Comparison

FreePDF vs ThinkSpeak

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

Head to head
About

FreePDF

This app offers a comprehensive suite of tools for managing, scanning, converting, filling, and signing PDF documents. It includes features like scanning to editable PDFs, annotation, form filling, document security, and an AI assistant. It's designed for professionals, students, and anyone needing a versatile PDF solution.

Highlights
  • Scan to editable PDFs
  • PDF annotation and editing
  • Advanced signature and form filling
  • Versatile file conversion
  • Document security with passcodes
  • AI Assistant and Writing Helper
Features
Read full description

FreePDF is the perfect app for professionals, business people, students, and anyone in need of a robust, secure, and versatile PDF tool. With its comprehensive feature set and user-friendly interface, FreePDF is your go-to app for all things PDF on iOS, iPadOS and macOS. This powerful app offers a wide range of features to manage, scan, convert, fill, sign and edit PDFs directly on your device, ensuring your files remain secure and private. Now we have added an innovative AI Assistant and Writing Helper as well! Key Features: + Scan into editable PDFs: · Scan physical documents, objects, and photos using your iOS device's camera. · Edit and annotate scanned files with a full suite of editing tools. + Intuitive PDF Annotation and Editing: · Annotate, fill, sign, and highlight PDFs with ease. · Add rich text including images, tables, lists, etc. to your PDF pages. · Fully compatible with Apple Pencil for precision and natural experience. Features include tilt and pressure sensitivity, palm rejection, and more. + Advanced Signature and Form Filling: · Sign documents with personalized or predefined signatures. · Fill in PDFs using a stylus, pencil, or finger with ease. + Write and Draw Over new blank PDFs: · Highlight, mark up, and annotate directly on your own PDFs. · Includes drawing and writing features. + Versatile File Conversion: · Convert images (PNG, TIFF, JPG, SVG, HEIF, GIF) to PDF. · Transform documents (TXT, RTF, WORD, HTML, PPT, XLS, PAGES, NUMBERS, KEY) into PDFs. · Easily convert files from Microsoft Office and Apple iWork suites to PDF. + Document Security: · Safeguard your PDFs with secure passcodes. · Keep sensitive information confidential and protected. + Anywhere Access and Sharing: · Share and send PDFs from anywhere, anytime. · Integrated sharing options include iCloud, Gmail, Mail, Google Drive, Dropbox, One Drive, Box, iMessage, and Print. + Efficient Document Management: · Organize and manage PDF files effortlessly. · User-friendly interface for handling both small and large collections. · Search and find easily your files. Get FreePDF for FREE now! Privacy Policy http://www.noteswriter.com/Kairoos_Privacy_Policy.html EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ This app requires users to have a subscription to unlock all the features after a 3-day risk-free trial.

About

ThinkSpeak

Features
Read full description

ThinkSpeak – Your Smart Communication Hub Stay connected like never before with ThinkSpeak, the ultimate communication app designed for seamless conversations. Whether it’s one-on-one chats, group discussions, or real-time collaboration, ThinkSpeak brings everything together in a secure, intuitive platform – just like your favorite Nextcloud Talk experience. Instant Messaging & Voice Calls – Chat, call, or video call effortlessly. Group Collaboration – Create groups, share media, and collaborate in real time. Secure & Private – Your conversations stay safe with end-to-end encryption. Cross-Platform – Access ThinkSpeak on mobile, tablet, and desktop. User-Friendly Interface – Simple, clean, and designed for productivity. ThinkSpeak – Talk, Share, Collaborate. All in one place.

Screenshots

FreePDF4 screens
ThinkSpeak4 screens

Verdict

The call

The clearest difference is in-app purchases: ThinkSpeak at none against FreePDF's 2. ThinkSpeak also leads on iOS requirement (16.0 vs 26.0). On price, 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. FreePDF sells 2 in-app purchases, starting at $2.99 per month. ThinkSpeak asks for nothing beyond the download.

Scorecard2 real differences · 8 level
FreePDF versus ThinkSpeak: the parameters behind the verdict, then further details
ParameterFreePDFThinkSpeak
PriceFreeFree
Rating1.8 (5 ratings) — better—
Positive reviews11.1% of reviews—
Number of ratings5 — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.016.0 — better
Further details — not scored
Size417 MB104 MB
Age rating4+4+
DeveloperKairoos Solutions SLTHINKSYNQ SOLUTIONS PRIVATE LIMITED

In-app purchases

2 purchases

FreePDF

Subscriptions1
  • FreePDF Unlock All Features3 Days trial$2.991 Month
One-time1
  • FreePDF Lifetime Pro Unlock$3.99
None

ThinkSpeak

No in-app purchases

Questions

Is FreePDF free?
FreePDF is free to download, with in-app purchases available.
Is ThinkSpeak free?
ThinkSpeak is free to download, with no in-app purchases.
Do FreePDF or ThinkSpeak have ads?
Neither FreePDF nor ThinkSpeak shows ads.

Other comparisons