Comparison

Notesnook vs adoc Studio

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

Head to head
About

Notesnook

This open-source app offers secure, encrypted note-taking and organization across all your devices. It features a robust editor, to-do lists, and a private journal with advanced security to protect your personal information.

Highlights
  • Military-grade encryption
  • Cross-platform synchronization
  • To-do lists and task management
  • Private journal with media support
  • Rich text and Markdown editor
  • Notebook organization
  • App lock with fingerprint support
Features
Read full description

Your notes are yours. Notesnook encrypts every one of them on your device before it ever reaches the cloud — so no one can read them. Not advertisers, not us. UNLIMITED NOTES. EVERY DEVICE. FREE. Most note apps cap the free plan until it hurts. Others stop after a few dozen notes. Notesnook never limits how much you write or how many devices you sync. A REAL EDITOR Headings, tables, code blocks, maths, outlines, Markdown and full-quality images. Notes that hold up whether you are writing a shopping list or a thesis chapter. ORGANISED AT ANY SIZE Nested notebooks, tags, colours, pinned and favourite notes, and search that stays instant at 10,000 notes. Link notes to each other and build your own private wiki. PRIVACY YOU CAN CHECK YOURSELF • End-to-end encryption is always on — you cannot switch it off, so you cannot forget • Encrypted on your device, in transit and at rest, using XChaCha20-Poly1305 and Argon2 • Even your notebook and tag names are encrypted • 100% open source under AGPLv3 — read every line, or run your own sync server • Recommended by Privacy Guides IMPORT YOUR OLD NOTES Bring your notes, notebooks and tags with you. Import from your previous notes app, plus plain Markdown and HTML files. EVERYWHERE YOU WRITE iPhone, iPad, Mac and the web. Sync is instant, and encrypted the whole way. ALSO INSIDE • Web clipper — save any article, ad-free and offline • Reminders across all your devices • Note version history, so nothing is ever really lost • Publish a note to a shareable link • Dark mode and custom themes FREE FOREVER Unlimited notes, unlimited devices, 50 notebooks, 50 tags and full end-to-end encryption. No ads. No trial countdown. PAID PLANS Add task lists, callouts, recurring reminders, more storage, and — on Pro — app lock, an encrypted vault and full-quality images. From $19.99 a year. Questions or feedback: support@streetwriters.co Privacy policy: https://notesnook.com/privacy Terms: https://notesnook.com/terms

About

adoc Studio

Create structured technical documentation with an integrated writing environment. Manage text, media, and components within projects, with a live preview for HTML and PDF exports. Adapt documents for different audiences and automate recurring exports.

Highlights
  • Integrated AsciiDoc writing environment
  • Project management for text and media
  • Live HTML/PDF preview
  • Sidebar navigation and problem navigator
  • Adapt documents with attributes and conditions
  • Automated recurring exports
  • Cross-device functionality (Mac, iPad, iPhone)
Features
Read full description

ADOC STUDIO – DOCUMENTATION DONE RIGHT AsciiDoc at its finest. The text-based editorial system for Mac, iPad, and iPhone. COMMUNITY EDITION • Use the core features of adoc Studio for free. • Upgrade to Pro when you need more. INTUITIVE STRUCTURE • Manage text, media, and other components of your technical documentation in an adoc Studio project. • Use document includes to organize extensive content into chapters. • Navigate even the most complex documentation with the project sidebar. • Track down issues with the Problem Navigator. WRITE • Write your text in the editor on the left. • With the side-by-side preview, see instantly how it will look in HTML or PDF. • Easily insert images, tables, cross-references, formulas, admonitions, and attributes. • With the built-in adoc Coach, all the powerful features of AsciiDoc are just one ESC keystroke away. SHARE • Use attributes and conditional content to automatically tailor your documents for different audiences. • Like a modular system, assemble all relevant information. Text variants have never been easier. • Export HTML exactly as shown in the preview, or customize the format, style, and appearance individually. WORK ON THE GO • Need to work on the go? No problem. adoc Studio delivers full functionality on Mac, iPad, and iPhone. • Even on small screens, the interface stays clear and comfortable. • Create, revise, and export your documents wherever you are. • Cloud sync keeps everyone up to date at all times. • Not a fan of the cloud? Since AsciiDoc is plain text, you can manage your project with Git. TRIAL AND PRO SUBSCRIPTION • Try adoc Studio Pro free for 14 days – no strings attached. • Then start a monthly or annual subscription. • Every subscription automatically covers Mac, iPad, and iPhone. PRO EDITION FEATURES • Automate recurring exports easily with products. • Export your entire project as a complete website – with sidebar navigation, search, and language switcher. • Create projects with multiple languages. • Translate entire sections or documents with AI-powered translation. • Select text and let the AI improve, shorten, rephrase, or proofread it. • Generate fully accessible PDFs compliant with the PDF/UA standard for screen readers and assistive technologies. • Count characters, words, and paragraphs – with or without spaces or markup. WHO IS IT FOR? • Technical writers and documentarians • Developers and programmers • Bloggers and content creators • Authors and writers • Markdown users looking for more features Unleash your creative potential and experience the future of structured writing with adoc Studio! Privacy Policy: https://www.adoc-studio.app/legal/app-privacy Terms of Use: https://www.adoc-studio.app/legal/terms

