KTrunk vs pastack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
pastack
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this app is a document creation support app. For example, when you create a text on a Mac or iPad linked to iCloud, you can tap a cell from the list of clip data saved in this app and paste the clip data by patching and pasting the cell to create a text or document. Also, to save data in this app, you can copy it on the iphone or other apple device you are using. Other features include the following - Tag Pasting Multiple tags can be set for a single clip of data. - Bookmarking Save URLs and view them in an external or built-in browser. - Search function Search clips by tags and search history (with favorites). - Auto-tagging function Specify your favorite tags in advance, and the tags will be automatically pasted when you register clip data. - Importing and Exporting clip data Save clip data as a file externally, and import clip data from other applications via the "Share" function. - Transforming Clip data can be freely converted by coding (javascript). See the instructions below for more information. ## Pastack Officeal Guidebook ## https://kwrsin.github.io/pastack/
Screenshots
Verdict
The clearest difference is in-app purchases: pastack at none against KTrunk's 3. pastack also leads on update cadence (every 10 days vs monthly) and iOS requirement (15.0 vs 18.0). KTrunk's advantage is ads (none vs shown). On price 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
Both are free to download. KTrunk sells 3 one-off in-app purchases. pastack asks for nothing beyond the download.
KTrunk ships an update monthly, pastack every 10 days. The most recent releases landed on June 4, 2026 and September 14, 2026 respectively.
| Parameter | KTrunk | pastack |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Monthly | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 10 MB |
| Age rating | 17+ | 4+ |
| Developer | Clemens Schuetzdeller | shintarou kawara |
In-app purchases
KTrunk
- Operating Convenience$0.99
- Privacy$1.99
- #Tag-Proposals$1.99
pastack
No in-app purchases









