Comparison

PDF Notes C vs TuulsHub

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

Head to head
About

PDF Notes C

This app offers a streamlined PDF viewing experience with a 2-page display, fast page turns, and annotation tools. It also provides quick previews for various file types and a document browser for easy organization.

Highlights
  • 2-page PDF viewer
  • Fast page turns
  • Handwriting tools
  • Document browser
  • Quick file previews
  • PDF creation and assembly
Read full description

PDF Notes C is a sister app of PDF Notes S that excludes cache to reduce CPU, memory, battery usages, and cache storage. PDF Notes C gives you a 2 pages viewer with horizontal/vertical scroll, and cache for fast page turns, and thumbnail scrollbar. PDF Notes C gives you ZIP Preview, Quick Look of documents, images, music, videos, and etc. PDF Notes C gives you Document Browser so that you can organize all your files very easily. PDF Viewer - 1 page or 2 pages, horizontal or vertical fast page turns - Scroll or turn pages by tap on sides - 8 handwriting tools that you can adjust color and line width - Horizontal or vertical thumbnail scrollbar - PDF outlines, bookmarks, and annotations list - PDF search - Cache manager supports 3 modes, permanent cache, automatic cache, and no cache - PDF creation and assembly (move/rotate/insert/remove pages) Quick Look, ZIP Preview - PDF, RTF, TEXT - iWork documents, Office documents - Images, Music, PiP Videos - Without Unzip, preview ZIP contents (password may be requested if locked) Advertisements before upgrade - Banner ads can be shown at the bottom - Interstitial ads can be shown per 30 minutes Information about the auto-renewable nature of the subscription - Payment will be charged to iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. A link to privacy policy and terms of use - http://blog.musebook.com/2017/03/privacy-policy.html The length of the subscription - Monthly NOTE: All content contained herein is subject to change without notice.

About

TuulsHub

Features
Read full description

TuulsHub is a cutting-edge productivity suite engineered to streamline your workflow by integrating essential creative and organizational tools within a single, high-performance app. Designed for speed and precision, TuulsHub leverages intuitive interfaces and robust functionalities to empower users to manage digital assets, generate secure data, and create with efficiency — all without switching between multiple applications. Main Features: Palette Generator Instantly create beautiful and harmonious color palettes Copy hex color codes with a single tap Save your favorite palettes for future projects File Organizer Upload and organize media files in custom folders Quickly access your images, videos, and documents Keep your digital workspace tidy and efficient Notes Manager Write notes with rich text formatting, links, and tags Organize ideas, to-do lists, and reminders easily Search and filter notes for quick retrieval Password Generator Generate strong, customizable passwords Choose password length and character types to suit your needs Enhance your online security effortlessly QR Code Generator Convert text, URLs, and contact info into QR codes instantly Save and share QR codes easily via social media or messaging apps Simplify sharing and scanning in just a few taps In the free version, you get: 2 color palettes to brighten your projects • Jot down ideas with 3 personal notes • Organize your files with 2 storage spaces • 3 smart passwords to protect your data • 2 QR codes for quick ideas Want unlimited access? Upgrade to Premium and unlock it all! TuulsHub Subscription Subscribe to stay updated with the latest innovations in the TuulsHub. Auto-Renewal: Subscriptions renew automatically unless canceled 24 hours before the end of the current period. Manage Settings: Adjust subscriptions anytime in your Account Settings. By subscribing, you agree to our Privacy Policy and Terms of Use. Continued use signifies your acceptance. For details, visit our Privacy Policy and Terms of Use accessible via the provided links. Why Choose TuulsHub? Intuitive interface designed for speed and ease of use All essential creative and productivity tools in one app TuulsHub helps you organize, create, and manage your digital life efficiently — everything you need exactly when you need it. Privacy Policy: https://docs.google.com/document/d/1c8gwjQjLRbWgVEaQwaXP_zzz8K8hsgVQjh_8XoufHL0 Terms of Use: https://docs.google.com/document/d/1B0dy-vVZ-BJIsc8bX3OhJp3IxhLIQpqRkg28kmR9XcM

Screenshots

PDF Notes C4 screens
TuulsHub4 screens

Verdict

The call

The clearest difference is ads: TuulsHub at none against PDF Notes C's shown. TuulsHub also leads on update cadence (every 3 days vs every 6 weeks). PDF Notes C's advantage is iOS requirement (13.0 vs 16.0). On price, 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. PDF Notes C sells 1 in-app purchase, starting at $0.49 per month and TuulsHub sells 1 in-app purchase, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Notes C ships an update every 6 weeks, TuulsHub every 3 days. The most recent releases landed on November 3, 2026 and May 19, 2026 respectively.

Scorecard3 real differences · 7 level
PDF Notes C versus TuulsHub: the parameters behind the verdict, then further details
ParameterPDF Notes CTuulsHub
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeksEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size22 MB30 MB
Age rating4+4+
DeveloperAMuseTec Co., Ltd.Popistas Dorin

In-app purchases

1 purchases

PDF Notes C

Subscriptions1
  • Monthly Plan$0.491 Month
1 purchases

TuulsHub

Subscriptions1
  • Weekly$2.997 Days

Questions

Is PDF Notes C free?
PDF Notes C is free to download, with in-app purchases available.
Is TuulsHub free?
TuulsHub is free to download, with in-app purchases available.
Do PDF Notes C or TuulsHub have ads?
PDF Notes C shows ads; TuulsHub does not.
Which is updated more often, PDF Notes C or TuulsHub?
PDF Notes C ships an update every 6 weeks, and TuulsHub every 3 days. Most recently, PDF Notes C was updated on November 3, 2026 and TuulsHub on May 19, 2026.

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