KTrunk vs Cardnote.io
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
Read full descriptionHide full description
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.
Cardnote.io
Read full descriptionHide full description
Save handy information and copy & paste by a single tap. Card is saved in the cloud, and it can be used in multiple devices! (Web version is being prepared)
Screenshots
Verdict
The clearest difference is in-app purchases: Cardnote.io at none against KTrunk's 3. Cardnote.io also leads on iOS requirement (16.4 vs 18.0). KTrunk's advantage is update cadence (monthly vs every 3 months). 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
Both are free to download. KTrunk sells 3 one-off in-app purchases. Cardnote.io asks for nothing beyond the download.
KTrunk ships an update monthly, Cardnote.io every 3 months. The most recent releases landed on October 14, 2026 and October 27, 2026 respectively.
| Parameter | KTrunk | Cardnote.io |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 10 MB | 9 MB |
| Age rating | 17+ | 17+ |
| Developer | Clemens Schuetzdeller | Wonseon Yu |
In-app purchases
KTrunk
- Operating Convenience$0.99
- Privacy$1.99
- #Tag-Proposals$1.99
Cardnote.io
No in-app purchases
