Comparison

PDF Tools vs TwilSoft

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

Head to head
About

PDF Tools

Easily organize, edit, and secure your PDF documents. Add or remove passwords, reorder or delete pages, convert images to PDF, and merge or split files. Sign and annotate documents, then share them instantly.

Highlights
  • Add/remove PDF passwords
  • Reorder and delete pages
  • Convert images to PDF
  • Export PDF pages to images
  • Sign and annotate PDFs
  • Merge and split PDF documents
  • Import/export from cloud services
Features
Read full description

PDF Tools: Sign & Edit PDF app helps you organize your documents easily and quickly. You can sign and annotate your PDF document and share it with anyone in seconds. The app offers all the editing features that you might be looking for. It simplifies your day-to-day tasks and boosts your productivity. Add Password: You can add a password to your PDF document. You can also apply print and copy restrictions to it. There are two types of passwords you can use to protect the PDF file. 1) User Password: It will lock the PDF file. So the content can only be viewed after supplying a valid password to unlock it. 2) Admin Password: It will allow you to put print and copy restrictions. Remove Password: You can remove the password from any PDF file. Please note that you must supply the existing password to unlock it. Reorder & Delete Pages: The app allows you to reorder the pages via drag and drop using thumbnails. You can also delete unwanted pages. Image to PDF: You can import multiple images and convert them to a PDF document with desired page size (i.e. A4 or Letter) and orientation (i.e. Portrait or Landscape). PDF to Images: Each page of your PDF document can be exported to an image and saved to Photo Library on your device. Signature and Annotations: You can sign a PDF document and send it straight away for review to the group. The app also allows you to add annotations and markups to any page. Merge PDFs: Multiple PDF documents can be merged easily. All you need to do is import and select the documents you want to merge. Split PDF Document: You can also split a single PDF document into multiple documents. Just specify the page range and your document will be split accordingly. Import: The app allows you to import PDF documents from your device, email, WhatsApp, or any app that supports PDFs. Export: Once you're done with editing, you can export or share the PDF document to Google Drive, Dropbox, Microsoft OneDrive, Email, SMS, or any other compatible app installed on your device. Upgrade to the premium version and use all the features without any restrictions. The premium version subscription terms are specified below: - You can purchase a monthly subscription ($1.99/month) or an annual subscription ($19.99/year). - 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 before the end of the current period. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - For more information on how to cancel a subscription, please review - https://support.apple.com/en-us/HT202039 - Privacy policy: http://www.svgapps.com/privacy-policy - Terms of use: http://www.svgapps.com/terms

About

TwilSoft

Features
Read full description

TwilSoft TwilSoft transforms your Twilio account into a complete business phone system, accessible directly from your iPhone. Make and receive calls using your Twilio numbers, manage communications, and stay connected wherever you are. Features * Make and receive calls using your Twilio phone numbers * Send and receive SMS messages with full conversation history * Manage multiple phone numbers and choose your caller ID * Access voicemail with transcription * View call history and manage contacts * Transfer calls to extensions or external phone numbers * Secure sign-in with Face ID and Touch ID Account Management TwilSoft accounts and settings are managed through the TwilSoft web portal. Your organization administrator is responsible for provisioning and managing user access.

Screenshots

PDF Tools4 screens
TwilSoft4 screens

Verdict

The call

The clearest difference is in-app purchases: TwilSoft at none against PDF Tools's 2. TwilSoft also leads on update cadence (monthly vs every 16 months). PDF Tools's advantage is iOS requirement (13.0 vs 15.1). 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. PDF Tools sells 2 in-app purchases, starting at $1.99 per month. TwilSoft asks for nothing beyond the download.

UpkeepUpdate frequency

PDF Tools ships an update every 16 months, TwilSoft monthly. The most recent releases landed on September 13, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 7 level
PDF Tools versus TwilSoft: the parameters behind the verdict, then further details
ParameterPDF ToolsTwilSoft
PriceFreeFree
Rating5.0 (11 ratings) — better
Positive reviews100.0% of reviews
Number of ratings11 — better
Update frequencyEvery 16 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size66 MB38 MB
Age rating4+4+
DeveloperSVG AppsDuck Programs Inc

In-app purchases

2 purchases

PDF Tools

Subscriptions2
  • Monthly Subscription$1.991 Month
  • Annual Subscription$19.991 Year
None

TwilSoft

No in-app purchases

Questions

Is PDF Tools free?
PDF Tools is free to download, with in-app purchases available.
Is TwilSoft free?
TwilSoft is free to download, with no in-app purchases.
Do PDF Tools or TwilSoft have ads?
Neither PDF Tools nor TwilSoft shows ads.
Which is updated more often, PDF Tools or TwilSoft?
PDF Tools ships an update every 16 months, and TwilSoft monthly. Most recently, PDF Tools was updated on September 13, 2026 and TwilSoft on September 14, 2026.

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