Comparison

StrataRead vs Note Fold

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

Head to head
About

StrataRead

Features
Read full description

StrataRead is a research library and PDF reader for people who read closely, collect evidence, and write with sources. Bring your papers, books, and reports into an organized workspace. Search your library, highlight important passages, capture notes, and carry your research into your writing without losing its connection to the original source. READ AND ANNOTATE • Read PDFs with native rendering, zooming, and navigation. • Highlight passages with color-coded annotations. • Attach notes to the text you are reading. • Review source information, notes, and extracts in the Inspector. FIND INFORMATION ACROSS YOUR LIBRARY • Search indexed PDF text as well as bibliographic metadata. • Narrow searches by fields such as author, title, and year. • Use quoted phrases and search-field autocomplete. • Filter notes and extracts to focus on passages matching your search. • Find and open sources through Spotlight and supported Siri and Shortcuts actions. KEEP YOUR RESEARCH ORGANIZED • Browse your sources in Library and return to recent reading. • Organize sources with projects, keywords, and reading status. • Explore projects, keywords, and source groups through the Library Map. • On iPad, sort table columns and preview notes and extracts without opening each PDF. • On iPhone, use a streamlined reading workspace with essential controls within reach. CAPTURE AND REUSE YOUR NOTES • Collect highlighted text and notes as source-linked extracts. • Clean up common PDF text issues, including broken lines and hyphenation. • Export notes and extracts as structured Markdown with citation information. • Create a separate Markdown file for each source. • Bring your research into StrataWrite, Obsidian, and other writing or knowledge-management tools. BUILD BETTER REFERENCES • Find bibliographic information using DOI, title, author, or ISBN. • Manage details for journal articles, books, edited volumes, chapters, theses, dissertations, reports, and webpages. • Copy formatted citations in supported styles, including APA and Chicago. • Identify records with missing metadata and PDFs needing attention. • Find open-access replacement PDFs when available. KEEP YOUR LIBRARY WITH YOU • Synchronize library records, notes, and PDFs through iCloud. • Keep downloaded PDFs available for offline reading. • Share PDFs and export your notes when it is time to collaborate or write. PRIVACY AND CONTROL Your PDFs and notes remain in your library, with iCloud synchronization available across your devices. Full-text search indexes stay on your device. Metadata lookups use online bibliographic services. StrataRead contains no advertising, tracking, or developer analytics. Privacy & AI settings explain how the app handles your information. Built for researchers, students, educators, and anyone who wants to turn careful reading into useful, well-organized knowledge.

About

Note Fold

Features
Read full description

Note Fold is a powerful note-taking app for students, professionals, and lifelong learners who need more than a flat list. Create nested folders, write with rich text formatting, embed photos and videos, and tag notes for instant cross-referencing. • Unlimited Folder Structure • Rich Text Editor • Embed Photos, Videos & Links • Smart Tagging System • Search Everything • Works Offline, No Account Required • Archive & Restore • Import & Export Your Library • Customize Your Workspace UNLIMITED FOLDER STRUCTURE Organize notes in folders within folders. Drag and drop to rearrange instantly. Color-code folders and notes to find what you need at a glance. Perfect for coursework, research projects, creative writing, or building your personal knowledge base. RICH TEXT EDITOR Write beautifully formatted notes with bold, italic, headings, bullet points, numbered lists, blockquotes, and inline code. No markdown syntax required, just tap and type. EMBED PHOTOS, VIDEOS & LINKS Insert images from your camera roll or capture new photos Embed videos directly from your device Paste YouTube links for inline video playback Add web links with automatic preview cards SMART TAGGING SYSTEM Create color-coded tags and apply multiple tags to any note. Browse all notes by tag to find related content across your entire folder structure, perfect for connecting ideas across subjects. SEARCH EVERYTHING Find any note instantly. Search results show the full folder path so you can jump directly to what you need. WORKS OFFLINE, NO ACCOUNT REQUIRED Your notes are stored locally on your device. Write and organize without internet. No sign-up, no cloud. Your data stays on your device. ARCHIVE & RESTORE No accidental deletion. Archived notes are kept safe until you restore or permanently remove them. IMPORT & EXPORT YOUR LIBRARY Back up everything or share individual folders. The .notefold format preserves your complete structure including notes, folders, and tags. CUSTOMIZE YOUR WORKSPACE Light and dark themes Adjustable text sizes Custom colors for folders, notes, and tags NOTE FOLD PRO Unlock the complete experience: • Unlimited folder nesting depth • Embed photos, videos, and YouTube • Rich link preview cards • Import & export functionality • Ad-free note-taking Available as monthly, yearly, or lifetime purchase. Download Note Fold today and organize your notes the way your mind actually works. Privacy Policy: https://barrelofsunshine.com/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

StrataRead4 screens
Note Fold4 screens

Verdict

The call

The clearest difference is price: Note Fold at Free against StrataRead's $9.99. Note Fold also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 26.0). StrataRead's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support 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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Note Fold is free to download; StrataRead costs $9.99 up front. Note Fold sells 3 in-app purchases, starting at $1.99 per month. StrataRead asks for nothing beyond the download.

UpkeepUpdate frequency

StrataRead ships an update every 3 weeks, Note Fold every 3 days. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

Scorecard5 real differences Ā· 1 level
StrataRead versus Note Fold: the parameters behind the verdict, then further details
ParameterStrataReadNote Fold
Price$9.99Free — better
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS26.013.0 — better
Further details — not scored
Size22 MB62 MB
Age rating4+4+
DeveloperStance HurstBarrel of Sunshine

In-app purchases

None

StrataRead

No in-app purchases

3 purchases

Note Fold

Subscriptions2
  • Monthly - Note Fold Pro$1.991 Month
  • Annual - Note Fold Pro$9.991 Year
One-time1
  • Lifetime - Note Fold Pro$24.99

Questions

Is StrataRead free?
StrataRead costs $9.99, with no in-app purchases.
Is Note Fold free?
Note Fold is free to download, with in-app purchases available.
Do StrataRead or Note Fold have ads?
Note Fold shows ads; StrataRead does not.
Which is updated more often, StrataRead or Note Fold?
StrataRead ships an update every 3 weeks, and Note Fold every 3 days. Most recently, StrataRead was updated on October 12, 2026 and Note Fold on October 2, 2026.

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