RePaper Web PDF Highlighter vs KTrunk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RePaper Web PDF Highlighter
Annotate web pages, PDFs, Word, and PowerPoint documents with customizable highlights and comments. Organize your content into folders and sync across devices using iCloud. Share and export your annotated files to various cloud services and other apps.
- Highlight web pages and PDFs
- Add comments in multiple colors
- Reader View for web and PDF
- Organize content in folders
- iCloud synchronization
- Share and export annotations
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One app to highlight Web pages, PDF, Word and Powerpoint documents, synchronized to iCloud. Our users say: - "Highlight Delight" - Cat North - "Only app that highlights properly" - Sparticle - "Exactly what I was looking for" - Bren With RePaper: - Open web pages and PDF files from anywhere - Add your highlight and comments in several colors - "Reader View" like Safari but works for Web and PDF files (text only) - Organize your articles in folders - Synchronized with iCloud - Share your highlights on social media and email - Export to other apps like iBooks, DropBox, Box, Drive and Evernote
KTrunk
This note-taking app allows you to save ideas with attached files and photos. You can create links between notes and files, and synchronize your data across devices. An optional in-app purchase enables note encryption for enhanced privacy.
- Save ideas with files and photos
- Link notes to other notes and files
- Synchronize across devices via iCloud
- Notes saved in HTML format
- Optional note encryption
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Knowledge Trunk - or short KTrunk - is a note taking App. Use KTrunk to save all your ideas augmented with related files and photos. You can establish links from one note to any other note or file in KTrunk. The notes are saved in html-format and can be synchronized across your devices using iCloud. In-App-Purchases: * Privacy Allows to encrypt/decrypt your notes.
Screenshots
Verdict
The clearest difference is price: KTrunk at Free against RePaper Web PDF Highlighter's $2.99. KTrunk also leads on rating (5.0 vs 3.1) and review sentiment (50% vs 32%). RePaper Web PDF Highlighter's advantage is in-app purchases (none vs 3) and ratings volume (11 vs 2). On update cadence, 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
KTrunk is free to download; RePaper Web PDF Highlighter costs $2.99 up front. KTrunk sells 3 one-off in-app purchases. RePaper Web PDF Highlighter asks for nothing beyond the download.
KTrunk holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: RePaper Web PDF Highlighter has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 32% of RePaper Web PDF Highlighter's written reviews are positive against 50% of KTrunk's.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.
| Parameter | RePaper Web PDF Highlighter | KTrunk |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 3.1 (11 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 32.4% of reviews | 50.0% of reviews — better |
| Number of ratings | 11 — better | 2 |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 10 MB |
| Age rating | 17+ | 17+ |
| Developer | AppBlit LLC | Clemens Schuetzdeller |
Customer experience
RePaper Web PDF Highlighter
KTrunk
Bugs and requests
RePaper Web PDF Highlighter
Reported bugs
24 issues- Things don’t sync between devices if folders aren't created
- Text in reader font can’t be adjusted
- Deleting a paper seems temporary
- Tutorial video gives code 404 message
- Instruction video is missing, link broken
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- Video tutorial has been removed
- Bookmarklet doesn't work
- App will not find documents
- Won't allow highlighting on iPhone
- Force closes when extracting files
- Cannot use on PDF documents saved in iBook, PDF, and Dropbox directly
- Stubborn highlighting, difficult to adjust selection
- App shuts down after 30 seconds
- Crashes multiple times or does not highlight
- App crashes when hitting save
- Undefined is not an object error
- Doesn't work at all
- No selection made
- Says 'no selection found'
- Does not allow highlighting more than one word at a time in a PDF
- Does not allow highlighting more than one sentence at a time
- Highlights only in its own browser
- No logical segregation in library
- Takes 10 to 20 times to make one highlight
Requested features
10 requests- Cloud support
- More obvious new folder creation
- Consistent stable operation without folders
- IOS 8 extension
- Bookmarklet
Show 5 moreShow fewer
- Shortened link to highlighted article
- Comments pop up automatically
- Ability to comment on highlighting
- Dark mode option
- Advanced analytics dashboard
KTrunk
Not enough reviews yet to summarise bugs or requests.
In-app purchases
RePaper Web PDF Highlighter
No in-app purchases
KTrunk
- Operating Convenience$0.99
- Privacy$1.99
- #Tag-Proposals$1.99
Questions
Is RePaper Web PDF Highlighter free?
Is KTrunk free?
Which has better reviews, RePaper Web PDF Highlighter or KTrunk?
Do RePaper Web PDF Highlighter or KTrunk have ads?
Which is updated more often, RePaper Web PDF Highlighter or KTrunk?
Other comparisons
