Comparison

Diigo Browser vs OwnNotes

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Diigo Browser

Save, sync, and annotate web pages and PDFs across devices. Easily share your saved content with highlights and sticky notes. Access your bookmarks anytime, anywhere.

Highlights
  • Save and sync bookmarks
  • Annotate web pages with highlights
  • Add sticky notes to web pages
  • Read saved PDF files
  • Share bookmarks with annotations
  • Cross-device access
Features
Read full description

Diigo Browser allows you to save, annotate and share bookmarks easily! Save and sync You can use Diigo Browser to save web pages to your Diigo account and the bookmarks will sync across your devices so that you can access them anytime, anywhere later. Annotate while reading Diigo Browser allows you to annotate web pages with highlights and sticky notes. The annotate button will pop up in the context menu after you select some text! PDF reading You can read your saved PDF files within the app directly and we will consider supporting PDF annotation in the future! Share easily You can share your bookmarks with annotations to others through email or IM or send it to other apps easily. We will keep working on the improvements of Diigo Browser to make it better and better. Please feel free to contact us at care@diigo.com if you have any questions or suggestions.

About

OwnNotes

Features
Read full description

Your Offline Private AI Notebook Turn your iPhone and iPad into a private AI-powered notebook that helps you capture, organize, summarize, and improve your ideas—completely offline. No cloud. No account. No subscription. Everything runs directly on your device, so your notes stay private while you enjoy fast, intelligent AI assistance anywhere, even without an internet connection. Whether you're taking meeting notes, studying, journaling, brainstorming, writing, or organizing research, your AI assistant is always available. Key Features • 100% Offline AI – All AI processing happens on your device. No cloud processing or internet required. • Live Voice-to-Text – Capture ideas naturally with fast and accurate speech transcription. • AI Summaries – Turn long notes into concise summaries and actionable takeaways. • Rewrite with AI – Improve grammar, clarity, tone, and structure with a single tap. • Simplify Complex Information – Convert difficult topics into easy-to-understand explanations. • Brainstorm Ideas – Generate outlines, titles, creative ideas, and writing suggestions from your notes. • Biometric Lock – Protect your notes with Face ID or Touch ID for an extra layer of privacy. • Easy Sharing – Instantly share your notes and AI-generated content with Mail, Apple Notes, Reminders, Messages, and your favorite apps. • Private by Design – Your notes never leave your device. • Works Anywhere – Perfect for flights, travel, classrooms, meetings, or anywhere without internet access. Perfect For • Students • Professionals • Writers • Researchers • Journalers • Content Creators • Anyone who values privacy and offline AI. Why Choose Offline AI? Most AI note-taking apps rely on cloud services that upload your notes to remote servers and require an internet connection. This app is different. Everything runs locally on your iPhone or iPad, keeping your ideas private while delivering fast AI assistance wherever you are. Free to use with ads. Upgrade once with a one-time purchase to remove ads forever. No recurring subscription. Think Freely. Stay Private. No cloud. No internet. Just intelligent AI that keeps your ideas where they belong—on your device.

Screenshots

Diigo Browser4 screens
OwnNotes4 screens

Verdict

The call

The clearest difference is in-app purchases: Diigo Browser at none against OwnNotes's 1. Diigo Browser also leads on ads (none vs shown). OwnNotes's advantage is update cadence (every 3 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OwnNotes sells 1 one-off in-app purchase. Diigo Browser asks for nothing beyond the download.

UpkeepUpdate frequency

Diigo Browser ships an update every 2 weeks, OwnNotes every 3 days. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 7 level
Diigo Browser versus OwnNotes: the parameters behind the verdict, then further details
ParameterDiigo BrowserOwnNotes
PriceFreeFree
Rating4.5 (561 ratings) — better—
Positive reviews58.7% of reviews—
Number of ratings561 — better—
Update frequencyEvery 2 weeksEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.6
Further details — not scored
Size172 MB12 MB
Age rating17+4+
DeveloperDiigo Inc.Rajeev Kadaplackal Rajappan Pillai

Bugs and requests

Diigo Browser

Reported bugs

4 issues
  • Login and sign-up issues
  • Sync problems across devices
  • Annotation and highlighting bugs
  • Crashes and performance issues

Requested features

4 requests
  • Improved search and filtering
  • Offline reading and caching
  • Customizable organization and folders
  • Better integration with other apps

OwnNotes

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Diigo Browser

No in-app purchases

1 purchases

OwnNotes

One-time1
  • OwnNotes - Remove Ad$4.99

Questions

Is Diigo Browser free?
Diigo Browser is free to download, with no in-app purchases.
Is OwnNotes free?
OwnNotes is free to download, with in-app purchases available.
Do Diigo Browser or OwnNotes have ads?
OwnNotes shows ads; Diigo Browser does not.
Which is updated more often, Diigo Browser or OwnNotes?
Diigo Browser ships an update every 2 weeks, and OwnNotes every 3 days. Most recently, Diigo Browser was updated on October 11, 2026 and OwnNotes on October 9, 2026.

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