge Notes's 1. OV Notes also leads on iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Knowledge Notes | OV Notes |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod ā better |
| Requires iOS | 16.0 | 13.0 ā better |
| Further details ā not scored | ||
| Size | 4 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Geeker Technology (Sanhe) Co., Ltd. | HAKYUNG CHOI |
In-app purchases
Knowledge Notes
No in-app purchases
OV Notes
No in-app purchases









