Comparison

Obsidian vs Any2K

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

Head to head
About

Obsidian

Organize your thoughts and ideas with a powerful knowledge base that stores your notes as plain text Markdown files. Access your personal second brain on any device, with extensive customization options and community-driven plugins.

Highlights
  • Local Markdown file storage
  • Customizable toolbar
  • Graph view
  • Community plugins
  • Themes
  • Sidebar pinning
  • iCloud vaults
Features
Read full description

Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files. It is a second brain, for you, forever. Now available on the go for iOS! Features include: - Customizable toolbar - Pull down quick actions - Graph view - Community plugins - Themes - Sidebar pinning for tablet - iCloud vaults

About

Any2K

Save articles, newsletters, and RSS feeds from the web to a personal content library. Deliver curated content to your Kindle or smartphone for offline reading at your own pace. Create personalized magazines with filtered and tagged content.

Highlights
  • Save articles from anywhere
  • Deliver content to Kindle
  • Create personalized content magazines
  • Keep permanent copies of articles
  • Share content via app or email
Features
Read full description

Any2K is the private library for everything you read. Save articles, newsletters, RSS feeds, and files in one place, keep permanent copies, and read them later on mobile or web. When Kindle is the better reading experience, Any2K gives you unmatched delivery tools to send exactly what you want, when you want it. BUILD YOUR LIBRARY - Save from share sheets, browsers, email, and the web - Subscribe to newsletters with your Any2K email or forward issues into your library - Follow RSS feeds and auto-save the stories that match your interests - Upload supported files and keep them beside your saved reading - Import your backlog from Instapaper, Raindrop, and more - Keep permanent copies so your reading survives broken links and disappearing pages READ ANYWHERE - Read in a clean, distraction-free view on mobile and web - Download content for offline reading - Highlight passages, add notes and tags, and review them later - Import your Kindle highlights into the same place - Use AI to summarize articles, answer questions, or listen with text to speech DELIVER TO KINDLE - Send one-time batches or build daily, weekly, and auto-sync deliveries - Filter by tags, sources, timing, and more - Send articles, newsletters, RSS matches, and supported files - Fine-tune covers, formatting, and delivery options for your workflow Any2K helps you save, read, and keep more, with Kindle delivery when you want it. Terms of Service: https://any2k.com/legal/terms Privacy Policy: https://any2k.com/legal/privacy Licensed Application End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Note: Kindle® is a registered trademark of Amazon.com, Inc. Any2K and Automata Solutions, Inc. are not affiliated with Kindle or Amazon.com, Inc.

Screenshots

Obsidian4 screens
Any2K4 screens

Verdict

The call

The clearest difference is in-app purchases: Obsidian at none against Any2K's 4. Obsidian also leads on chart position (#111 vs unranked). Any2K's advantage is review sentiment (80% vs 62%). On price, update cadence, ads and device support 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. Any2K sells 4 in-app purchases, starting at $6.99 per month. Obsidian asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 7 level
Obsidian versus Any2K: the parameters behind the verdict, then further details
ParameterObsidianAny2K
PriceFreeFree
Rating4.5 (2.8K ratings) — better—
Positive reviews62.0% of reviews80.0% of reviews — better
Number of ratings2.8K — better—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
Best chart rank#111 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size39 MB67 MB
Age rating4+4+
DeveloperDynalist Inc.Automata Solutions Inc.

Customer experience

Obsidian

All ratings2,803 ratings
Positive85.4%
Neutral4.0%
Negative10.6%
Written reviews1,353 reviews
Positive62.0%
Neutral12.0%
Negative26.0%

Any2K

Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Bugs and requests

Obsidian

Reported bugs

3 issues
  • Sync issues leading to data loss
  • Freezing and crashing on mobile devices
  • Editing bugs and text input issues

Requested features

5 requests
  • Improved sorting and organization options
  • WYSIWYG editing on mobile
  • Better integration with other cloud storage services
  • More intuitive onboarding process for new users
  • Native mobile widgets and share sheet integration

Any2K

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Obsidian

No in-app purchases

4 purchases

Any2K

Subscriptions4
  • Premium Monthly$6.991 Month
  • Platinum Monthly$8.991 Month
  • Premium Annual$59.991 Year
Show 1 more
  • Platinum Annual$89.991 Year

Questions

Is Obsidian free?
Obsidian is free to download, with no in-app purchases.
Is Any2K free?
Any2K is free to download, with in-app purchases available.
Do Obsidian or Any2K have ads?
Neither Obsidian nor Any2K shows ads.
Which is updated more often, Obsidian or Any2K?
Obsidian ships an update every 3 weeks, and Any2K every 3 weeks. Most recently, Obsidian was updated on November 3, 2026 and Any2K on October 24, 2026.

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