Screenshots

Notesnook4 screens
adoc Studio4 screens

Verdict

The call

The clearest difference is rating: Notesnook at 4.7 against adoc Studio's 2.0. Notesnook also leads on monetization model (free with in-app purchases vs subscription) and update cadence (weekly vs every 2 months). On price, ads, in-app purchases 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. Notesnook sells 17 in-app purchases, starting at $0.99 per month and adoc Studio sells 3 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Notesnook holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Notesnook has 653 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 78% of Notesnook's written reviews are positive against 60% of adoc Studio's.

UpkeepUpdate frequency

Notesnook ships an update weekly, adoc Studio every 2 months. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

Scorecard6 real differences · 4 level
Notesnook versus adoc Studio: the parameters behind the verdict, then further details
ParameterNotesnookadoc Studio
PriceFreeFree
Rating4.7 (653 ratings) — better2.0 (4 ratings)
Positive reviews78.2% of reviews — better60.0% of reviews
Number of ratings653 — better4
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.6 — better18.5
Further details — not scored
Size89 MB108 MB
Age rating4+4+
DeveloperStreetwriters LLCProjectWizards

Customer experience

Notesnook

All ratings653 ratings
Positive93.0%
Neutral2.5%
Negative4.6%
Written reviews386 reviews
Positive78.2%
Neutral6.7%
Negative15.0%

adoc Studio

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews10 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

Bugs and requests

Notesnook

Reported bugs

3 issues
  • Crashes on launch on older iOS devices
  • Sync issues leading to data loss
  • Unreliable login and verification process

Requested features

5 requests
  • Improved search functionality
  • Reminders and calendar integration
  • Handwriting and drawing support
  • Multilingual support
  • Improved table and spreadsheet features

adoc Studio

Not enough reviews yet to summarise bugs or requests.

In-app purchases

17 purchases

Notesnook

Subscriptions17
  • Notesnook Pro$0.991 Month
  • Notesnook Essential Plan7 Days trial$1.991 Month
  • Notesnook Pro$2.491 Month
Show 14 more
  • Notesnook Pro Plan7 Days trial$2.991 Month
  • Notesnook Pro3 variants$4.491 Month
  • Notesnook Pro1 Month trial$4.491 Month
  • Notesnook Pro Plan7 Days trial$6.991 Month
  • Notesnook Believer Plan7 Days trial$8.991 Month
  • Notesnook Pro$9.991 Year
  • Notesnook Essential Plan14 Days trial$19.991 Year
  • Notesnook Pro$24.991 Year
  • Notesnook Pro Plan14 Days trial$29.901 Year
  • Notesnook Pro Yearly$49.991 Year
  • Notesnook Pro2 variants$49.991 Year
  • Notesnook Pro1 Year trial$49.991 Year
  • Notesnook Pro Plan14 Days trial$69.991 Year
  • Notesnook Believer Plan14 Days trial$89.991 Year
3 purchases

adoc Studio

Subscriptions2
  • Monthly Subscription$24.991 Month
  • Annual Subscription$249.991 Year
One-time1
  • 14-day TrialFree

Questions

Is Notesnook free?
Notesnook is free to download, with in-app purchases available.
Is adoc Studio free?
adoc Studio is free to download, with in-app purchases available.
Which has better reviews, Notesnook or adoc Studio?
Notesnook is rated higher. Notesnook averages 4.7 out of 5 from 653 ratings, while adoc Studio averages 2.0 from 4 ratings.
Do Notesnook or adoc Studio have ads?
Neither Notesnook nor adoc Studio shows ads.
Which is updated more often, Notesnook or adoc Studio?
Notesnook ships an update weekly, and adoc Studio every 2 months. Most recently, Notesnook was updated on September 26, 2026 and adoc Studio on September 18, 2026.

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